upgrade xorm packages to latest versions

vendor/github.com/go-xorm/builder/builder.go

@@ -4,6 +4,12 @@
 
 package builder
 
+import (
+	sql2 "database/sql"
+	"fmt"
+	"sort"
+)
+
 type optype byte
 
 const (
@@ -12,6 +18,15 @@ const (
 	insertType               // insert
 	updateType               // update
 	deleteType               // delete
+	unionType                // union
+)
+
+const (
+	POSTGRES = "postgres"
+	SQLITE   = "sqlite3"
+	MYSQL    = "mysql"
+	MSSQL    = "mssql"
+	ORACLE   = "oracle"
 )
 
 type join struct {
@@ -20,60 +35,115 @@ type join struct {
 	joinCond  Cond
 }
 
+type union struct {
+	unionType string
+	builder   *Builder
+}
+
+type limit struct {
+	limitN int
+	offset int
+}
+
 // Builder describes a SQL statement
 type Builder struct {
 	optype
-	tableName string
-	cond      Cond
-	selects   []string
-	joins     []join
-	inserts   Eq
-	updates   []Eq
+	dialect    string
+	isNested   bool
+	into       string
+	from       string
+	subQuery   *Builder
+	cond       Cond
+	selects    []string
+	joins      []join
+	unions     []union
+	limitation *limit
+	insertCols []string
+	insertVals []interface{}
+	updates    []Eq
+	orderBy    string
+	groupBy    string
+	having     string
 }
 
-// Select creates a select Builder
-func Select(cols ...string) *Builder {
-	builder := &Builder{cond: NewCond()}
-	return builder.Select(cols...)
+// Dialect sets the db dialect of Builder.
+func Dialect(dialect string) *Builder {
+	builder := &Builder{cond: NewCond(), dialect: dialect}
+	return builder
 }
 
-// Insert creates an insert Builder
-func Insert(eq Eq) *Builder {
-	builder := &Builder{cond: NewCond()}
-	return builder.Insert(eq)
+// MySQL is shortcut of Dialect(MySQL)
+func MySQL() *Builder {
+	return Dialect(MYSQL)
 }
 
-// Update creates an update Builder
-func Update(updates ...Eq) *Builder {
-	builder := &Builder{cond: NewCond()}
-	return builder.Update(updates...)
+// MsSQL is shortcut of Dialect(MsSQL)
+func MsSQL() *Builder {
+	return Dialect(MSSQL)
 }
 
-// Delete creates a delete Builder
-func Delete(conds ...Cond) *Builder {
-	builder := &Builder{cond: NewCond()}
-	return builder.Delete(conds...)
+// Oracle is shortcut of Dialect(Oracle)
+func Oracle() *Builder {
+	return Dialect(ORACLE)
+}
+
+// Postgres is shortcut of Dialect(Postgres)
+func Postgres() *Builder {
+	return Dialect(POSTGRES)
+}
+
+// SQLite is shortcut of Dialect(SQLITE)
+func SQLite() *Builder {
+	return Dialect(SQLITE)
 }
 
 // Where sets where SQL
 func (b *Builder) Where(cond Cond) *Builder {
-	b.cond = b.cond.And(cond)
+	if b.cond.IsValid() {
+		b.cond = b.cond.And(cond)
+	} else {
+		b.cond = cond
+	}
 	return b
 }
 
-// From sets the table name
-func (b *Builder) From(tableName string) *Builder {
-	b.tableName = tableName
+// From sets from subject(can be a table name in string or a builder pointer) and its alias
+func (b *Builder) From(subject interface{}, alias ...string) *Builder {
+	switch subject.(type) {
+	case *Builder:
+		b.subQuery = subject.(*Builder)
+
+		if len(alias) > 0 {
+			b.from = alias[0]
+		} else {
+			b.isNested = true
+		}
+	case string:
+		b.from = subject.(string)
+
+		if len(alias) > 0 {
+			b.from = b.from + " " + alias[0]
+		}
+	}
+
 	return b
 }
 
+// TableName returns the table name
+func (b *Builder) TableName() string {
+	if b.optype == insertType {
+		return b.into
+	}
+	return b.from
+}
+
 // Into sets insert table name
 func (b *Builder) Into(tableName string) *Builder {
-	b.tableName = tableName
+	b.into = tableName
 	return b
 }
 
-// Join sets join table and contions
+// Join sets join table and conditions
 func (b *Builder) Join(joinType, joinTable string, joinCond interface{}) *Builder {
 	switch joinCond.(type) {
 	case Cond:
@@ -85,6 +155,50 @@ func (b *Builder) Join(joinType, joinTable string, joinCond interface{}) *Builde
 	return b
 }
 
+// Union sets union conditions
+func (b *Builder) Union(unionTp string, unionCond *Builder) *Builder {
+	var builder *Builder
+	if b.optype != unionType {
+		builder = &Builder{cond: NewCond()}
+		builder.optype = unionType
+		builder.dialect = b.dialect
+		builder.selects = b.selects
+
+		currentUnions := b.unions
+		// erase sub unions (actually append to new Builder.unions)
+		b.unions = nil
+
+		for e := range currentUnions {
+			currentUnions[e].builder.dialect = b.dialect
+		}
+
+		builder.unions = append(append(builder.unions, union{"", b}), currentUnions...)
+	} else {
+		builder = b
+	}
+
+	if unionCond != nil {
+		if unionCond.dialect == "" && builder.dialect != "" {
+			unionCond.dialect = builder.dialect
+		}
+
+		builder.unions = append(builder.unions, union{unionTp, unionCond})
+	}
+
+	return builder
+}
+
+// Limit sets limitN condition
+func (b *Builder) Limit(limitN int, offset ...int) *Builder {
+	b.limitation = &limit{limitN: limitN}
+
+	if len(offset) > 0 {
+		b.limitation.offset = offset[0]
+	}
+
+	return b
+}
+
 // InnerJoin sets inner join
 func (b *Builder) InnerJoin(joinTable string, joinCond interface{}) *Builder {
 	return b.Join("INNER", joinTable, joinCond)
@@ -113,7 +227,9 @@ func (b *Builder) FullJoin(joinTable string, joinCond interface{}) *Builder {
 // Select sets select SQL
 func (b *Builder) Select(cols ...string) *Builder {
 	b.selects = cols
-	b.optype = selectType
+	if b.optype == condType {
+		b.optype = selectType
+	}
 	return b
 }
 
@@ -129,16 +245,70 @@ func (b *Builder) Or(cond Cond) *Builder {
 	return b
 }
 
+type insertColsSorter struct {
+	cols []string
+	vals []interface{}
+}
+
+func (s insertColsSorter) Len() int {
+	return len(s.cols)
+}
+func (s insertColsSorter) Swap(i, j int) {
+	s.cols[i], s.cols[j] = s.cols[j], s.cols[i]
+	s.vals[i], s.vals[j] = s.vals[j], s.vals[i]
+}
+
+func (s insertColsSorter) Less(i, j int) bool {
+	return s.cols[i] < s.cols[j]
+}
+
 // Insert sets insert SQL
-func (b *Builder) Insert(eq Eq) *Builder {
-	b.inserts = eq
+func (b *Builder) Insert(eq ...interface{}) *Builder {
+	if len(eq) > 0 {
+		var paramType = -1
+		for _, e := range eq {
+			switch t := e.(type) {
+			case Eq:
+				if paramType == -1 {
+					paramType = 0
+				}
+				if paramType != 0 {
+					break
+				}
+				for k, v := range t {
+					b.insertCols = append(b.insertCols, k)
+					b.insertVals = append(b.insertVals, v)
+				}
+			case string:
+				if paramType == -1 {
+					paramType = 1
+				}
+				if paramType != 1 {
+					break
+				}
+				b.insertCols = append(b.insertCols, t)
+			}
+		}
+	}
+
+	if len(b.insertCols) == len(b.insertVals) {
+		sort.Sort(insertColsSorter{
+			cols: b.insertCols,
+			vals: b.insertVals,
+		})
+	}
 	b.optype = insertType
 	return b
 }
 
 // Update sets update SQL
 func (b *Builder) Update(updates ...Eq) *Builder {
-	b.updates = updates
+	b.updates = make([]Eq, 0, len(updates))
+	for _, update := range updates {
+		if update.IsValid() {
+			b.updates = append(b.updates, update)
+		}
+	}
 	b.optype = updateType
 	return b
 }
@@ -153,8 +323,8 @@ func (b *Builder) Delete(conds ...Cond) *Builder {
 // WriteTo implements Writer interface
 func (b *Builder) WriteTo(w Writer) error {
 	switch b.optype {
-	case condType:
-		return b.cond.WriteTo(w)
+	/*case condType:
+	return b.cond.WriteTo(w)*/
 	case selectType:
 		return b.selectWriteTo(w)
 	case insertType:
@@ -163,6 +333,8 @@ func (b *Builder) WriteTo(w Writer) error {
 		return b.updateWriteTo(w)
 	case deleteType:
 		return b.deleteWriteTo(w)
+	case unionType:
+		return b.unionWriteTo(w)
 	}
 
 	return ErrNotSupportType
@@ -175,16 +347,48 @@ func (b *Builder) ToSQL() (string, []interface{}, error) {
 		return "", nil, err
 	}
 
-	return w.writer.String(), w.args, nil
+	// in case of sql.NamedArg in args
+	for e := range w.args {
+		if namedArg, ok := w.args[e].(sql2.NamedArg); ok {
+			w.args[e] = namedArg.Value
+		}
+	}
+
+	var sql = w.writer.String()
+	var err error
+
+	switch b.dialect {
+	case ORACLE, MSSQL:
+		// This is for compatibility with different sql drivers
+		for e := range w.args {
+			w.args[e] = sql2.Named(fmt.Sprintf("p%d", e+1), w.args[e])
+		}
+
+		var prefix string
+		if b.dialect == ORACLE {
+			prefix = ":p"
+		} else {
+			prefix = "@p"
+		}
+
+		if sql, err = ConvertPlaceholder(sql, prefix); err != nil {
+			return "", nil, err
+		}
+	case POSTGRES:
+		if sql, err = ConvertPlaceholder(sql, "$"); err != nil {
+			return "", nil, err
+		}
+	}
+
+	return sql, w.args, nil
 }
 
-// ToSQL convert a builder or condtions to SQL and args
-func ToSQL(cond interface{}) (string, []interface{}, error) {
-	switch cond.(type) {
-	case Cond:
-		return condToSQL(cond.(Cond))
-	case *Builder:
-		return cond.(*Builder).ToSQL()
+// ToBoundSQL
+func (b *Builder) ToBoundSQL() (string, error) {
+	w := NewWriter()
+	if err := b.WriteTo(w); err != nil {
+		return "", err
 	}
-	return "", nil, ErrNotSupportType
+
+	return ConvertToBoundSQL(w.writer.String(), w.args)
 }

vendor/github.com/go-xorm/builder/builder_delete.go

@@ -5,16 +5,21 @@
 package builder
 
 import (
-	"errors"
 	"fmt"
 )
 
+// Delete creates a delete Builder
+func Delete(conds ...Cond) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Delete(conds...)
+}
+
 func (b *Builder) deleteWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
-		return errors.New("no table indicated")
+	if len(b.from) <= 0 {
+		return ErrNoTableName
 	}
 
-	if _, err := fmt.Fprintf(w, "DELETE FROM %s WHERE ", b.tableName); err != nil {
+	if _, err := fmt.Fprintf(w, "DELETE FROM %s WHERE ", b.from); err != nil {
 		return err
 	}
 

vendor/github.com/go-xorm/builder/builder_insert.go

@@ -6,39 +6,63 @@ package builder
 
 import (
 	"bytes"
-	"errors"
 	"fmt"
 )
 
-func (b *Builder) insertWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
-		return errors.New("no table indicated")
-	}
-	if len(b.inserts) <= 0 {
-		return errors.New("no column to be insert")
+// Insert creates an insert Builder
+func Insert(eq ...interface{}) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Insert(eq...)
+}
+
+func (b *Builder) insertSelectWriteTo(w Writer) error {
+	if _, err := fmt.Fprintf(w, "INSERT INTO %s ", b.into); err != nil {
+		return err
 	}
 
-	if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.tableName); err != nil {
+	if len(b.insertCols) > 0 {
+		fmt.Fprintf(w, "(")
+		for _, col := range b.insertCols {
+			fmt.Fprintf(w, col)
+		}
+		fmt.Fprintf(w, ") ")
+	}
+
+	return b.selectWriteTo(w)
+}
+
+func (b *Builder) insertWriteTo(w Writer) error {
+	if len(b.into) <= 0 {
+		return ErrNoTableName
+	}
+	if len(b.insertCols) <= 0 && b.from == "" {
+		return ErrNoColumnToInsert
+	}
+
+	if b.into != "" && b.from != "" {
+		return b.insertSelectWriteTo(w)
+	}
+
+	if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.into); err != nil {
 		return err
 	}
 
 	var args = make([]interface{}, 0)
 	var bs []byte
 	var valBuffer = bytes.NewBuffer(bs)
-	var i = 0
 
-	for _, col := range b.inserts.sortedKeys() {
-		value := b.inserts[col]
+	for i, col := range b.insertCols {
+		value := b.insertVals[i]
 		fmt.Fprint(w, col)
 		if e, ok := value.(expr); ok {
-			fmt.Fprint(valBuffer, e.sql)
+			fmt.Fprintf(valBuffer, "(%s)", e.sql)
 			args = append(args, e.args...)
 		} else {
 			fmt.Fprint(valBuffer, "?")
 			args = append(args, value)
 		}
 
-		if i != len(b.inserts)-1 {
+		if i != len(b.insertCols)-1 {
 			if _, err := fmt.Fprint(w, ","); err != nil {
 				return err
 			}
@@ -46,7 +70,6 @@ func (b *Builder) insertWriteTo(w Writer) error {
 				return err
 			}
 		}
-		i = i + 1
 	}
 
 	if _, err := fmt.Fprint(w, ") Values ("); err != nil {

vendor/github.com/go-xorm/builder/builder_limit.go

@@ -0,0 +1,100 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package builder
+
+import (
+	"fmt"
+	"strings"
+)
+
+func (b *Builder) limitWriteTo(w Writer) error {
+	if strings.TrimSpace(b.dialect) == "" {
+		return ErrDialectNotSetUp
+	}
+
+	if b.limitation != nil {
+		limit := b.limitation
+		if limit.offset < 0 || limit.limitN <= 0 {
+			return ErrInvalidLimitation
+		}
+		// erase limit condition
+		b.limitation = nil
+		ow := w.(*BytesWriter)
+
+		switch strings.ToLower(strings.TrimSpace(b.dialect)) {
+		case ORACLE:
+			if len(b.selects) == 0 {
+				b.selects = append(b.selects, "*")
+			}
+
+			var final *Builder
+			selects := b.selects
+			b.selects = append(selects, "ROWNUM RN")
+
+			var wb *Builder
+			if b.optype == unionType {
+				wb = Dialect(b.dialect).Select("at.*", "ROWNUM RN").
+					From(b, "at")
+			} else {
+				wb = b
+			}
+
+			if limit.offset == 0 {
+				final = Dialect(b.dialect).Select(selects...).From(wb, "at").
+					Where(Lte{"at.RN": limit.limitN})
+			} else {
+				sub := Dialect(b.dialect).Select("*").
+					From(b, "at").Where(Lte{"at.RN": limit.offset + limit.limitN})
+
+				final = Dialect(b.dialect).Select(selects...).From(sub, "att").
+					Where(Gt{"att.RN": limit.offset})
+			}
+
+			return final.WriteTo(ow)
+		case SQLITE, MYSQL, POSTGRES:
+			// if type UNION, we need to write previous content back to current writer
+			if b.optype == unionType {
+				if err := b.WriteTo(ow); err != nil {
+					return err
+				}
+			}
+
+			if limit.offset == 0 {
+				fmt.Fprint(ow, " LIMIT ", limit.limitN)
+			} else {
+				fmt.Fprintf(ow, " LIMIT %v OFFSET %v", limit.limitN, limit.offset)
+			}
+		case MSSQL:
+			if len(b.selects) == 0 {
+				b.selects = append(b.selects, "*")
+			}
+
+			var final *Builder
+			selects := b.selects
+			b.selects = append(append([]string{fmt.Sprintf("TOP %d %v", limit.limitN+limit.offset, b.selects[0])},
+				b.selects[1:]...), "ROW_NUMBER() OVER (ORDER BY (SELECT 1)) AS RN")
+
+			var wb *Builder
+			if b.optype == unionType {
+				wb = Dialect(b.dialect).Select("*", "ROW_NUMBER() OVER (ORDER BY (SELECT 1)) AS RN").
+					From(b, "at")
+			} else {
+				wb = b
+			}
+
+			if limit.offset == 0 {
+				final = Dialect(b.dialect).Select(selects...).From(wb, "at")
+			} else {
+				final = Dialect(b.dialect).Select(selects...).From(wb, "at").Where(Gt{"at.RN": limit.offset})
+			}
+
+			return final.WriteTo(ow)
+		default:
+			return ErrNotSupportType
+		}
+	}
+
+	return nil
+}

vendor/github.com/go-xorm/builder/builder_select.go

@@ -5,13 +5,24 @@
 package builder
 
 import (
-	"errors"
 	"fmt"
 )
 
+// Select creates a select Builder
+func Select(cols ...string) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Select(cols...)
+}
+
 func (b *Builder) selectWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
-		return errors.New("no table indicated")
+	if len(b.from) <= 0 && !b.isNested {
+		return ErrNoTableName
+	}
+
+	// perform limit before writing to writer when b.dialect between ORACLE and MSSQL
+	// this avoid a duplicate writing problem in simple limit query
+	if b.limitation != nil && (b.dialect == ORACLE || b.dialect == MSSQL) {
+		return b.limitWriteTo(w)
 	}
 
 	if _, err := fmt.Fprint(w, "SELECT "); err != nil {
@@ -34,24 +45,101 @@ func (b *Builder) selectWriteTo(w Writer) error {
 		}
 	}
 
-	if _, err := fmt.Fprintf(w, " FROM %s", b.tableName); err != nil {
-		return err
+	if b.subQuery == nil {
+		if _, err := fmt.Fprint(w, " FROM ", b.from); err != nil {
+			return err
+		}
+	} else {
+		if b.cond.IsValid() && len(b.from) <= 0 {
+			return ErrUnnamedDerivedTable
+		}
+		if b.subQuery.dialect != "" && b.dialect != b.subQuery.dialect {
+			return ErrInconsistentDialect
+		}
+
+		// dialect of sub-query will inherit from the main one (if not set up)
+		if b.dialect != "" && b.subQuery.dialect == "" {
+			b.subQuery.dialect = b.dialect
+		}
+
+		switch b.subQuery.optype {
+		case selectType, unionType:
+			fmt.Fprint(w, " FROM (")
+			if err := b.subQuery.WriteTo(w); err != nil {
+				return err
+			}
+
+			if len(b.from) == 0 {
+				fmt.Fprintf(w, ")")
+			} else {
+				fmt.Fprintf(w, ") %v", b.from)
+			}
+		default:
+			return ErrUnexpectedSubQuery
+		}
 	}
 
 	for _, v := range b.joins {
-		fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable)
+		if _, err := fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable); err != nil {
+			return err
+		}
+
 		if err := v.joinCond.WriteTo(w); err != nil {
 			return err
 		}
 	}
 
-	if !b.cond.IsValid() {
-		return nil
+	if b.cond.IsValid() {
+		if _, err := fmt.Fprint(w, " WHERE "); err != nil {
+			return err
+		}
+
+		if err := b.cond.WriteTo(w); err != nil {
+			return err
+		}
 	}
 
-	if _, err := fmt.Fprint(w, " WHERE "); err != nil {
-		return err
+	if len(b.groupBy) > 0 {
+		if _, err := fmt.Fprint(w, " GROUP BY ", b.groupBy); err != nil {
+			return err
+		}
 	}
 
-	return b.cond.WriteTo(w)
+	if len(b.having) > 0 {
+		if _, err := fmt.Fprint(w, " HAVING ", b.having); err != nil {
+			return err
+		}
+	}
+
+	if len(b.orderBy) > 0 {
+		if _, err := fmt.Fprint(w, " ORDER BY ", b.orderBy); err != nil {
+			return err
+		}
+	}
+
+	if b.limitation != nil {
+		if err := b.limitWriteTo(w); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// OrderBy orderBy SQL
+func (b *Builder) OrderBy(orderBy string) *Builder {
+	b.orderBy = orderBy
+	return b
+}
+
+// GroupBy groupby SQL
+func (b *Builder) GroupBy(groupby string) *Builder {
+	b.groupBy = groupby
+	return b
+}
+
+// Having having SQL
+func (b *Builder) Having(having string) *Builder {
+	b.having = having
+	return b
 }

vendor/github.com/go-xorm/builder/builder_union.go

@@ -0,0 +1,47 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package builder
+
+import (
+	"fmt"
+	"strings"
+)
+
+func (b *Builder) unionWriteTo(w Writer) error {
+	if b.limitation != nil || b.cond.IsValid() ||
+		b.orderBy != "" || b.having != "" || b.groupBy != "" {
+		return ErrNotUnexpectedUnionConditions
+	}
+
+	for idx, u := range b.unions {
+		current := u.builder
+		if current.optype != selectType {
+			return ErrUnsupportedUnionMembers
+		}
+
+		if len(b.unions) == 1 {
+			if err := current.selectWriteTo(w); err != nil {
+				return err
+			}
+		} else {
+			if b.dialect != "" && b.dialect != current.dialect {
+				return ErrInconsistentDialect
+			}
+
+			if idx != 0 {
+				fmt.Fprint(w, fmt.Sprintf(" UNION %v ", strings.ToUpper(u.unionType)))
+			}
+			fmt.Fprint(w, "(")
+
+			if err := current.selectWriteTo(w); err != nil {
+				return err
+			}
+
+			fmt.Fprint(w, ")")
+		}
+	}
+
+	return nil
+}

vendor/github.com/go-xorm/builder/builder_update.go

@@ -5,19 +5,24 @@
 package builder
 
 import (
-	"errors"
 	"fmt"
 )
 
+// Update creates an update Builder
+func Update(updates ...Eq) *Builder {
+	builder := &Builder{cond: NewCond()}
+	return builder.Update(updates...)
+}
+
 func (b *Builder) updateWriteTo(w Writer) error {
-	if len(b.tableName) <= 0 {
-		return errors.New("no table indicated")
+	if len(b.from) <= 0 {
+		return ErrNoTableName
 	}
 	if len(b.updates) <= 0 {
-		return errors.New("no column to be update")
+		return ErrNoColumnToUpdate
 	}
 
-	if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.tableName); err != nil {
+	if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.from); err != nil {
 		return err
 	}
 

vendor/github.com/go-xorm/builder/cond.go

@@ -5,7 +5,6 @@
 package builder
 
 import (
-	"bytes"
 	"io"
 )
 
@@ -19,15 +18,15 @@ var _ Writer = NewWriter()
 
 // BytesWriter implments Writer and save SQL in bytes.Buffer
 type BytesWriter struct {
-	writer *bytes.Buffer
-	buffer []byte
+	writer *StringBuilder
 	args   []interface{}
 }
 
 // NewWriter creates a new string writer
 func NewWriter() *BytesWriter {
-	w := &BytesWriter{}
-	w.writer = bytes.NewBuffer(w.buffer)
+	w := &BytesWriter{
+		writer: &StringBuilder{},
+	}
 	return w
 }
 
@@ -73,15 +72,3 @@ func (condEmpty) Or(conds ...Cond) Cond {
 func (condEmpty) IsValid() bool {
 	return false
 }
-
-func condToSQL(cond Cond) (string, []interface{}, error) {
-	if cond == nil || !cond.IsValid() {
-		return "", nil, nil
-	}
-
-	w := NewWriter()
-	if err := cond.WriteTo(w); err != nil {
-		return "", nil, err
-	}
-	return w.writer.String(), w.args, nil
-}

vendor/github.com/go-xorm/builder/cond_between.go

@@ -17,10 +17,35 @@ var _ Cond = Between{}
 
 // WriteTo write data to Writer
 func (between Between) WriteTo(w Writer) error {
-	if _, err := fmt.Fprintf(w, "%s BETWEEN ? AND ?", between.Col); err != nil {
+	if _, err := fmt.Fprintf(w, "%s BETWEEN ", between.Col); err != nil {
 		return err
 	}
-	w.Append(between.LessVal, between.MoreVal)
+	if lv, ok := between.LessVal.(expr); ok {
+		if err := lv.WriteTo(w); err != nil {
+			return err
+		}
+	} else {
+		if _, err := fmt.Fprint(w, "?"); err != nil {
+			return err
+		}
+		w.Append(between.LessVal)
+	}
+
+	if _, err := fmt.Fprint(w, " AND "); err != nil {
+		return err
+	}
+
+	if mv, ok := between.MoreVal.(expr); ok {
+		if err := mv.WriteTo(w); err != nil {
+			return err
+		}
+	} else {
+		if _, err := fmt.Fprint(w, "?"); err != nil {
+			return err
+		}
+		w.Append(between.MoreVal)
+	}
+
 	return nil
 }
 

vendor/github.com/go-xorm/builder/cond_or.go

@@ -27,10 +27,12 @@ func (o condOr) WriteTo(w Writer) error {
 	for i, cond := range o {
 		var needQuote bool
 		switch cond.(type) {
-		case condAnd:
+		case condAnd, expr:
 			needQuote = true
 		case Eq:
 			needQuote = (len(cond.(Eq)) > 1)
+		case Neq:
+			needQuote = (len(cond.(Neq)) > 1)
 		}
 
 		if needQuote {

vendor/github.com/go-xorm/builder/error.go

@@ -8,9 +8,33 @@ import "errors"
 
 var (
 	// ErrNotSupportType not supported SQL type error
-	ErrNotSupportType = errors.New("not supported SQL type")
+	ErrNotSupportType = errors.New("Not supported SQL type")
 	// ErrNoNotInConditions no NOT IN params error
 	ErrNoNotInConditions = errors.New("No NOT IN conditions")
 	// ErrNoInConditions no IN params error
 	ErrNoInConditions = errors.New("No IN conditions")
+	// ErrNeedMoreArguments need more arguments
+	ErrNeedMoreArguments = errors.New("Need more sql arguments")
+	// ErrNoTableName no table name
+	ErrNoTableName = errors.New("No table indicated")
+	// ErrNoColumnToInsert no column to update
+	ErrNoColumnToUpdate = errors.New("No column(s) to update")
+	// ErrNoColumnToInsert no column to update
+	ErrNoColumnToInsert = errors.New("No column(s) to insert")
+	// ErrNotSupportDialectType not supported dialect type error
+	ErrNotSupportDialectType = errors.New("Not supported dialect type")
+	// ErrNotUnexpectedUnionConditions using union in a wrong way
+	ErrNotUnexpectedUnionConditions = errors.New("Unexpected conditional fields in UNION query")
+	// ErrUnsupportedUnionMembers unexpected members in UNION query
+	ErrUnsupportedUnionMembers = errors.New("Unexpected members in UNION query")
+	// ErrUnexpectedSubQuery Unexpected sub-query in SELECT query
+	ErrUnexpectedSubQuery = errors.New("Unexpected sub-query in SELECT query")
+	// ErrDialectNotSetUp dialect is not setup yet
+	ErrDialectNotSetUp = errors.New("Dialect is not setup yet, try to use `Dialect(dbType)` at first")
+	// ErrInvalidLimitation offset or limit is not correct
+	ErrInvalidLimitation = errors.New("Offset or limit is not correct")
+	// ErrUnnamedDerivedTable Every derived table must have its own alias
+	ErrUnnamedDerivedTable = errors.New("Every derived table must have its own alias")
+	// ErrInconsistentDialect Inconsistent dialect in same builder
+	ErrInconsistentDialect = errors.New("Inconsistent dialect in same builder")
 )

vendor/github.com/go-xorm/builder/sql.go

@@ -0,0 +1,156 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package builder
+
+import (
+	sql2 "database/sql"
+	"fmt"
+	"reflect"
+	"time"
+)
+
+func condToSQL(cond Cond) (string, []interface{}, error) {
+	if cond == nil || !cond.IsValid() {
+		return "", nil, nil
+	}
+
+	w := NewWriter()
+	if err := cond.WriteTo(w); err != nil {
+		return "", nil, err
+	}
+	return w.writer.String(), w.args, nil
+}
+
+func condToBoundSQL(cond Cond) (string, error) {
+	if cond == nil || !cond.IsValid() {
+		return "", nil
+	}
+
+	w := NewWriter()
+	if err := cond.WriteTo(w); err != nil {
+		return "", err
+	}
+	return ConvertToBoundSQL(w.writer.String(), w.args)
+}
+
+// ToSQL convert a builder or conditions to SQL and args
+func ToSQL(cond interface{}) (string, []interface{}, error) {
+	switch cond.(type) {
+	case Cond:
+		return condToSQL(cond.(Cond))
+	case *Builder:
+		return cond.(*Builder).ToSQL()
+	}
+	return "", nil, ErrNotSupportType
+}
+
+// ToBoundSQL convert a builder or conditions to parameters bound SQL
+func ToBoundSQL(cond interface{}) (string, error) {
+	switch cond.(type) {
+	case Cond:
+		return condToBoundSQL(cond.(Cond))
+	case *Builder:
+		return cond.(*Builder).ToBoundSQL()
+	}
+	return "", ErrNotSupportType
+}
+
+func noSQLQuoteNeeded(a interface{}) bool {
+	switch a.(type) {
+	case int, int8, int16, int32, int64:
+		return true
+	case uint, uint8, uint16, uint32, uint64:
+		return true
+	case float32, float64:
+		return true
+	case bool:
+		return true
+	case string:
+		return false
+	case time.Time, *time.Time:
+		return false
+	}
+
+	t := reflect.TypeOf(a)
+	switch t.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return true
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return true
+	case reflect.Float32, reflect.Float64:
+		return true
+	case reflect.Bool:
+		return true
+	case reflect.String:
+		return false
+	}
+
+	return false
+}
+
+// ConvertToBoundSQL will convert SQL and args to a bound SQL
+func ConvertToBoundSQL(sql string, args []interface{}) (string, error) {
+	buf := StringBuilder{}
+	var i, j, start int
+	for ; i < len(sql); i++ {
+		if sql[i] == '?' {
+			_, err := buf.WriteString(sql[start:i])
+			if err != nil {
+				return "", err
+			}
+			start = i + 1
+
+			if len(args) == j {
+				return "", ErrNeedMoreArguments
+			}
+
+			arg := args[j]
+			if namedArg, ok := arg.(sql2.NamedArg); ok {
+				arg = namedArg.Value
+			}
+
+			if noSQLQuoteNeeded(arg) {
+				_, err = fmt.Fprint(&buf, arg)
+			} else {
+				_, err = fmt.Fprintf(&buf, "'%v'", arg)
+			}
+			if err != nil {
+				return "", err
+			}
+			j = j + 1
+		}
+	}
+	_, err := buf.WriteString(sql[start:])
+	if err != nil {
+		return "", err
+	}
+	return buf.String(), nil
+}
+
+// ConvertPlaceholder replaces ? to $1, $2 ... or :1, :2 ... according prefix
+func ConvertPlaceholder(sql, prefix string) (string, error) {
+	buf := StringBuilder{}
+	var i, j, start int
+	for ; i < len(sql); i++ {
+		if sql[i] == '?' {
+			if _, err := buf.WriteString(sql[start:i]); err != nil {
+				return "", err
+			}
+
+			start = i + 1
+			j = j + 1
+
+			if _, err := buf.WriteString(fmt.Sprintf("%v%d", prefix, j)); err != nil {
+				return "", err
+			}
+		}
+	}
+
+	if _, err := buf.WriteString(sql[start:]); err != nil {
+		return "", err
+	}
+
+	return buf.String(), nil
+}

vendor/github.com/go-xorm/builder/string_builder.go

@@ -0,0 +1,119 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package builder
+
+import (
+	"unicode/utf8"
+	"unsafe"
+)
+
+// A StringBuilder is used to efficiently build a string using Write methods.
+// It minimizes memory copying. The zero value is ready to use.
+// Do not copy a non-zero Builder.
+type StringBuilder struct {
+	addr *StringBuilder // of receiver, to detect copies by value
+	buf  []byte
+}
+
+// noescape hides a pointer from escape analysis.  noescape is
+// the identity function but escape analysis doesn't think the
+// output depends on the input. noescape is inlined and currently
+// compiles down to zero instructions.
+// USE CAREFULLY!
+// This was copied from the runtime; see issues 23382 and 7921.
+//go:nosplit
+func noescape(p unsafe.Pointer) unsafe.Pointer {
+	x := uintptr(p)
+	return unsafe.Pointer(x ^ 0)
+}
+
+func (b *StringBuilder) copyCheck() {
+	if b.addr == nil {
+		// This hack works around a failing of Go's escape analysis
+		// that was causing b to escape and be heap allocated.
+		// See issue 23382.
+		// TODO: once issue 7921 is fixed, this should be reverted to
+		// just "b.addr = b".
+		b.addr = (*StringBuilder)(noescape(unsafe.Pointer(b)))
+	} else if b.addr != b {
+		panic("strings: illegal use of non-zero Builder copied by value")
+	}
+}
+
+// String returns the accumulated string.
+func (b *StringBuilder) String() string {
+	return *(*string)(unsafe.Pointer(&b.buf))
+}
+
+// Len returns the number of accumulated bytes; b.Len() == len(b.String()).
+func (b *StringBuilder) Len() int { return len(b.buf) }
+
+// Reset resets the Builder to be empty.
+func (b *StringBuilder) Reset() {
+	b.addr = nil
+	b.buf = nil
+}
+
+// grow copies the buffer to a new, larger buffer so that there are at least n
+// bytes of capacity beyond len(b.buf).
+func (b *StringBuilder) grow(n int) {
+	buf := make([]byte, len(b.buf), 2*cap(b.buf)+n)
+	copy(buf, b.buf)
+	b.buf = buf
+}
+
+// Grow grows b's capacity, if necessary, to guarantee space for
+// another n bytes. After Grow(n), at least n bytes can be written to b
+// without another allocation. If n is negative, Grow panics.
+func (b *StringBuilder) Grow(n int) {
+	b.copyCheck()
+	if n < 0 {
+		panic("strings.Builder.Grow: negative count")
+	}
+	if cap(b.buf)-len(b.buf) < n {
+		b.grow(n)
+	}
+}
+
+// Write appends the contents of p to b's buffer.
+// Write always returns len(p), nil.
+func (b *StringBuilder) Write(p []byte) (int, error) {
+	b.copyCheck()
+	b.buf = append(b.buf, p...)
+	return len(p), nil
+}
+
+// WriteByte appends the byte c to b's buffer.
+// The returned error is always nil.
+func (b *StringBuilder) WriteByte(c byte) error {
+	b.copyCheck()
+	b.buf = append(b.buf, c)
+	return nil
+}
+
+// WriteRune appends the UTF-8 encoding of Unicode code point r to b's buffer.
+// It returns the length of r and a nil error.
+func (b *StringBuilder) WriteRune(r rune) (int, error) {
+	b.copyCheck()
+	if r < utf8.RuneSelf {
+		b.buf = append(b.buf, byte(r))
+		return 1, nil
+	}
+	l := len(b.buf)
+	if cap(b.buf)-l < utf8.UTFMax {
+		b.grow(utf8.UTFMax)
+	}
+	n := utf8.EncodeRune(b.buf[l:l+utf8.UTFMax], r)
+	b.buf = b.buf[:l+n]
+	return n, nil
+}
+
+// WriteString appends the contents of s to b's buffer.
+// It returns the length of s and a nil error.
+func (b *StringBuilder) WriteString(s string) (int, error) {
+	b.copyCheck()
+	b.buf = append(b.buf, s...)
+	return len(s), nil
+}

vendor/github.com/go-xorm/core/cache.go

@@ -1,11 +1,16 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
-	"errors"
-	"fmt"
-	"time"
 	"bytes"
 	"encoding/gob"
+	"errors"
+	"fmt"
+	"strings"
+	"time"
 )
 
 const (
@@ -55,11 +60,10 @@ func encodeIds(ids []PK) (string, error) {
 	return buf.String(), err
 }
 
-
 func decodeIds(s string) ([]PK, error) {
 	pks := make([]PK, 0)
 
-	dec := gob.NewDecoder(bytes.NewBufferString(s))
+	dec := gob.NewDecoder(strings.NewReader(s))
 	err := dec.Decode(&pks)
 
 	return pks, err

vendor/github.com/go-xorm/core/column.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -41,6 +45,7 @@ type Column struct {
 	Comment         string
 }
 
+// NewColumn creates a new column
 func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable bool) *Column {
 	return &Column{
 		Name:            name,
@@ -66,7 +71,7 @@ func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable
 	}
 }
 
-// generate column description string according dialect
+// String generate column description string according dialect
 func (col *Column) String(d Dialect) string {
 	sql := d.QuoteStr() + col.Name + d.QuoteStr() + " "
 
@@ -79,6 +84,10 @@ func (col *Column) String(d Dialect) string {
 		}
 	}
 
+	if col.Default != "" {
+		sql += "DEFAULT " + col.Default + " "
+	}
+
 	if d.ShowCreateNull() {
 		if col.Nullable {
 			sql += "NULL "
@@ -87,18 +96,19 @@ func (col *Column) String(d Dialect) string {
 		}
 	}
 
-	if col.Default != "" {
-		sql += "DEFAULT " + col.Default + " "
-	}
-
 	return sql
 }
 
+// StringNoPk generate column description string according dialect without primary keys
 func (col *Column) StringNoPk(d Dialect) string {
 	sql := d.QuoteStr() + col.Name + d.QuoteStr() + " "
 
 	sql += d.SqlType(col) + " "
 
+	if col.Default != "" {
+		sql += "DEFAULT " + col.Default + " "
+	}
+
 	if d.ShowCreateNull() {
 		if col.Nullable {
 			sql += "NULL "
@@ -107,19 +117,16 @@ func (col *Column) StringNoPk(d Dialect) string {
 		}
 	}
 
-	if col.Default != "" {
-		sql += "DEFAULT " + col.Default + " "
-	}
-
 	return sql
 }
 
-// return col's filed of struct's value
+// ValueOf returns column's filed of struct's value
 func (col *Column) ValueOf(bean interface{}) (*reflect.Value, error) {
 	dataStruct := reflect.Indirect(reflect.ValueOf(bean))
 	return col.ValueOfV(&dataStruct)
 }
 
+// ValueOfV returns column's filed of struct's value accept reflevt value
 func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 	var fieldValue reflect.Value
 	fieldPath := strings.Split(col.FieldName, ".")
@@ -147,12 +154,12 @@ func (col *Column) ValueOfV(dataStruct *reflect.Value) (*reflect.Value, error) {
 			}
 			fieldValue = fieldValue.Elem().FieldByName(fieldPath[i+1])
 		} else {
-			return nil, fmt.Errorf("field  %v is not valid", col.FieldName)
+			return nil, fmt.Errorf("field %v is not valid", col.FieldName)
 		}
 	}
 
 	if !fieldValue.IsValid() {
-		return nil, fmt.Errorf("field  %v is not valid", col.FieldName)
+		return nil, fmt.Errorf("field %v is not valid", col.FieldName)
 	}
 
 	return &fieldValue, nil

vendor/github.com/go-xorm/core/converstion.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 // Conversion is an interface. A type implements Conversion will according

vendor/github.com/go-xorm/core/db.go

@@ -1,12 +1,21 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
+	"context"
 	"database/sql"
 	"database/sql/driver"
-	"errors"
 	"fmt"
 	"reflect"
 	"regexp"
+	"sync"
+)
+
+var (
+	DefaultCacheSize = 200
 )
 
 func MapToSlice(query string, mp interface{}) (string, []interface{}, error) {
@@ -58,189 +67,129 @@ func StructToSlice(query string, st interface{}) (string, []interface{}, error)
 	return query, args, nil
 }
 
-type DB struct {
-	*sql.DB
-	Mapper IMapper
+type cacheStruct struct {
+	value reflect.Value
+	idx   int
 }
 
+// DB is a wrap of sql.DB with extra contents
+type DB struct {
+	*sql.DB
+	Mapper            IMapper
+	reflectCache      map[reflect.Type]*cacheStruct
+	reflectCacheMutex sync.RWMutex
+}
+
+// Open opens a database
 func Open(driverName, dataSourceName string) (*DB, error) {
 	db, err := sql.Open(driverName, dataSourceName)
 	if err != nil {
 		return nil, err
 	}
-	return &DB{db, NewCacheMapper(&SnakeMapper{})}, nil
+	return &DB{
+		DB:           db,
+		Mapper:       NewCacheMapper(&SnakeMapper{}),
+		reflectCache: make(map[reflect.Type]*cacheStruct),
+	}, nil
 }
 
+// FromDB creates a DB from a sql.DB
 func FromDB(db *sql.DB) *DB {
-	return &DB{db, NewCacheMapper(&SnakeMapper{})}
+	return &DB{
+		DB:           db,
+		Mapper:       NewCacheMapper(&SnakeMapper{}),
+		reflectCache: make(map[reflect.Type]*cacheStruct),
+	}
 }
 
-func (db *DB) Query(query string, args ...interface{}) (*Rows, error) {
-	rows, err := db.DB.Query(query, args...)
+func (db *DB) reflectNew(typ reflect.Type) reflect.Value {
+	db.reflectCacheMutex.Lock()
+	defer db.reflectCacheMutex.Unlock()
+	cs, ok := db.reflectCache[typ]
+	if !ok || cs.idx+1 > DefaultCacheSize-1 {
+		cs = &cacheStruct{reflect.MakeSlice(reflect.SliceOf(typ), DefaultCacheSize, DefaultCacheSize), 0}
+		db.reflectCache[typ] = cs
+	} else {
+		cs.idx = cs.idx + 1
+	}
+	return cs.value.Index(cs.idx).Addr()
+}
+
+// QueryContext overwrites sql.DB.QueryContext
+func (db *DB) QueryContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
+	rows, err := db.DB.QueryContext(ctx, query, args...)
 	if err != nil {
 		if rows != nil {
 			rows.Close()
 		}
 		return nil, err
 	}
-	return &Rows{rows, db.Mapper}, nil
+	return &Rows{rows, db}, nil
 }
 
-func (db *DB) QueryMap(query string, mp interface{}) (*Rows, error) {
+// Query overwrites sql.DB.Query
+func (db *DB) Query(query string, args ...interface{}) (*Rows, error) {
+	return db.QueryContext(context.Background(), query, args...)
+}
+
+func (db *DB) QueryMapContext(ctx context.Context, query string, mp interface{}) (*Rows, error) {
 	query, args, err := MapToSlice(query, mp)
 	if err != nil {
 		return nil, err
 	}
-	return db.Query(query, args...)
+	return db.QueryContext(ctx, query, args...)
 }
 
-func (db *DB) QueryStruct(query string, st interface{}) (*Rows, error) {
+func (db *DB) QueryMap(query string, mp interface{}) (*Rows, error) {
+	return db.QueryMapContext(context.Background(), query, mp)
+}
+
+func (db *DB) QueryStructContext(ctx context.Context, query string, st interface{}) (*Rows, error) {
 	query, args, err := StructToSlice(query, st)
 	if err != nil {
 		return nil, err
 	}
-	return db.Query(query, args...)
+	return db.QueryContext(ctx, query, args...)
 }
 
-func (db *DB) QueryRow(query string, args ...interface{}) *Row {
-	rows, err := db.Query(query, args...)
+func (db *DB) QueryStruct(query string, st interface{}) (*Rows, error) {
+	return db.QueryStructContext(context.Background(), query, st)
+}
+
+func (db *DB) QueryRowContext(ctx context.Context, query string, args ...interface{}) *Row {
+	rows, err := db.QueryContext(ctx, query, args...)
 	if err != nil {
 		return &Row{nil, err}
 	}
 	return &Row{rows, nil}
 }
 
-func (db *DB) QueryRowMap(query string, mp interface{}) *Row {
+func (db *DB) QueryRow(query string, args ...interface{}) *Row {
+	return db.QueryRowContext(context.Background(), query, args...)
+}
+
+func (db *DB) QueryRowMapContext(ctx context.Context, query string, mp interface{}) *Row {
 	query, args, err := MapToSlice(query, mp)
 	if err != nil {
 		return &Row{nil, err}
 	}
-	return db.QueryRow(query, args...)
+	return db.QueryRowContext(ctx, query, args...)
 }
 
-func (db *DB) QueryRowStruct(query string, st interface{}) *Row {
+func (db *DB) QueryRowMap(query string, mp interface{}) *Row {
+	return db.QueryRowMapContext(context.Background(), query, mp)
+}
+
+func (db *DB) QueryRowStructContext(ctx context.Context, query string, st interface{}) *Row {
 	query, args, err := StructToSlice(query, st)
 	if err != nil {
 		return &Row{nil, err}
 	}
-	return db.QueryRow(query, args...)
+	return db.QueryRowContext(ctx, query, args...)
 }
 
-type Stmt struct {
-	*sql.Stmt
-	Mapper IMapper
-	names  map[string]int
-}
-
-func (db *DB) Prepare(query string) (*Stmt, error) {
-	names := make(map[string]int)
-	var i int
-	query = re.ReplaceAllStringFunc(query, func(src string) string {
-		names[src[1:]] = i
-		i += 1
-		return "?"
-	})
-
-	stmt, err := db.DB.Prepare(query)
-	if err != nil {
-		return nil, err
-	}
-	return &Stmt{stmt, db.Mapper, names}, nil
-}
-
-func (s *Stmt) ExecMap(mp interface{}) (sql.Result, error) {
-	vv := reflect.ValueOf(mp)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
-		return nil, errors.New("mp should be a map's pointer")
-	}
-
-	args := make([]interface{}, len(s.names))
-	for k, i := range s.names {
-		args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
-	}
-	return s.Stmt.Exec(args...)
-}
-
-func (s *Stmt) ExecStruct(st interface{}) (sql.Result, error) {
-	vv := reflect.ValueOf(st)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
-		return nil, errors.New("mp should be a map's pointer")
-	}
-
-	args := make([]interface{}, len(s.names))
-	for k, i := range s.names {
-		args[i] = vv.Elem().FieldByName(k).Interface()
-	}
-	return s.Stmt.Exec(args...)
-}
-
-func (s *Stmt) Query(args ...interface{}) (*Rows, error) {
-	rows, err := s.Stmt.Query(args...)
-	if err != nil {
-		return nil, err
-	}
-	return &Rows{rows, s.Mapper}, nil
-}
-
-func (s *Stmt) QueryMap(mp interface{}) (*Rows, error) {
-	vv := reflect.ValueOf(mp)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
-		return nil, errors.New("mp should be a map's pointer")
-	}
-
-	args := make([]interface{}, len(s.names))
-	for k, i := range s.names {
-		args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
-	}
-
-	return s.Query(args...)
-}
-
-func (s *Stmt) QueryStruct(st interface{}) (*Rows, error) {
-	vv := reflect.ValueOf(st)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
-		return nil, errors.New("mp should be a map's pointer")
-	}
-
-	args := make([]interface{}, len(s.names))
-	for k, i := range s.names {
-		args[i] = vv.Elem().FieldByName(k).Interface()
-	}
-
-	return s.Query(args...)
-}
-
-func (s *Stmt) QueryRow(args ...interface{}) *Row {
-	rows, err := s.Query(args...)
-	return &Row{rows, err}
-}
-
-func (s *Stmt) QueryRowMap(mp interface{}) *Row {
-	vv := reflect.ValueOf(mp)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
-		return &Row{nil, errors.New("mp should be a map's pointer")}
-	}
-
-	args := make([]interface{}, len(s.names))
-	for k, i := range s.names {
-		args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
-	}
-
-	return s.QueryRow(args...)
-}
-
-func (s *Stmt) QueryRowStruct(st interface{}) *Row {
-	vv := reflect.ValueOf(st)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
-		return &Row{nil, errors.New("st should be a struct's pointer")}
-	}
-
-	args := make([]interface{}, len(s.names))
-	for k, i := range s.names {
-		args[i] = vv.Elem().FieldByName(k).Interface()
-	}
-
-	return s.QueryRow(args...)
+func (db *DB) QueryRowStruct(query string, st interface{}) *Row {
+	return db.QueryRowStructContext(context.Background(), query, st)
 }
 
 var (
@@ -249,120 +198,26 @@ var (
 
 // insert into (name) values (?)
 // insert into (name) values (?name)
-func (db *DB) ExecMap(query string, mp interface{}) (sql.Result, error) {
+func (db *DB) ExecMapContext(ctx context.Context, query string, mp interface{}) (sql.Result, error) {
 	query, args, err := MapToSlice(query, mp)
 	if err != nil {
 		return nil, err
 	}
-	return db.DB.Exec(query, args...)
+	return db.DB.ExecContext(ctx, query, args...)
+}
+
+func (db *DB) ExecMap(query string, mp interface{}) (sql.Result, error) {
+	return db.ExecMapContext(context.Background(), query, mp)
+}
+
+func (db *DB) ExecStructContext(ctx context.Context, query string, st interface{}) (sql.Result, error) {
+	query, args, err := StructToSlice(query, st)
+	if err != nil {
+		return nil, err
+	}
+	return db.DB.ExecContext(ctx, query, args...)
 }
 
 func (db *DB) ExecStruct(query string, st interface{}) (sql.Result, error) {
-	query, args, err := StructToSlice(query, st)
-	if err != nil {
-		return nil, err
-	}
-	return db.DB.Exec(query, args...)
-}
-
-type EmptyScanner struct {
-}
-
-func (EmptyScanner) Scan(src interface{}) error {
-	return nil
-}
-
-type Tx struct {
-	*sql.Tx
-	Mapper IMapper
-}
-
-func (db *DB) Begin() (*Tx, error) {
-	tx, err := db.DB.Begin()
-	if err != nil {
-		return nil, err
-	}
-	return &Tx{tx, db.Mapper}, nil
-}
-
-func (tx *Tx) Prepare(query string) (*Stmt, error) {
-	names := make(map[string]int)
-	var i int
-	query = re.ReplaceAllStringFunc(query, func(src string) string {
-		names[src[1:]] = i
-		i += 1
-		return "?"
-	})
-
-	stmt, err := tx.Tx.Prepare(query)
-	if err != nil {
-		return nil, err
-	}
-	return &Stmt{stmt, tx.Mapper, names}, nil
-}
-
-func (tx *Tx) Stmt(stmt *Stmt) *Stmt {
-	// TODO:
-	return stmt
-}
-
-func (tx *Tx) ExecMap(query string, mp interface{}) (sql.Result, error) {
-	query, args, err := MapToSlice(query, mp)
-	if err != nil {
-		return nil, err
-	}
-	return tx.Tx.Exec(query, args...)
-}
-
-func (tx *Tx) ExecStruct(query string, st interface{}) (sql.Result, error) {
-	query, args, err := StructToSlice(query, st)
-	if err != nil {
-		return nil, err
-	}
-	return tx.Tx.Exec(query, args...)
-}
-
-func (tx *Tx) Query(query string, args ...interface{}) (*Rows, error) {
-	rows, err := tx.Tx.Query(query, args...)
-	if err != nil {
-		return nil, err
-	}
-	return &Rows{rows, tx.Mapper}, nil
-}
-
-func (tx *Tx) QueryMap(query string, mp interface{}) (*Rows, error) {
-	query, args, err := MapToSlice(query, mp)
-	if err != nil {
-		return nil, err
-	}
-	return tx.Query(query, args...)
-}
-
-func (tx *Tx) QueryStruct(query string, st interface{}) (*Rows, error) {
-	query, args, err := StructToSlice(query, st)
-	if err != nil {
-		return nil, err
-	}
-	return tx.Query(query, args...)
-}
-
-func (tx *Tx) QueryRow(query string, args ...interface{}) *Row {
-	rows, err := tx.Query(query, args...)
-	return &Row{rows, err}
-}
-
-func (tx *Tx) QueryRowMap(query string, mp interface{}) *Row {
-	query, args, err := MapToSlice(query, mp)
-	if err != nil {
-		return &Row{nil, err}
-	}
-	return tx.QueryRow(query, args...)
-}
-
-func (tx *Tx) QueryRowStruct(query string, st interface{}) *Row {
-	query, args, err := StructToSlice(query, st)
-	if err != nil {
-		return &Row{nil, err}
-	}
-	return tx.QueryRow(query, args...)
+	return db.ExecStructContext(context.Background(), query, st)
 }

vendor/github.com/go-xorm/core/dialect.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -74,6 +78,7 @@ type Dialect interface {
 	GetIndexes(tableName string) (map[string]*Index, error)
 
 	Filters() []Filter
+	SetParams(params map[string]string)
 }
 
 func OpenDialect(dialect Dialect) (*DB, error) {
@@ -148,7 +153,8 @@ func (db *Base) SupportDropIfExists() bool {
 }
 
 func (db *Base) DropTableSql(tableName string) string {
-	return fmt.Sprintf("DROP TABLE IF EXISTS `%s`", tableName)
+	quote := db.dialect.Quote
+	return fmt.Sprintf("DROP TABLE IF EXISTS %s", quote(tableName))
 }
 
 func (db *Base) HasRecords(query string, args ...interface{}) (bool, error) {
@@ -289,6 +295,9 @@ func (b *Base) LogSQL(sql string, args []interface{}) {
 	}
 }
 
+func (b *Base) SetParams(params map[string]string) {
+}
+
 var (
 	dialects = map[string]func() Dialect{}
 )

vendor/github.com/go-xorm/core/driver.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 type Driver interface {

vendor/github.com/go-xorm/core/error.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import "errors"

vendor/github.com/go-xorm/core/filter.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -37,9 +41,9 @@ func (q *Quoter) Quote(content string) string {
 func (i *IdFilter) Do(sql string, dialect Dialect, table *Table) string {
 	quoter := NewQuoter(dialect)
 	if table != nil && len(table.PrimaryKeys) == 1 {
-		sql = strings.Replace(sql, "`(id)`", quoter.Quote(table.PrimaryKeys[0]), -1)
-		sql = strings.Replace(sql, quoter.Quote("(id)"), quoter.Quote(table.PrimaryKeys[0]), -1)
-		return strings.Replace(sql, "(id)", quoter.Quote(table.PrimaryKeys[0]), -1)
+		sql = strings.Replace(sql, " `(id)` ", " "+quoter.Quote(table.PrimaryKeys[0])+" ", -1)
+		sql = strings.Replace(sql, " "+quoter.Quote("(id)")+" ", " "+quoter.Quote(table.PrimaryKeys[0])+" ", -1)
+		return strings.Replace(sql, " (id) ", " "+quoter.Quote(table.PrimaryKeys[0])+" ", -1)
 	}
 	return sql
 }

vendor/github.com/go-xorm/core/ilogger.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 type LogLevel int

vendor/github.com/go-xorm/core/index.go

@@ -1,8 +1,11 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
 	"fmt"
-	"sort"
 	"strings"
 )
 
@@ -22,6 +25,8 @@ type Index struct {
 func (index *Index) XName(tableName string) string {
 	if !strings.HasPrefix(index.Name, "UQE_") &&
 		!strings.HasPrefix(index.Name, "IDX_") {
+		tableName = strings.Replace(tableName, `"`, "", -1)
+		tableName = strings.Replace(tableName, `.`, "_", -1)
 		if index.Type == UniqueType {
 			return fmt.Sprintf("UQE_%v_%v", tableName, index.Name)
 		}
@@ -44,11 +49,16 @@ func (index *Index) Equal(dst *Index) bool {
 	if len(index.Cols) != len(dst.Cols) {
 		return false
 	}
-	sort.StringSlice(index.Cols).Sort()
-	sort.StringSlice(dst.Cols).Sort()
 
 	for i := 0; i < len(index.Cols); i++ {
-		if index.Cols[i] != dst.Cols[i] {
+		var found bool
+		for j := 0; j < len(dst.Cols); j++ {
+			if index.Cols[i] == dst.Cols[j] {
+				found = true
+				break
+			}
+		}
+		if !found {
 			return false
 		}
 	}

vendor/github.com/go-xorm/core/mapper.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (

vendor/github.com/go-xorm/core/pk.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (

vendor/github.com/go-xorm/core/rows.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -9,7 +13,7 @@ import (
 
 type Rows struct {
 	*sql.Rows
-	Mapper IMapper
+	db *DB
 }
 
 func (rs *Rows) ToMapString() ([]map[string]string, error) {
@@ -105,7 +109,7 @@ func (rs *Rows) ScanStructByName(dest interface{}) error {
 	newDest := make([]interface{}, len(cols))
 	var v EmptyScanner
 	for j, name := range cols {
-		f := fieldByName(vv.Elem(), rs.Mapper.Table2Obj(name))
+		f := fieldByName(vv.Elem(), rs.db.Mapper.Table2Obj(name))
 		if f.IsValid() {
 			newDest[j] = f.Addr().Interface()
 		} else {
@@ -116,36 +120,6 @@ func (rs *Rows) ScanStructByName(dest interface{}) error {
 	return rs.Rows.Scan(newDest...)
 }
 
-type cacheStruct struct {
-	value reflect.Value
-	idx   int
-}
-
-var (
-	reflectCache      = make(map[reflect.Type]*cacheStruct)
-	reflectCacheMutex sync.RWMutex
-)
-
-func ReflectNew(typ reflect.Type) reflect.Value {
-	reflectCacheMutex.RLock()
-	cs, ok := reflectCache[typ]
-	reflectCacheMutex.RUnlock()
-
-	const newSize = 200
-
-	if !ok || cs.idx+1 > newSize-1 {
-		cs = &cacheStruct{reflect.MakeSlice(reflect.SliceOf(typ), newSize, newSize), 0}
-		reflectCacheMutex.Lock()
-		reflectCache[typ] = cs
-		reflectCacheMutex.Unlock()
-	} else {
-		reflectCacheMutex.Lock()
-		cs.idx = cs.idx + 1
-		reflectCacheMutex.Unlock()
-	}
-	return cs.value.Index(cs.idx).Addr()
-}
-
 // scan data to a slice's pointer, slice's length should equal to columns' number
 func (rs *Rows) ScanSlice(dest interface{}) error {
 	vv := reflect.ValueOf(dest)
@@ -197,9 +171,7 @@ func (rs *Rows) ScanMap(dest interface{}) error {
 	vvv := vv.Elem()
 
 	for i, _ := range cols {
-		newDest[i] = ReflectNew(vvv.Type().Elem()).Interface()
-		//v := reflect.New(vvv.Type().Elem())
-		//newDest[i] = v.Interface()
+		newDest[i] = rs.db.reflectNew(vvv.Type().Elem()).Interface()
 	}
 
 	err = rs.Rows.Scan(newDest...)
@@ -215,32 +187,6 @@ func (rs *Rows) ScanMap(dest interface{}) error {
 	return nil
 }
 
-/*func (rs *Rows) ScanMap(dest interface{}) error {
-	vv := reflect.ValueOf(dest)
-	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
-		return errors.New("dest should be a map's pointer")
-	}
-
-	cols, err := rs.Columns()
-	if err != nil {
-		return err
-	}
-
-	newDest := make([]interface{}, len(cols))
-	err = rs.ScanSlice(newDest)
-	if err != nil {
-		return err
-	}
-
-	vvv := vv.Elem()
-
-	for i, name := range cols {
-		vname := reflect.ValueOf(name)
-		vvv.SetMapIndex(vname, reflect.ValueOf(newDest[i]).Elem())
-	}
-
-	return nil
-}*/
 type Row struct {
 	rows *Rows
 	// One of these two will be non-nil:

vendor/github.com/go-xorm/core/scan.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -44,9 +48,19 @@ func convertTime(dest *NullTime, src interface{}) error {
 		}
 		*dest = NullTime(t)
 		return nil
+	case time.Time:
+		*dest = NullTime(s)
+		return nil
 	case nil:
 	default:
 		return fmt.Errorf("unsupported driver -> Scan pair: %T -> %T", src, dest)
 	}
 	return nil
 }
+
+type EmptyScanner struct {
+}
+
+func (EmptyScanner) Scan(src interface{}) error {
+	return nil
+}

vendor/github.com/go-xorm/core/stmt.go

@@ -0,0 +1,165 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package core
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"reflect"
+)
+
+type Stmt struct {
+	*sql.Stmt
+	db    *DB
+	names map[string]int
+}
+
+func (db *DB) PrepareContext(ctx context.Context, query string) (*Stmt, error) {
+	names := make(map[string]int)
+	var i int
+	query = re.ReplaceAllStringFunc(query, func(src string) string {
+		names[src[1:]] = i
+		i += 1
+		return "?"
+	})
+
+	stmt, err := db.DB.PrepareContext(ctx, query)
+	if err != nil {
+		return nil, err
+	}
+	return &Stmt{stmt, db, names}, nil
+}
+
+func (db *DB) Prepare(query string) (*Stmt, error) {
+	return db.PrepareContext(context.Background(), query)
+}
+
+func (s *Stmt) ExecMapContext(ctx context.Context, mp interface{}) (sql.Result, error) {
+	vv := reflect.ValueOf(mp)
+	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
+		return nil, errors.New("mp should be a map's pointer")
+	}
+
+	args := make([]interface{}, len(s.names))
+	for k, i := range s.names {
+		args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
+	}
+	return s.Stmt.ExecContext(ctx, args...)
+}
+
+func (s *Stmt) ExecMap(mp interface{}) (sql.Result, error) {
+	return s.ExecMapContext(context.Background(), mp)
+}
+
+func (s *Stmt) ExecStructContext(ctx context.Context, st interface{}) (sql.Result, error) {
+	vv := reflect.ValueOf(st)
+	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
+		return nil, errors.New("mp should be a map's pointer")
+	}
+
+	args := make([]interface{}, len(s.names))
+	for k, i := range s.names {
+		args[i] = vv.Elem().FieldByName(k).Interface()
+	}
+	return s.Stmt.ExecContext(ctx, args...)
+}
+
+func (s *Stmt) ExecStruct(st interface{}) (sql.Result, error) {
+	return s.ExecStructContext(context.Background(), st)
+}
+
+func (s *Stmt) QueryContext(ctx context.Context, args ...interface{}) (*Rows, error) {
+	rows, err := s.Stmt.QueryContext(ctx, args...)
+	if err != nil {
+		return nil, err
+	}
+	return &Rows{rows, s.db}, nil
+}
+
+func (s *Stmt) Query(args ...interface{}) (*Rows, error) {
+	return s.QueryContext(context.Background(), args...)
+}
+
+func (s *Stmt) QueryMapContext(ctx context.Context, mp interface{}) (*Rows, error) {
+	vv := reflect.ValueOf(mp)
+	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
+		return nil, errors.New("mp should be a map's pointer")
+	}
+
+	args := make([]interface{}, len(s.names))
+	for k, i := range s.names {
+		args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
+	}
+
+	return s.QueryContext(ctx, args...)
+}
+
+func (s *Stmt) QueryMap(mp interface{}) (*Rows, error) {
+	return s.QueryMapContext(context.Background(), mp)
+}
+
+func (s *Stmt) QueryStructContext(ctx context.Context, st interface{}) (*Rows, error) {
+	vv := reflect.ValueOf(st)
+	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
+		return nil, errors.New("mp should be a map's pointer")
+	}
+
+	args := make([]interface{}, len(s.names))
+	for k, i := range s.names {
+		args[i] = vv.Elem().FieldByName(k).Interface()
+	}
+
+	return s.Query(args...)
+}
+
+func (s *Stmt) QueryStruct(st interface{}) (*Rows, error) {
+	return s.QueryStructContext(context.Background(), st)
+}
+
+func (s *Stmt) QueryRowContext(ctx context.Context, args ...interface{}) *Row {
+	rows, err := s.QueryContext(ctx, args...)
+	return &Row{rows, err}
+}
+
+func (s *Stmt) QueryRow(args ...interface{}) *Row {
+	return s.QueryRowContext(context.Background(), args...)
+}
+
+func (s *Stmt) QueryRowMapContext(ctx context.Context, mp interface{}) *Row {
+	vv := reflect.ValueOf(mp)
+	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Map {
+		return &Row{nil, errors.New("mp should be a map's pointer")}
+	}
+
+	args := make([]interface{}, len(s.names))
+	for k, i := range s.names {
+		args[i] = vv.Elem().MapIndex(reflect.ValueOf(k)).Interface()
+	}
+
+	return s.QueryRowContext(ctx, args...)
+}
+
+func (s *Stmt) QueryRowMap(mp interface{}) *Row {
+	return s.QueryRowMapContext(context.Background(), mp)
+}
+
+func (s *Stmt) QueryRowStructContext(ctx context.Context, st interface{}) *Row {
+	vv := reflect.ValueOf(st)
+	if vv.Kind() != reflect.Ptr || vv.Elem().Kind() != reflect.Struct {
+		return &Row{nil, errors.New("st should be a struct's pointer")}
+	}
+
+	args := make([]interface{}, len(s.names))
+	for k, i := range s.names {
+		args[i] = vv.Elem().FieldByName(k).Interface()
+	}
+
+	return s.QueryRowContext(ctx, args...)
+}
+
+func (s *Stmt) QueryRowStruct(st interface{}) *Row {
+	return s.QueryRowStructContext(context.Background(), st)
+}

vendor/github.com/go-xorm/core/table.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -49,7 +53,6 @@ func NewTable(name string, t reflect.Type) *Table {
 }
 
 func (table *Table) columnsByName(name string) []*Column {
-
 	n := len(name)
 
 	for k := range table.columnsMap {
@@ -75,7 +78,6 @@ func (table *Table) GetColumn(name string) *Column {
 }
 
 func (table *Table) GetColumnIdx(name string, idx int) *Column {
-
 	cols := table.columnsByName(name)
 
 	if cols != nil && idx < len(cols) {

vendor/github.com/go-xorm/core/tx.go

@@ -0,0 +1,153 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package core
+
+import (
+	"context"
+	"database/sql"
+)
+
+type Tx struct {
+	*sql.Tx
+	db *DB
+}
+
+func (db *DB) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
+	tx, err := db.DB.BeginTx(ctx, opts)
+	if err != nil {
+		return nil, err
+	}
+	return &Tx{tx, db}, nil
+}
+
+func (db *DB) Begin() (*Tx, error) {
+	tx, err := db.DB.Begin()
+	if err != nil {
+		return nil, err
+	}
+	return &Tx{tx, db}, nil
+}
+
+func (tx *Tx) PrepareContext(ctx context.Context, query string) (*Stmt, error) {
+	names := make(map[string]int)
+	var i int
+	query = re.ReplaceAllStringFunc(query, func(src string) string {
+		names[src[1:]] = i
+		i += 1
+		return "?"
+	})
+
+	stmt, err := tx.Tx.PrepareContext(ctx, query)
+	if err != nil {
+		return nil, err
+	}
+	return &Stmt{stmt, tx.db, names}, nil
+}
+
+func (tx *Tx) Prepare(query string) (*Stmt, error) {
+	return tx.PrepareContext(context.Background(), query)
+}
+
+func (tx *Tx) StmtContext(ctx context.Context, stmt *Stmt) *Stmt {
+	stmt.Stmt = tx.Tx.StmtContext(ctx, stmt.Stmt)
+	return stmt
+}
+
+func (tx *Tx) Stmt(stmt *Stmt) *Stmt {
+	return tx.StmtContext(context.Background(), stmt)
+}
+
+func (tx *Tx) ExecMapContext(ctx context.Context, query string, mp interface{}) (sql.Result, error) {
+	query, args, err := MapToSlice(query, mp)
+	if err != nil {
+		return nil, err
+	}
+	return tx.Tx.ExecContext(ctx, query, args...)
+}
+
+func (tx *Tx) ExecMap(query string, mp interface{}) (sql.Result, error) {
+	return tx.ExecMapContext(context.Background(), query, mp)
+}
+
+func (tx *Tx) ExecStructContext(ctx context.Context, query string, st interface{}) (sql.Result, error) {
+	query, args, err := StructToSlice(query, st)
+	if err != nil {
+		return nil, err
+	}
+	return tx.Tx.ExecContext(ctx, query, args...)
+}
+
+func (tx *Tx) ExecStruct(query string, st interface{}) (sql.Result, error) {
+	return tx.ExecStructContext(context.Background(), query, st)
+}
+
+func (tx *Tx) QueryContext(ctx context.Context, query string, args ...interface{}) (*Rows, error) {
+	rows, err := tx.Tx.QueryContext(ctx, query, args...)
+	if err != nil {
+		return nil, err
+	}
+	return &Rows{rows, tx.db}, nil
+}
+
+func (tx *Tx) Query(query string, args ...interface{}) (*Rows, error) {
+	return tx.QueryContext(context.Background(), query, args...)
+}
+
+func (tx *Tx) QueryMapContext(ctx context.Context, query string, mp interface{}) (*Rows, error) {
+	query, args, err := MapToSlice(query, mp)
+	if err != nil {
+		return nil, err
+	}
+	return tx.QueryContext(ctx, query, args...)
+}
+
+func (tx *Tx) QueryMap(query string, mp interface{}) (*Rows, error) {
+	return tx.QueryMapContext(context.Background(), query, mp)
+}
+
+func (tx *Tx) QueryStructContext(ctx context.Context, query string, st interface{}) (*Rows, error) {
+	query, args, err := StructToSlice(query, st)
+	if err != nil {
+		return nil, err
+	}
+	return tx.QueryContext(ctx, query, args...)
+}
+
+func (tx *Tx) QueryStruct(query string, st interface{}) (*Rows, error) {
+	return tx.QueryStructContext(context.Background(), query, st)
+}
+
+func (tx *Tx) QueryRowContext(ctx context.Context, query string, args ...interface{}) *Row {
+	rows, err := tx.QueryContext(ctx, query, args...)
+	return &Row{rows, err}
+}
+
+func (tx *Tx) QueryRow(query string, args ...interface{}) *Row {
+	return tx.QueryRowContext(context.Background(), query, args...)
+}
+
+func (tx *Tx) QueryRowMapContext(ctx context.Context, query string, mp interface{}) *Row {
+	query, args, err := MapToSlice(query, mp)
+	if err != nil {
+		return &Row{nil, err}
+	}
+	return tx.QueryRowContext(ctx, query, args...)
+}
+
+func (tx *Tx) QueryRowMap(query string, mp interface{}) *Row {
+	return tx.QueryRowMapContext(context.Background(), query, mp)
+}
+
+func (tx *Tx) QueryRowStructContext(ctx context.Context, query string, st interface{}) *Row {
+	query, args, err := StructToSlice(query, st)
+	if err != nil {
+		return &Row{nil, err}
+	}
+	return tx.QueryRowContext(ctx, query, args...)
+}
+
+func (tx *Tx) QueryRowStruct(query string, st interface{}) *Row {
+	return tx.QueryRowStructContext(context.Background(), query, st)
+}

vendor/github.com/go-xorm/core/type.go

@@ -1,3 +1,7 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package core
 
 import (
@@ -69,24 +73,31 @@ var (
 	Enum = "ENUM"
 	Set  = "SET"
 
-	Char       = "CHAR"
-	Varchar    = "VARCHAR"
-	NVarchar   = "NVARCHAR"
-	TinyText   = "TINYTEXT"
-	Text       = "TEXT"
-	Clob       = "CLOB"
-	MediumText = "MEDIUMTEXT"
-	LongText   = "LONGTEXT"
-	Uuid       = "UUID"
+	Char             = "CHAR"
+	Varchar          = "VARCHAR"
+	NChar            = "NCHAR"
+	NVarchar         = "NVARCHAR"
+	TinyText         = "TINYTEXT"
+	Text             = "TEXT"
+	NText            = "NTEXT"
+	Clob             = "CLOB"
+	MediumText       = "MEDIUMTEXT"
+	LongText         = "LONGTEXT"
+	Uuid             = "UUID"
+	UniqueIdentifier = "UNIQUEIDENTIFIER"
+	SysName          = "SYSNAME"
 
 	Date       = "DATE"
 	DateTime   = "DATETIME"
+	SmallDateTime   = "SMALLDATETIME"
 	Time       = "TIME"
 	TimeStamp  = "TIMESTAMP"
 	TimeStampz = "TIMESTAMPZ"
 
 	Decimal = "DECIMAL"
 	Numeric = "NUMERIC"
+	Money   = "MONEY"
+	SmallMoney = "SMALLMONEY"
 
 	Real   = "REAL"
 	Float  = "FLOAT"
@@ -124,35 +135,42 @@ var (
 		Jsonb: TEXT_TYPE,
 
 		Char:       TEXT_TYPE,
+		NChar:      TEXT_TYPE,
 		Varchar:    TEXT_TYPE,
 		NVarchar:   TEXT_TYPE,
 		TinyText:   TEXT_TYPE,
 		Text:       TEXT_TYPE,
+		NText:      TEXT_TYPE,
 		MediumText: TEXT_TYPE,
 		LongText:   TEXT_TYPE,
 		Uuid:       TEXT_TYPE,
 		Clob:       TEXT_TYPE,
+		SysName:    TEXT_TYPE,
 
 		Date:       TIME_TYPE,
 		DateTime:   TIME_TYPE,
 		Time:       TIME_TYPE,
 		TimeStamp:  TIME_TYPE,
 		TimeStampz: TIME_TYPE,
+		SmallDateTime:   TIME_TYPE,
 
 		Decimal: NUMERIC_TYPE,
 		Numeric: NUMERIC_TYPE,
 		Real:    NUMERIC_TYPE,
 		Float:   NUMERIC_TYPE,
 		Double:  NUMERIC_TYPE,
+		Money:   NUMERIC_TYPE,
+		SmallMoney: NUMERIC_TYPE,
 
 		Binary:    BLOB_TYPE,
 		VarBinary: BLOB_TYPE,
 
-		TinyBlob:   BLOB_TYPE,
-		Blob:       BLOB_TYPE,
-		MediumBlob: BLOB_TYPE,
-		LongBlob:   BLOB_TYPE,
-		Bytea:      BLOB_TYPE,
+		TinyBlob:         BLOB_TYPE,
+		Blob:             BLOB_TYPE,
+		MediumBlob:       BLOB_TYPE,
+		LongBlob:         BLOB_TYPE,
+		Bytea:            BLOB_TYPE,
+		UniqueIdentifier: BLOB_TYPE,
 
 		Bool: NUMERIC_TYPE,
 
@@ -289,15 +307,15 @@ func SQLType2Type(st SQLType) reflect.Type {
 		return reflect.TypeOf(float32(1))
 	case Double:
 		return reflect.TypeOf(float64(1))
-	case Char, Varchar, NVarchar, TinyText, Text, MediumText, LongText, Enum, Set, Uuid, Clob:
+	case Char, NChar, Varchar, NVarchar, TinyText, Text, NText, MediumText, LongText, Enum, Set, Uuid, Clob, SysName:
 		return reflect.TypeOf("")
-	case TinyBlob, Blob, LongBlob, Bytea, Binary, MediumBlob, VarBinary:
+	case TinyBlob, Blob, LongBlob, Bytea, Binary, MediumBlob, VarBinary, UniqueIdentifier:
 		return reflect.TypeOf([]byte{})
 	case Bool:
 		return reflect.TypeOf(true)
-	case DateTime, Date, Time, TimeStamp, TimeStampz:
+	case DateTime, Date, Time, TimeStamp, TimeStampz, SmallDateTime:
 		return reflect.TypeOf(c_TIME_DEFAULT)
-	case Decimal, Numeric:
+	case Decimal, Numeric, Money, SmallMoney:
 		return reflect.TypeOf("")
 	default:
 		return reflect.TypeOf("")

vendor/github.com/go-xorm/xorm/context_cache.go

@@ -0,0 +1,30 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+// ContextCache is the interface that operates the cache data.
+type ContextCache interface {
+	// Put puts value into cache with key.
+	Put(key string, val interface{})
+	// Get gets cached value by given key.
+	Get(key string) interface{}
+}
+
+type memoryContextCache map[string]interface{}
+
+// NewMemoryContextCache return memoryContextCache
+func NewMemoryContextCache() memoryContextCache {
+	return make(map[string]interface{})
+}
+
+// Put puts value into cache with key.
+func (m memoryContextCache) Put(key string, val interface{}) {
+	m[key] = val
+}
+
+// Get gets cached value by given key.
+func (m memoryContextCache) Get(key string) interface{} {
+	return m[key]
+}

vendor/github.com/go-xorm/xorm/dialect_mysql.go

@@ -172,12 +172,33 @@ type mysql struct {
 	allowAllFiles     bool
 	allowOldPasswords bool
 	clientFoundRows   bool
+	rowFormat         string
 }
 
 func (db *mysql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
 	return db.Base.Init(d, db, uri, drivername, dataSourceName)
 }
 
+func (db *mysql) SetParams(params map[string]string) {
+	rowFormat, ok := params["rowFormat"]
+	if ok {
+		var t = strings.ToUpper(rowFormat)
+		switch t {
+		case "COMPACT":
+			fallthrough
+		case "REDUNDANT":
+			fallthrough
+		case "DYNAMIC":
+			fallthrough
+		case "COMPRESSED":
+			db.rowFormat = t
+			break
+		default:
+			break
+		}
+	}
+}
+
 func (db *mysql) SqlType(c *core.Column) string {
 	var res string
 	switch t := c.SQLType.Name; t {
@@ -487,6 +508,62 @@ func (db *mysql) GetIndexes(tableName string) (map[string]*core.Index, error) {
 	return indexes, nil
 }
 
+func (db *mysql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
+	var sql string
+	sql = "CREATE TABLE IF NOT EXISTS "
+	if tableName == "" {
+		tableName = table.Name
+	}
+
+	sql += db.Quote(tableName)
+	sql += " ("
+
+	if len(table.ColumnsSeq()) > 0 {
+		pkList := table.PrimaryKeys
+
+		for _, colName := range table.ColumnsSeq() {
+			col := table.GetColumn(colName)
+			if col.IsPrimaryKey && len(pkList) == 1 {
+				sql += col.String(db)
+			} else {
+				sql += col.StringNoPk(db)
+			}
+			sql = strings.TrimSpace(sql)
+			if len(col.Comment) > 0 {
+				sql += " COMMENT '" + col.Comment + "'"
+			}
+			sql += ", "
+		}
+
+		if len(pkList) > 1 {
+			sql += "PRIMARY KEY ( "
+			sql += db.Quote(strings.Join(pkList, db.Quote(",")))
+			sql += " ), "
+		}
+
+		sql = sql[:len(sql)-2]
+	}
+	sql += ")"
+
+	if storeEngine != "" {
+		sql += " ENGINE=" + storeEngine
+	}
+
+	if len(charset) == 0 {
+		charset = db.URI().Charset
+	} 
+	if len(charset) != 0 {
+		sql += " DEFAULT CHARSET " + charset
+	}
+	
+	
+
+	if db.rowFormat != "" {
+		sql += " ROW_FORMAT=" + db.rowFormat
+	}
+	return sql
+}
+
 func (db *mysql) Filters() []core.Filter {
 	return []core.Filter{&core.IdFilter{}}
 }

vendor/github.com/go-xorm/xorm/dialect_postgres.go

@@ -764,14 +764,26 @@ var (
 		"YES":                       true,
 		"ZONE":                      true,
 	}
+
+	// DefaultPostgresSchema default postgres schema
+	DefaultPostgresSchema = "public"
 )
 
+const postgresPublicSchema = "public"
+
 type postgres struct {
 	core.Base
 }
 
 func (db *postgres) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
-	return db.Base.Init(d, db, uri, drivername, dataSourceName)
+	err := db.Base.Init(d, db, uri, drivername, dataSourceName)
+	if err != nil {
+		return err
+	}
+	if db.Schema == "" {
+		db.Schema = DefaultPostgresSchema
+	}
+	return nil
 }
 
 func (db *postgres) SqlType(c *core.Column) string {
@@ -868,32 +880,42 @@ func (db *postgres) IndexOnTable() bool {
 }
 
 func (db *postgres) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
-	args := []interface{}{tableName, idxName}
+	if len(db.Schema) == 0 {
+		args := []interface{}{tableName, idxName}
+		return `SELECT indexname FROM pg_indexes WHERE tablename = ? AND indexname = ?`, args
+	}
+
+	args := []interface{}{db.Schema, tableName, idxName}
 	return `SELECT indexname FROM pg_indexes ` +
-		`WHERE tablename = ? AND indexname = ?`, args
+		`WHERE schemaname = ? AND tablename = ? AND indexname = ?`, args
 }
 
 func (db *postgres) TableCheckSql(tableName string) (string, []interface{}) {
-	args := []interface{}{tableName}
-	return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
+	if len(db.Schema) == 0 {
+		args := []interface{}{tableName}
+		return `SELECT tablename FROM pg_tables WHERE tablename = ?`, args
+	}
+
+	args := []interface{}{db.Schema, tableName}
+	return `SELECT tablename FROM pg_tables WHERE schemaname = ? AND tablename = ?`, args
 }
 
-/*func (db *postgres) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
-	args := []interface{}{tableName, colName}
-	return "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ?" +
-		" AND column_name = ?", args
-}*/
-
 func (db *postgres) ModifyColumnSql(tableName string, col *core.Column) string {
-	return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
-		tableName, col.Name, db.SqlType(col))
+	if len(db.Schema) == 0 {
+		return fmt.Sprintf("alter table %s ALTER COLUMN %s TYPE %s",
+			tableName, col.Name, db.SqlType(col))
+	}
+	return fmt.Sprintf("alter table %s.%s ALTER COLUMN %s TYPE %s",
+		db.Schema, tableName, col.Name, db.SqlType(col))
 }
 
 func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
-	//var unique string
 	quote := db.Quote
 	idxName := index.Name
 
+	tableName = strings.Replace(tableName, `"`, "", -1)
+	tableName = strings.Replace(tableName, `.`, "_", -1)
+
 	if !strings.HasPrefix(idxName, "UQE_") &&
 		!strings.HasPrefix(idxName, "IDX_") {
 		if index.Type == core.UniqueType {
@@ -902,13 +924,21 @@ func (db *postgres) DropIndexSql(tableName string, index *core.Index) string {
 			idxName = fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
 		}
 	}
+	if db.Uri.Schema != "" {
+		idxName = db.Uri.Schema + "." + idxName
+	}
 	return fmt.Sprintf("DROP INDEX %v", quote(idxName))
 }
 
 func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
-	args := []interface{}{tableName, colName}
-	query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
-		" AND column_name = $2"
+	args := []interface{}{db.Schema, tableName, colName}
+	query := "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = $1 AND table_name = $2" +
+		" AND column_name = $3"
+	if len(db.Schema) == 0 {
+		args = []interface{}{tableName, colName}
+		query = "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
+			" AND column_name = $2"
+	}
 	db.LogSQL(query, args)
 
 	rows, err := db.DB().Query(query, args...)
@@ -921,8 +951,7 @@ func (db *postgres) IsColumnExist(tableName, colName string) (bool, error) {
 }
 
 func (db *postgres) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
-	// FIXME: the schema should be replaced by user custom's
-	args := []interface{}{tableName, "public"}
+	args := []interface{}{tableName}
 	s := `SELECT column_name, column_default, is_nullable, data_type, character_maximum_length, numeric_precision, numeric_precision_radix ,
     CASE WHEN p.contype = 'p' THEN true ELSE false END AS primarykey,
     CASE WHEN p.contype = 'u' THEN true ELSE false END AS uniquekey
@@ -933,7 +962,15 @@ FROM pg_attribute f
     LEFT JOIN pg_constraint p ON p.conrelid = c.oid AND f.attnum = ANY (p.conkey)
     LEFT JOIN pg_class AS g ON p.confrelid = g.oid
     LEFT JOIN INFORMATION_SCHEMA.COLUMNS s ON s.column_name=f.attname AND c.relname=s.table_name
-WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.attnum > 0 ORDER BY f.attnum;`
+WHERE c.relkind = 'r'::char AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.attnum;`
+
+	var f string
+	if len(db.Schema) != 0 {
+		args = append(args, db.Schema)
+		f = " AND s.table_schema = $2"
+	}
+	s = fmt.Sprintf(s, f)
+
 	db.LogSQL(s, args)
 
 	rows, err := db.DB().Query(s, args...)
@@ -1023,9 +1060,13 @@ WHERE c.relkind = 'r'::char AND c.relname = $1 AND s.table_schema = $2 AND f.att
 }
 
 func (db *postgres) GetTables() ([]*core.Table, error) {
-	// FIXME: replace public to user customrize schema
-	args := []interface{}{"public"}
-	s := fmt.Sprintf("SELECT tablename FROM pg_tables WHERE schemaname = $1")
+	args := []interface{}{}
+	s := "SELECT tablename FROM pg_tables"
+	if len(db.Schema) != 0 {
+		args = append(args, db.Schema)
+		s = s + " WHERE schemaname = $1"
+	}
+
 	db.LogSQL(s, args)
 
 	rows, err := db.DB().Query(s, args...)
@@ -1049,9 +1090,12 @@ func (db *postgres) GetTables() ([]*core.Table, error) {
 }
 
 func (db *postgres) GetIndexes(tableName string) (map[string]*core.Index, error) {
-	// FIXME: replace the public schema to user specify schema
-	args := []interface{}{"public", tableName}
-	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE schemaname=$1 AND tablename=$2")
+	args := []interface{}{tableName}
+	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE tablename=$1")
+	if len(db.Schema) != 0 {
+		args = append(args, db.Schema)
+		s = s + " AND schemaname=$2"
+	}
 	db.LogSQL(s, args)
 
 	rows, err := db.DB().Query(s, args...)
@@ -1179,3 +1223,15 @@ func (p *pqDriver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
 
 	return db, nil
 }
+
+type pqDriverPgx struct {
+	pqDriver
+}
+
+func (pgx *pqDriverPgx) Parse(driverName, dataSourceName string) (*core.Uri, error) {
+	// Remove the leading characters for driver to work
+	if len(dataSourceName) >= 9 && dataSourceName[0] == 0 {
+		dataSourceName = dataSourceName[9:]
+	}
+	return pgx.pqDriver.Parse(driverName, dataSourceName)
+}

vendor/github.com/go-xorm/xorm/dialect_sqlite3.go

@@ -233,7 +233,7 @@ func (db *sqlite3) TableCheckSql(tableName string) (string, []interface{}) {
 }
 
 func (db *sqlite3) DropIndexSql(tableName string, index *core.Index) string {
-	//var unique string
+	// var unique string
 	quote := db.Quote
 	idxName := index.Name
 
@@ -452,5 +452,9 @@ type sqlite3Driver struct {
 }
 
 func (p *sqlite3Driver) Parse(driverName, dataSourceName string) (*core.Uri, error) {
+	if strings.Contains(dataSourceName, "?") {
+		dataSourceName = dataSourceName[:strings.Index(dataSourceName, "?")]
+	}
+
 	return &core.Uri{DbType: core.SQLITE, DbName: dataSourceName}, nil
 }

vendor/github.com/go-xorm/xorm/engine.go

@@ -49,6 +49,35 @@ type Engine struct {
 	tagHandlers map[string]tagHandler
 
 	engineGroup *EngineGroup
+
+	cachers    map[string]core.Cacher
+	cacherLock sync.RWMutex
+}
+
+func (engine *Engine) setCacher(tableName string, cacher core.Cacher) {
+	engine.cacherLock.Lock()
+	engine.cachers[tableName] = cacher
+	engine.cacherLock.Unlock()
+}
+
+func (engine *Engine) SetCacher(tableName string, cacher core.Cacher) {
+	engine.setCacher(tableName, cacher)
+}
+
+func (engine *Engine) getCacher(tableName string) core.Cacher {
+	var cacher core.Cacher
+	var ok bool
+	engine.cacherLock.RLock()
+	cacher, ok = engine.cachers[tableName]
+	engine.cacherLock.RUnlock()
+	if !ok && !engine.disableGlobalCache {
+		cacher = engine.Cacher
+	}
+	return cacher
+}
+
+func (engine *Engine) GetCacher(tableName string) core.Cacher {
+	return engine.getCacher(tableName)
 }
 
 // BufferSize sets buffer size for iterate
@@ -148,6 +177,14 @@ func (engine *Engine) QuoteStr() string {
 	return engine.dialect.QuoteStr()
 }
 
+func (engine *Engine) quoteColumns(columnStr string) string {
+	columns := strings.Split(columnStr, ",")
+	for i := 0; i < len(columns); i++ {
+		columns[i] = engine.Quote(strings.TrimSpace(columns[i]))
+	}
+	return strings.Join(columns, ",")
+}
+
 // Quote Use QuoteStr quote the string sql
 func (engine *Engine) Quote(value string) string {
 	value = strings.TrimSpace(value)
@@ -165,7 +202,7 @@ func (engine *Engine) Quote(value string) string {
 }
 
 // QuoteTo quotes string and writes into the buffer
-func (engine *Engine) QuoteTo(buf *bytes.Buffer, value string) {
+func (engine *Engine) QuoteTo(buf *builder.StringBuilder, value string) {
 	if buf == nil {
 		return
 	}
@@ -208,6 +245,11 @@ func (engine *Engine) AutoIncrStr() string {
 	return engine.dialect.AutoIncrStr()
 }
 
+// SetConnMaxLifetime sets the maximum amount of time a connection may be reused.
+func (engine *Engine) SetConnMaxLifetime(d time.Duration) {
+	engine.db.SetConnMaxLifetime(d)
+}
+
 // SetMaxOpenConns is only available for go 1.2+
 func (engine *Engine) SetMaxOpenConns(conns int) {
 	engine.db.SetMaxOpenConns(conns)
@@ -245,13 +287,7 @@ func (engine *Engine) NoCascade() *Session {
 
 // MapCacher Set a table use a special cacher
 func (engine *Engine) MapCacher(bean interface{}, cacher core.Cacher) error {
-	v := rValue(bean)
-	tb, err := engine.autoMapType(v)
-	if err != nil {
-		return err
-	}
-
-	tb.Cacher = cacher
+	engine.setCacher(engine.TableName(bean, true), cacher)
 	return nil
 }
 
@@ -536,33 +572,6 @@ func (engine *Engine) dumpTables(tables []*core.Table, w io.Writer, tp ...core.D
 	return nil
 }
 
-func (engine *Engine) tableName(beanOrTableName interface{}) (string, error) {
-	v := rValue(beanOrTableName)
-	if v.Type().Kind() == reflect.String {
-		return beanOrTableName.(string), nil
-	} else if v.Type().Kind() == reflect.Struct {
-		return engine.tbName(v), nil
-	}
-	return "", errors.New("bean should be a struct or struct's point")
-}
-
-func (engine *Engine) tbName(v reflect.Value) string {
-	if tb, ok := v.Interface().(TableName); ok {
-		return tb.TableName()
-	}
-
-	if v.Type().Kind() == reflect.Ptr {
-		if tb, ok := reflect.Indirect(v).Interface().(TableName); ok {
-			return tb.TableName()
-		}
-	} else if v.CanAddr() {
-		if tb, ok := v.Addr().Interface().(TableName); ok {
-			return tb.TableName()
-		}
-	}
-	return engine.TableMapper.Obj2Table(reflect.Indirect(v).Type().Name())
-}
-
 // Cascade use cascade or not
 func (engine *Engine) Cascade(trueOrFalse ...bool) *Session {
 	session := engine.NewSession()
@@ -846,7 +855,7 @@ func (engine *Engine) TableInfo(bean interface{}) *Table {
 	if err != nil {
 		engine.logger.Error(err)
 	}
-	return &Table{tb, engine.tbName(v)}
+	return &Table{tb, engine.TableName(bean)}
 }
 
 func addIndex(indexName string, table *core.Table, col *core.Column, indexType int) {
@@ -861,15 +870,6 @@ func addIndex(indexName string, table *core.Table, col *core.Column, indexType i
 	}
 }
 
-func (engine *Engine) newTable() *core.Table {
-	table := core.NewEmptyTable()
-
-	if !engine.disableGlobalCache {
-		table.Cacher = engine.Cacher
-	}
-	return table
-}
-
 // TableName table name interface to define customerize table name
 type TableName interface {
 	TableName() string
@@ -881,21 +881,9 @@ var (
 
 func (engine *Engine) mapType(v reflect.Value) (*core.Table, error) {
 	t := v.Type()
-	table := engine.newTable()
-	if tb, ok := v.Interface().(TableName); ok {
-		table.Name = tb.TableName()
-	} else {
-		if v.CanAddr() {
-			if tb, ok = v.Addr().Interface().(TableName); ok {
-				table.Name = tb.TableName()
-			}
-		}
-		if table.Name == "" {
-			table.Name = engine.TableMapper.Obj2Table(t.Name())
-		}
-	}
-
+	table := core.NewEmptyTable()
 	table.Type = t
+	table.Name = engine.tbNameForMap(v)
 
 	var idFieldColName string
 	var hasCacheTag, hasNoCacheTag bool
@@ -1049,15 +1037,15 @@ func (engine *Engine) mapType(v reflect.Value) (*core.Table, error) {
 	if hasCacheTag {
 		if engine.Cacher != nil { // !nash! use engine's cacher if provided
 			engine.logger.Info("enable cache on table:", table.Name)
-			table.Cacher = engine.Cacher
+			engine.setCacher(table.Name, engine.Cacher)
 		} else {
 			engine.logger.Info("enable LRU cache on table:", table.Name)
-			table.Cacher = NewLRUCacher2(NewMemoryStore(), time.Hour, 10000) // !nashtsai! HACK use LRU cacher for now
+			engine.setCacher(table.Name, NewLRUCacher2(NewMemoryStore(), time.Hour, 10000))
 		}
 	}
 	if hasNoCacheTag {
-		engine.logger.Info("no cache on table:", table.Name)
-		table.Cacher = nil
+		engine.logger.Info("disable cache on table:", table.Name)
+		engine.setCacher(table.Name, nil)
 	}
 
 	return table, nil
@@ -1116,7 +1104,25 @@ func (engine *Engine) idOfV(rv reflect.Value) (core.PK, error) {
 	pk := make([]interface{}, len(table.PrimaryKeys))
 	for i, col := range table.PKColumns() {
 		var err error
-		pkField := v.FieldByName(col.FieldName)
+
+		fieldName := col.FieldName
+		for {
+			parts := strings.SplitN(fieldName, ".", 2)
+			if len(parts) == 1 {
+				break
+			}
+
+			v = v.FieldByName(parts[0])
+			if v.Kind() == reflect.Ptr {
+				v = v.Elem()
+			}
+			if v.Kind() != reflect.Struct {
+				return nil, ErrUnSupportedType
+			}
+			fieldName = parts[1]
+		}
+
+		pkField := v.FieldByName(fieldName)
 		switch pkField.Kind() {
 		case reflect.String:
 			pk[i], err = engine.idTypeAssertion(col, pkField.String())
@@ -1162,26 +1168,10 @@ func (engine *Engine) CreateUniques(bean interface{}) error {
 	return session.CreateUniques(bean)
 }
 
-func (engine *Engine) getCacher2(table *core.Table) core.Cacher {
-	return table.Cacher
-}
-
 // ClearCacheBean if enabled cache, clear the cache bean
 func (engine *Engine) ClearCacheBean(bean interface{}, id string) error {
-	v := rValue(bean)
-	t := v.Type()
-	if t.Kind() != reflect.Struct {
-		return errors.New("error params")
-	}
-	tableName := engine.tbName(v)
-	table, err := engine.autoMapType(v)
-	if err != nil {
-		return err
-	}
-	cacher := table.Cacher
-	if cacher == nil {
-		cacher = engine.Cacher
-	}
+	tableName := engine.TableName(bean)
+	cacher := engine.getCacher(tableName)
 	if cacher != nil {
 		cacher.ClearIds(tableName)
 		cacher.DelBean(tableName, id)
@@ -1192,21 +1182,8 @@ func (engine *Engine) ClearCacheBean(bean interface{}, id string) error {
 // ClearCache if enabled cache, clear some tables' cache
 func (engine *Engine) ClearCache(beans ...interface{}) error {
 	for _, bean := range beans {
-		v := rValue(bean)
-		t := v.Type()
-		if t.Kind() != reflect.Struct {
-			return errors.New("error params")
-		}
-		tableName := engine.tbName(v)
-		table, err := engine.autoMapType(v)
-		if err != nil {
-			return err
-		}
-
-		cacher := table.Cacher
-		if cacher == nil {
-			cacher = engine.Cacher
-		}
+		tableName := engine.TableName(bean)
+		cacher := engine.getCacher(tableName)
 		if cacher != nil {
 			cacher.ClearIds(tableName)
 			cacher.ClearBeans(tableName)
@@ -1224,13 +1201,13 @@ func (engine *Engine) Sync(beans ...interface{}) error {
 
 	for _, bean := range beans {
 		v := rValue(bean)
-		tableName := engine.tbName(v)
+		tableNameNoSchema := engine.TableName(bean)
 		table, err := engine.autoMapType(v)
 		if err != nil {
 			return err
 		}
 
-		isExist, err := session.Table(bean).isTableExist(tableName)
+		isExist, err := session.Table(bean).isTableExist(tableNameNoSchema)
 		if err != nil {
 			return err
 		}
@@ -1256,12 +1233,12 @@ func (engine *Engine) Sync(beans ...interface{}) error {
 			}
 		} else {
 			for _, col := range table.Columns() {
-				isExist, err := engine.dialect.IsColumnExist(tableName, col.Name)
+				isExist, err := engine.dialect.IsColumnExist(tableNameNoSchema, col.Name)
 				if err != nil {
 					return err
 				}
 				if !isExist {
-					if err := session.statement.setRefValue(v); err != nil {
+					if err := session.statement.setRefBean(bean); err != nil {
 						return err
 					}
 					err = session.addColumn(col.Name)
@@ -1272,35 +1249,35 @@ func (engine *Engine) Sync(beans ...interface{}) error {
 			}
 
 			for name, index := range table.Indexes {
-				if err := session.statement.setRefValue(v); err != nil {
+				if err := session.statement.setRefBean(bean); err != nil {
 					return err
 				}
 				if index.Type == core.UniqueType {
-					isExist, err := session.isIndexExist2(tableName, index.Cols, true)
+					isExist, err := session.isIndexExist2(tableNameNoSchema, index.Cols, true)
 					if err != nil {
 						return err
 					}
 					if !isExist {
-						if err := session.statement.setRefValue(v); err != nil {
+						if err := session.statement.setRefBean(bean); err != nil {
 							return err
 						}
 
-						err = session.addUnique(tableName, name)
+						err = session.addUnique(tableNameNoSchema, name)
 						if err != nil {
 							return err
 						}
 					}
 				} else if index.Type == core.IndexType {
-					isExist, err := session.isIndexExist2(tableName, index.Cols, false)
+					isExist, err := session.isIndexExist2(tableNameNoSchema, index.Cols, false)
 					if err != nil {
 						return err
 					}
 					if !isExist {
-						if err := session.statement.setRefValue(v); err != nil {
+						if err := session.statement.setRefBean(bean); err != nil {
 							return err
 						}
 
-						err = session.addIndex(tableName, name)
+						err = session.addIndex(tableNameNoSchema, name)
 						if err != nil {
 							return err
 						}
@@ -1369,10 +1346,10 @@ func (engine *Engine) DropIndexes(bean interface{}) error {
 }
 
 // Exec raw sql
-func (engine *Engine) Exec(sql string, args ...interface{}) (sql.Result, error) {
+func (engine *Engine) Exec(sqlorArgs ...interface{}) (sql.Result, error) {
 	session := engine.NewSession()
 	defer session.Close()
-	return session.Exec(sql, args...)
+	return session.Exec(sqlorArgs...)
 }
 
 // Query a raw sql and return records as []map[string][]byte
@@ -1453,6 +1430,13 @@ func (engine *Engine) Find(beans interface{}, condiBeans ...interface{}) error {
 	return session.Find(beans, condiBeans...)
 }
 
+// FindAndCount find the results and also return the counts
+func (engine *Engine) FindAndCount(rowsSlicePtr interface{}, condiBean ...interface{}) (int64, error) {
+	session := engine.NewSession()
+	defer session.Close()
+	return session.FindAndCount(rowsSlicePtr, condiBean...)
+}
+
 // Iterate record by record handle records from table, bean's non-empty fields
 // are conditions.
 func (engine *Engine) Iterate(bean interface{}, fun IterFunc) error {
@@ -1629,6 +1613,11 @@ func (engine *Engine) SetTZDatabase(tz *time.Location) {
 	engine.DatabaseTZ = tz
 }
 
+// SetSchema sets the schema of database
+func (engine *Engine) SetSchema(schema string) {
+	engine.dialect.URI().Schema = schema
+}
+
 // Unscoped always disable struct tag "deleted"
 func (engine *Engine) Unscoped() *Session {
 	session := engine.NewSession()

vendor/github.com/go-xorm/xorm/engine_cond.go

@@ -9,6 +9,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/go-xorm/builder"
@@ -51,7 +52,9 @@ func (engine *Engine) buildConds(table *core.Table, bean interface{},
 
 		fieldValuePtr, err := col.ValueOf(bean)
 		if err != nil {
-			engine.logger.Error(err)
+			if !strings.Contains(err.Error(), "is not valid") {
+				engine.logger.Warn(err)
+			}
 			continue
 		}
 

vendor/github.com/go-xorm/xorm/engine_group.go

@@ -5,6 +5,8 @@
 package xorm
 
 import (
+	"time"
+
 	"github.com/go-xorm/core"
 )
 
@@ -99,6 +101,14 @@ func (eg *EngineGroup) SetColumnMapper(mapper core.IMapper) {
 	}
 }
 
+// SetConnMaxLifetime sets the maximum amount of time a connection may be reused.
+func (eg *EngineGroup) SetConnMaxLifetime(d time.Duration) {
+	eg.Engine.SetConnMaxLifetime(d)
+	for i := 0; i < len(eg.slaves); i++ {
+		eg.slaves[i].SetConnMaxLifetime(d)
+	}
+}
+
 // SetDefaultCacher set the default cacher
 func (eg *EngineGroup) SetDefaultCacher(cacher core.Cacher) {
 	eg.Engine.SetDefaultCacher(cacher)

vendor/github.com/go-xorm/xorm/engine_maxlife.go

@@ -1,22 +0,0 @@
-// Copyright 2017 The Xorm Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build go1.6
-
-package xorm
-
-import "time"
-
-// SetConnMaxLifetime sets the maximum amount of time a connection may be reused.
-func (engine *Engine) SetConnMaxLifetime(d time.Duration) {
-	engine.db.SetConnMaxLifetime(d)
-}
-
-// SetConnMaxLifetime sets the maximum amount of time a connection may be reused.
-func (eg *EngineGroup) SetConnMaxLifetime(d time.Duration) {
-	eg.Engine.SetConnMaxLifetime(d)
-	for i := 0; i < len(eg.slaves); i++ {
-		eg.slaves[i].SetConnMaxLifetime(d)
-	}
-}

vendor/github.com/go-xorm/xorm/engine_table.go

@@ -0,0 +1,113 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/go-xorm/core"
+)
+
+// TableNameWithSchema will automatically add schema prefix on table name
+func (engine *Engine) tbNameWithSchema(v string) string {
+	// Add schema name as prefix of table name.
+	// Only for postgres database.
+	if engine.dialect.DBType() == core.POSTGRES &&
+		engine.dialect.URI().Schema != "" &&
+		engine.dialect.URI().Schema != postgresPublicSchema &&
+		strings.Index(v, ".") == -1 {
+		return engine.dialect.URI().Schema + "." + v
+	}
+	return v
+}
+
+// TableName returns table name with schema prefix if has
+func (engine *Engine) TableName(bean interface{}, includeSchema ...bool) string {
+	tbName := engine.tbNameNoSchema(bean)
+	if len(includeSchema) > 0 && includeSchema[0] {
+		tbName = engine.tbNameWithSchema(tbName)
+	}
+
+	return tbName
+}
+
+// tbName get some table's table name
+func (session *Session) tbNameNoSchema(table *core.Table) string {
+	if len(session.statement.AltTableName) > 0 {
+		return session.statement.AltTableName
+	}
+
+	return table.Name
+}
+
+func (engine *Engine) tbNameForMap(v reflect.Value) string {
+	if v.Type().Implements(tpTableName) {
+		return v.Interface().(TableName).TableName()
+	}
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+		if v.Type().Implements(tpTableName) {
+			return v.Interface().(TableName).TableName()
+		}
+	}
+
+	return engine.TableMapper.Obj2Table(v.Type().Name())
+}
+
+func (engine *Engine) tbNameNoSchema(tablename interface{}) string {
+	switch tablename.(type) {
+	case []string:
+		t := tablename.([]string)
+		if len(t) > 1 {
+			return fmt.Sprintf("%v AS %v", engine.Quote(t[0]), engine.Quote(t[1]))
+		} else if len(t) == 1 {
+			return engine.Quote(t[0])
+		}
+	case []interface{}:
+		t := tablename.([]interface{})
+		l := len(t)
+		var table string
+		if l > 0 {
+			f := t[0]
+			switch f.(type) {
+			case string:
+				table = f.(string)
+			case TableName:
+				table = f.(TableName).TableName()
+			default:
+				v := rValue(f)
+				t := v.Type()
+				if t.Kind() == reflect.Struct {
+					table = engine.tbNameForMap(v)
+				} else {
+					table = engine.Quote(fmt.Sprintf("%v", f))
+				}
+			}
+		}
+		if l > 1 {
+			return fmt.Sprintf("%v AS %v", engine.Quote(table),
+				engine.Quote(fmt.Sprintf("%v", t[1])))
+		} else if l == 1 {
+			return engine.Quote(table)
+		}
+	case TableName:
+		return tablename.(TableName).TableName()
+	case string:
+		return tablename.(string)
+	case reflect.Value:
+		v := tablename.(reflect.Value)
+		return engine.tbNameForMap(v)
+	default:
+		v := rValue(tablename)
+		t := v.Type()
+		if t.Kind() == reflect.Struct {
+			return engine.tbNameForMap(v)
+		}
+		return engine.Quote(fmt.Sprintf("%v", tablename))
+	}
+	return ""
+}

vendor/github.com/go-xorm/xorm/error.go

@@ -6,23 +6,44 @@ package xorm
 
 import (
 	"errors"
+	"fmt"
 )
 
 var (
 	// ErrParamsType params error
 	ErrParamsType = errors.New("Params type error")
 	// ErrTableNotFound table not found error
-	ErrTableNotFound = errors.New("Not found table")
+	ErrTableNotFound = errors.New("Table not found")
 	// ErrUnSupportedType unsupported error
 	ErrUnSupportedType = errors.New("Unsupported type error")
-	// ErrNotExist record is not exist error
-	ErrNotExist = errors.New("Not exist error")
+	// ErrNotExist record does not exist error
+	ErrNotExist = errors.New("Record does not exist")
 	// ErrCacheFailed cache failed error
 	ErrCacheFailed = errors.New("Cache failed")
 	// ErrNeedDeletedCond delete needs less one condition error
-	ErrNeedDeletedCond = errors.New("Delete need at least one condition")
+	ErrNeedDeletedCond = errors.New("Delete action needs at least one condition")
 	// ErrNotImplemented not implemented
 	ErrNotImplemented = errors.New("Not implemented")
 	// ErrConditionType condition type unsupported
-	ErrConditionType = errors.New("Unsupported conditon type")
+	ErrConditionType = errors.New("Unsupported condition type")
 )
+
+// ErrFieldIsNotExist columns does not exist
+type ErrFieldIsNotExist struct {
+	FieldName string
+	TableName string
+}
+
+func (e ErrFieldIsNotExist) Error() string {
+	return fmt.Sprintf("field %s is not valid on table %s", e.FieldName, e.TableName)
+}
+
+// ErrFieldIsNotValid is not valid
+type ErrFieldIsNotValid struct {
+	FieldName string
+	TableName string
+}
+
+func (e ErrFieldIsNotValid) Error() string {
+	return fmt.Sprintf("field %s is not valid on table %s", e.FieldName, e.TableName)
+}

vendor/github.com/go-xorm/xorm/helpers.go

@@ -11,7 +11,6 @@ import (
 	"sort"
 	"strconv"
 	"strings"
-	"time"
 
 	"github.com/go-xorm/core"
 )
@@ -293,19 +292,6 @@ func structName(v reflect.Type) string {
 	return v.Name()
 }
 
-func col2NewCols(columns ...string) []string {
-	newColumns := make([]string, 0, len(columns))
-	for _, col := range columns {
-		col = strings.Replace(col, "`", "", -1)
-		col = strings.Replace(col, `"`, "", -1)
-		ccols := strings.Split(col, ",")
-		for _, c := range ccols {
-			newColumns = append(newColumns, strings.TrimSpace(c))
-		}
-	}
-	return newColumns
-}
-
 func sliceEq(left, right []string) bool {
 	if len(left) != len(right) {
 		return false
@@ -320,154 +306,6 @@ func sliceEq(left, right []string) bool {
 	return true
 }
 
-func setColumnInt(bean interface{}, col *core.Column, t int64) {
-	v, err := col.ValueOf(bean)
-	if err != nil {
-		return
-	}
-	if v.CanSet() {
-		switch v.Type().Kind() {
-		case reflect.Int, reflect.Int64, reflect.Int32:
-			v.SetInt(t)
-		case reflect.Uint, reflect.Uint64, reflect.Uint32:
-			v.SetUint(uint64(t))
-		}
-	}
-}
-
-func setColumnTime(bean interface{}, col *core.Column, t time.Time) {
-	v, err := col.ValueOf(bean)
-	if err != nil {
-		return
-	}
-	if v.CanSet() {
-		switch v.Type().Kind() {
-		case reflect.Struct:
-			v.Set(reflect.ValueOf(t).Convert(v.Type()))
-		case reflect.Int, reflect.Int64, reflect.Int32:
-			v.SetInt(t.Unix())
-		case reflect.Uint, reflect.Uint64, reflect.Uint32:
-			v.SetUint(uint64(t.Unix()))
-		}
-	}
-}
-
-func genCols(table *core.Table, session *Session, bean interface{}, useCol bool, includeQuote bool) ([]string, []interface{}, error) {
-	colNames := make([]string, 0, len(table.ColumnsSeq()))
-	args := make([]interface{}, 0, len(table.ColumnsSeq()))
-
-	for _, col := range table.Columns() {
-		if useCol && !col.IsVersion && !col.IsCreated && !col.IsUpdated {
-			if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
-				continue
-			}
-		}
-		if col.MapType == core.ONLYFROMDB {
-			continue
-		}
-
-		fieldValuePtr, err := col.ValueOf(bean)
-		if err != nil {
-			return nil, nil, err
-		}
-		fieldValue := *fieldValuePtr
-
-		if col.IsAutoIncrement {
-			switch fieldValue.Type().Kind() {
-			case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int, reflect.Int64:
-				if fieldValue.Int() == 0 {
-					continue
-				}
-			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint, reflect.Uint64:
-				if fieldValue.Uint() == 0 {
-					continue
-				}
-			case reflect.String:
-				if len(fieldValue.String()) == 0 {
-					continue
-				}
-			case reflect.Ptr:
-				if fieldValue.Pointer() == 0 {
-					continue
-				}
-			}
-		}
-
-		if col.IsDeleted {
-			continue
-		}
-
-		if session.statement.ColumnStr != "" {
-			if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
-				continue
-			} else if _, ok := session.statement.incrColumns[col.Name]; ok {
-				continue
-			} else if _, ok := session.statement.decrColumns[col.Name]; ok {
-				continue
-			}
-		}
-		if session.statement.OmitStr != "" {
-			if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
-				continue
-			}
-		}
-
-		// !evalphobia! set fieldValue as nil when column is nullable and zero-value
-		if _, ok := getFlagForColumn(session.statement.nullableMap, col); ok {
-			if col.Nullable && isZero(fieldValue.Interface()) {
-				var nilValue *int
-				fieldValue = reflect.ValueOf(nilValue)
-			}
-		}
-
-		if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime /*&& isZero(fieldValue.Interface())*/ {
-			// if time is non-empty, then set to auto time
-			val, t := session.engine.nowTime(col)
-			args = append(args, val)
-
-			var colName = col.Name
-			session.afterClosures = append(session.afterClosures, func(bean interface{}) {
-				col := table.GetColumn(colName)
-				setColumnTime(bean, col, t)
-			})
-		} else if col.IsVersion && session.statement.checkVersion {
-			args = append(args, 1)
-		} else {
-			arg, err := session.value2Interface(col, fieldValue)
-			if err != nil {
-				return colNames, args, err
-			}
-			args = append(args, arg)
-		}
-
-		if includeQuote {
-			colNames = append(colNames, session.engine.Quote(col.Name)+" = ?")
-		} else {
-			colNames = append(colNames, col.Name)
-		}
-	}
-	return colNames, args, nil
-}
-
 func indexName(tableName, idxName string) string {
 	return fmt.Sprintf("IDX_%v_%v", tableName, idxName)
 }
-
-func getFlagForColumn(m map[string]bool, col *core.Column) (val bool, has bool) {
-	if len(m) == 0 {
-		return false, false
-	}
-
-	n := len(col.Name)
-
-	for mk := range m {
-		if len(mk) != n {
-			continue
-		}
-		if strings.EqualFold(mk, col.Name) {
-			return m[mk], true
-		}
-	}
-
-	return false, false
-}

vendor/github.com/go-xorm/xorm/interface.go

@@ -27,9 +27,10 @@ type Interface interface {
 	Delete(interface{}) (int64, error)
 	Distinct(columns ...string) *Session
 	DropIndexes(bean interface{}) error
-	Exec(string, ...interface{}) (sql.Result, error)
+	Exec(sqlOrAgrs ...interface{}) (sql.Result, error)
 	Exist(bean ...interface{}) (bool, error)
 	Find(interface{}, ...interface{}) error
+	FindAndCount(interface{}, ...interface{}) (int64, error)
 	Get(interface{}) (bool, error)
 	GroupBy(keys string) *Session
 	ID(interface{}) *Session
@@ -41,6 +42,7 @@ type Interface interface {
 	IsTableExist(beanOrTableName interface{}) (bool, error)
 	Iterate(interface{}, IterFunc) error
 	Limit(int, ...int) *Session
+	MustCols(columns ...string) *Session
 	NoAutoCondition(...bool) *Session
 	NotIn(string, ...interface{}) *Session
 	Join(joinOperator string, tablename interface{}, condition string, args ...interface{}) *Session
@@ -70,29 +72,40 @@ type EngineInterface interface {
 
 	Before(func(interface{})) *Session
 	Charset(charset string) *Session
+	ClearCache(...interface{}) error
 	CreateTables(...interface{}) error
 	DBMetas() ([]*core.Table, error)
 	Dialect() core.Dialect
 	DropTables(...interface{}) error
 	DumpAllToFile(fp string, tp ...core.DbType) error
+	GetCacher(string) core.Cacher
 	GetColumnMapper() core.IMapper
 	GetDefaultCacher() core.Cacher
 	GetTableMapper() core.IMapper
 	GetTZDatabase() *time.Location
 	GetTZLocation() *time.Location
+	MapCacher(interface{}, core.Cacher) error
 	NewSession() *Session
 	NoAutoTime() *Session
 	Quote(string) string
+	SetCacher(string, core.Cacher)
+	SetConnMaxLifetime(time.Duration)
 	SetDefaultCacher(core.Cacher)
+	SetLogger(logger core.ILogger)
 	SetLogLevel(core.LogLevel)
 	SetMapper(core.IMapper)
+	SetMaxOpenConns(int)
+	SetMaxIdleConns(int)
+	SetSchema(string)
 	SetTZDatabase(tz *time.Location)
 	SetTZLocation(tz *time.Location)
+	ShowExecTime(...bool)
 	ShowSQL(show ...bool)
 	Sync(...interface{}) error
 	Sync2(...interface{}) error
 	StoreEngine(storeEngine string) *Session
 	TableInfo(bean interface{}) *Table
+	TableName(interface{}, ...bool) string
 	UnMapType(reflect.Type)
 }
 

vendor/github.com/go-xorm/xorm/rows.go

@@ -32,7 +32,7 @@ func newRows(session *Session, bean interface{}) (*Rows, error) {
 	var args []interface{}
 	var err error
 
-	if err = rows.session.statement.setRefValue(rValue(bean)); err != nil {
+	if err = rows.session.statement.setRefBean(bean); err != nil {
 		return nil, err
 	}
 
@@ -94,8 +94,7 @@ func (rows *Rows) Scan(bean interface{}) error {
 		return fmt.Errorf("scan arg is incompatible type to [%v]", rows.beanType)
 	}
 
-	dataStruct := rValue(bean)
-	if err := rows.session.statement.setRefValue(dataStruct); err != nil {
+	if err := rows.session.statement.setRefBean(bean); err != nil {
 		return err
 	}
 
@@ -104,6 +103,7 @@ func (rows *Rows) Scan(bean interface{}) error {
 		return err
 	}
 
+	dataStruct := rValue(bean)
 	_, err = rows.session.slice2Bean(scanResults, rows.fields, bean, &dataStruct, rows.session.statement.RefTable)
 	if err != nil {
 		return err

vendor/github.com/go-xorm/xorm/session.go

@@ -102,6 +102,12 @@ func (session *Session) Close() {
 	}
 }
 
+// ContextCache enable context cache or not
+func (session *Session) ContextCache(context ContextCache) *Session {
+	session.statement.context = context
+	return session
+}
+
 // IsClosed returns if session is closed
 func (session *Session) IsClosed() bool {
 	return session.db == nil
@@ -278,24 +284,22 @@ func (session *Session) doPrepare(db *core.DB, sqlStr string) (stmt *core.Stmt,
 	return
 }
 
-func (session *Session) getField(dataStruct *reflect.Value, key string, table *core.Table, idx int) *reflect.Value {
+func (session *Session) getField(dataStruct *reflect.Value, key string, table *core.Table, idx int) (*reflect.Value, error) {
 	var col *core.Column
 	if col = table.GetColumnIdx(key, idx); col == nil {
-		//session.engine.logger.Warnf("table %v has no column %v. %v", table.Name, key, table.ColumnsSeq())
-		return nil
+		return nil, ErrFieldIsNotExist{key, table.Name}
 	}
 
 	fieldValue, err := col.ValueOfV(dataStruct)
 	if err != nil {
-		session.engine.logger.Error(err)
-		return nil
+		return nil, err
 	}
 
 	if !fieldValue.IsValid() || !fieldValue.CanSet() {
-		session.engine.logger.Warnf("table %v's column %v is not valid or cannot set", table.Name, key)
-		return nil
+		return nil, ErrFieldIsNotValid{key, table.Name}
 	}
-	return fieldValue
+
+	return fieldValue, nil
 }
 
 // Cell cell is a result of one column field
@@ -407,409 +411,417 @@ func (session *Session) slice2Bean(scanResults []interface{}, fields []string, b
 		}
 		tempMap[lKey] = idx
 
-		if fieldValue := session.getField(dataStruct, key, table, idx); fieldValue != nil {
-			rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
-
-			// if row is null then ignore
-			if rawValue.Interface() == nil {
-				continue
+		fieldValue, err := session.getField(dataStruct, key, table, idx)
+		if err != nil {
+			if !strings.Contains(err.Error(), "is not valid") {
+				session.engine.logger.Warn(err)
 			}
+			continue
+		}
+		if fieldValue == nil {
+			continue
+		}
+		rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
 
-			if fieldValue.CanAddr() {
-				if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
-					if data, err := value2Bytes(&rawValue); err == nil {
-						if err := structConvert.FromDB(data); err != nil {
-							return nil, err
-						}
-					} else {
+		// if row is null then ignore
+		if rawValue.Interface() == nil {
+			continue
+		}
+
+		if fieldValue.CanAddr() {
+			if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
+				if data, err := value2Bytes(&rawValue); err == nil {
+					if err := structConvert.FromDB(data); err != nil {
 						return nil, err
 					}
-					continue
-				}
-			}
-
-			if _, ok := fieldValue.Interface().(core.Conversion); ok {
-				if data, err := value2Bytes(&rawValue); err == nil {
-					if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
-						fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
-					}
-					fieldValue.Interface().(core.Conversion).FromDB(data)
 				} else {
 					return nil, err
 				}
 				continue
 			}
+		}
 
-			rawValueType := reflect.TypeOf(rawValue.Interface())
-			vv := reflect.ValueOf(rawValue.Interface())
-			col := table.GetColumnIdx(key, idx)
-			if col.IsPrimaryKey {
-				pk = append(pk, rawValue.Interface())
+		if _, ok := fieldValue.Interface().(core.Conversion); ok {
+			if data, err := value2Bytes(&rawValue); err == nil {
+				if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
+					fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
+				}
+				fieldValue.Interface().(core.Conversion).FromDB(data)
+			} else {
+				return nil, err
 			}
-			fieldType := fieldValue.Type()
-			hasAssigned := false
+			continue
+		}
 
-			if col.SQLType.IsJson() {
-				var bs []byte
-				if rawValueType.Kind() == reflect.String {
-					bs = []byte(vv.String())
-				} else if rawValueType.ConvertibleTo(core.BytesType) {
-					bs = vv.Bytes()
+		rawValueType := reflect.TypeOf(rawValue.Interface())
+		vv := reflect.ValueOf(rawValue.Interface())
+		col := table.GetColumnIdx(key, idx)
+		if col.IsPrimaryKey {
+			pk = append(pk, rawValue.Interface())
+		}
+		fieldType := fieldValue.Type()
+		hasAssigned := false
+
+		if col.SQLType.IsJson() {
+			var bs []byte
+			if rawValueType.Kind() == reflect.String {
+				bs = []byte(vv.String())
+			} else if rawValueType.ConvertibleTo(core.BytesType) {
+				bs = vv.Bytes()
+			} else {
+				return nil, fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
+			}
+
+			hasAssigned = true
+
+			if len(bs) > 0 {
+				if fieldType.Kind() == reflect.String {
+					fieldValue.SetString(string(bs))
+					continue
+				}
+				if fieldValue.CanAddr() {
+					err := json.Unmarshal(bs, fieldValue.Addr().Interface())
+					if err != nil {
+						return nil, err
+					}
 				} else {
-					return nil, fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
-				}
-
-				hasAssigned = true
-
-				if len(bs) > 0 {
-					if fieldType.Kind() == reflect.String {
-						fieldValue.SetString(string(bs))
-						continue
-					}
-					if fieldValue.CanAddr() {
-						err := json.Unmarshal(bs, fieldValue.Addr().Interface())
-						if err != nil {
-							return nil, err
-						}
-					} else {
-						x := reflect.New(fieldType)
-						err := json.Unmarshal(bs, x.Interface())
-						if err != nil {
-							return nil, err
-						}
-						fieldValue.Set(x.Elem())
+					x := reflect.New(fieldType)
+					err := json.Unmarshal(bs, x.Interface())
+					if err != nil {
+						return nil, err
 					}
+					fieldValue.Set(x.Elem())
 				}
-
-				continue
 			}
 
-			switch fieldType.Kind() {
-			case reflect.Complex64, reflect.Complex128:
-				// TODO: reimplement this
-				var bs []byte
-				if rawValueType.Kind() == reflect.String {
-					bs = []byte(vv.String())
-				} else if rawValueType.ConvertibleTo(core.BytesType) {
-					bs = vv.Bytes()
-				}
+			continue
+		}
 
-				hasAssigned = true
-				if len(bs) > 0 {
-					if fieldValue.CanAddr() {
-						err := json.Unmarshal(bs, fieldValue.Addr().Interface())
-						if err != nil {
-							return nil, err
-						}
-					} else {
-						x := reflect.New(fieldType)
-						err := json.Unmarshal(bs, x.Interface())
-						if err != nil {
-							return nil, err
-						}
-						fieldValue.Set(x.Elem())
+		switch fieldType.Kind() {
+		case reflect.Complex64, reflect.Complex128:
+			// TODO: reimplement this
+			var bs []byte
+			if rawValueType.Kind() == reflect.String {
+				bs = []byte(vv.String())
+			} else if rawValueType.ConvertibleTo(core.BytesType) {
+				bs = vv.Bytes()
+			}
+
+			hasAssigned = true
+			if len(bs) > 0 {
+				if fieldValue.CanAddr() {
+					err := json.Unmarshal(bs, fieldValue.Addr().Interface())
+					if err != nil {
+						return nil, err
 					}
+				} else {
+					x := reflect.New(fieldType)
+					err := json.Unmarshal(bs, x.Interface())
+					if err != nil {
+						return nil, err
+					}
+					fieldValue.Set(x.Elem())
 				}
+			}
+		case reflect.Slice, reflect.Array:
+			switch rawValueType.Kind() {
 			case reflect.Slice, reflect.Array:
-				switch rawValueType.Kind() {
-				case reflect.Slice, reflect.Array:
-					switch rawValueType.Elem().Kind() {
-					case reflect.Uint8:
-						if fieldType.Elem().Kind() == reflect.Uint8 {
-							hasAssigned = true
-							if col.SQLType.IsText() {
-								x := reflect.New(fieldType)
-								err := json.Unmarshal(vv.Bytes(), x.Interface())
-								if err != nil {
-									return nil, err
-								}
-								fieldValue.Set(x.Elem())
-							} else {
-								if fieldValue.Len() > 0 {
-									for i := 0; i < fieldValue.Len(); i++ {
-										if i < vv.Len() {
-											fieldValue.Index(i).Set(vv.Index(i))
-										}
-									}
-								} else {
-									for i := 0; i < vv.Len(); i++ {
-										fieldValue.Set(reflect.Append(*fieldValue, vv.Index(i)))
-									}
-								}
-							}
-						}
-					}
-				}
-			case reflect.String:
-				if rawValueType.Kind() == reflect.String {
-					hasAssigned = true
-					fieldValue.SetString(vv.String())
-				}
-			case reflect.Bool:
-				if rawValueType.Kind() == reflect.Bool {
-					hasAssigned = true
-					fieldValue.SetBool(vv.Bool())
-				}
-			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-				switch rawValueType.Kind() {
-				case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-					hasAssigned = true
-					fieldValue.SetInt(vv.Int())
-				}
-			case reflect.Float32, reflect.Float64:
-				switch rawValueType.Kind() {
-				case reflect.Float32, reflect.Float64:
-					hasAssigned = true
-					fieldValue.SetFloat(vv.Float())
-				}
-			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-				switch rawValueType.Kind() {
-				case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-					hasAssigned = true
-					fieldValue.SetUint(vv.Uint())
-				case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-					hasAssigned = true
-					fieldValue.SetUint(uint64(vv.Int()))
-				}
-			case reflect.Struct:
-				if fieldType.ConvertibleTo(core.TimeType) {
-					dbTZ := session.engine.DatabaseTZ
-					if col.TimeZone != nil {
-						dbTZ = col.TimeZone
-					}
-
-					if rawValueType == core.TimeType {
+				switch rawValueType.Elem().Kind() {
+				case reflect.Uint8:
+					if fieldType.Elem().Kind() == reflect.Uint8 {
 						hasAssigned = true
-
-						t := vv.Convert(core.TimeType).Interface().(time.Time)
-
-						z, _ := t.Zone()
-						// set new location if database don't save timezone or give an incorrect timezone
-						if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbTZ.String() { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
-							session.engine.logger.Debugf("empty zone key[%v] : %v | zone: %v | location: %+v\n", key, t, z, *t.Location())
-							t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
-								t.Minute(), t.Second(), t.Nanosecond(), dbTZ)
-						}
-
-						t = t.In(session.engine.TZLocation)
-						fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
-					} else if rawValueType == core.IntType || rawValueType == core.Int64Type ||
-						rawValueType == core.Int32Type {
-						hasAssigned = true
-
-						t := time.Unix(vv.Int(), 0).In(session.engine.TZLocation)
-						fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
-					} else {
-						if d, ok := vv.Interface().([]uint8); ok {
-							hasAssigned = true
-							t, err := session.byte2Time(col, d)
-							if err != nil {
-								session.engine.logger.Error("byte2Time error:", err.Error())
-								hasAssigned = false
-							} else {
-								fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
-							}
-						} else if d, ok := vv.Interface().(string); ok {
-							hasAssigned = true
-							t, err := session.str2Time(col, d)
-							if err != nil {
-								session.engine.logger.Error("byte2Time error:", err.Error())
-								hasAssigned = false
-							} else {
-								fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
-							}
-						} else {
-							return nil, fmt.Errorf("rawValueType is %v, value is %v", rawValueType, vv.Interface())
-						}
-					}
-				} else if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
-					// !<winxxp>! 增加支持sql.Scanner接口的结构，如sql.NullString
-					hasAssigned = true
-					if err := nulVal.Scan(vv.Interface()); err != nil {
-						session.engine.logger.Error("sql.Sanner error:", err.Error())
-						hasAssigned = false
-					}
-				} else if col.SQLType.IsJson() {
-					if rawValueType.Kind() == reflect.String {
-						hasAssigned = true
-						x := reflect.New(fieldType)
-						if len([]byte(vv.String())) > 0 {
-							err := json.Unmarshal([]byte(vv.String()), x.Interface())
-							if err != nil {
-								return nil, err
-							}
-							fieldValue.Set(x.Elem())
-						}
-					} else if rawValueType.Kind() == reflect.Slice {
-						hasAssigned = true
-						x := reflect.New(fieldType)
-						if len(vv.Bytes()) > 0 {
+						if col.SQLType.IsText() {
+							x := reflect.New(fieldType)
 							err := json.Unmarshal(vv.Bytes(), x.Interface())
 							if err != nil {
 								return nil, err
 							}
 							fieldValue.Set(x.Elem())
-						}
-					}
-				} else if session.statement.UseCascade {
-					table, err := session.engine.autoMapType(*fieldValue)
-					if err != nil {
-						return nil, err
-					}
-
-					hasAssigned = true
-					if len(table.PrimaryKeys) != 1 {
-						return nil, errors.New("unsupported non or composited primary key cascade")
-					}
-					var pk = make(core.PK, len(table.PrimaryKeys))
-					pk[0], err = asKind(vv, rawValueType)
-					if err != nil {
-						return nil, err
-					}
-
-					if !isPKZero(pk) {
-						// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
-						// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
-						// property to be fetched lazily
-						structInter := reflect.New(fieldValue.Type())
-						has, err := session.ID(pk).NoCascade().get(structInter.Interface())
-						if err != nil {
-							return nil, err
-						}
-						if has {
-							fieldValue.Set(structInter.Elem())
 						} else {
-							return nil, errors.New("cascade obj is not exist")
+							if fieldValue.Len() > 0 {
+								for i := 0; i < fieldValue.Len(); i++ {
+									if i < vv.Len() {
+										fieldValue.Index(i).Set(vv.Index(i))
+									}
+								}
+							} else {
+								for i := 0; i < vv.Len(); i++ {
+									fieldValue.Set(reflect.Append(*fieldValue, vv.Index(i)))
+								}
+							}
 						}
 					}
 				}
-			case reflect.Ptr:
-				// !nashtsai! TODO merge duplicated codes above
-				switch fieldType {
-				// following types case matching ptr's native type, therefore assign ptr directly
-				case core.PtrStringType:
-					if rawValueType.Kind() == reflect.String {
-						x := vv.String()
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrBoolType:
-					if rawValueType.Kind() == reflect.Bool {
-						x := vv.Bool()
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrTimeType:
-					if rawValueType == core.PtrTimeType {
-						hasAssigned = true
-						var x = rawValue.Interface().(time.Time)
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrFloat64Type:
-					if rawValueType.Kind() == reflect.Float64 {
-						x := vv.Float()
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrUint64Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = uint64(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrInt64Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						x := vv.Int()
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrFloat32Type:
-					if rawValueType.Kind() == reflect.Float64 {
-						var x = float32(vv.Float())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrIntType:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = int(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrInt32Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = int32(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrInt8Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = int8(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrInt16Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = int16(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrUintType:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = uint(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.PtrUint32Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = uint32(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.Uint8Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = uint8(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.Uint16Type:
-					if rawValueType.Kind() == reflect.Int64 {
-						var x = uint16(vv.Int())
-						hasAssigned = true
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-				case core.Complex64Type:
-					var x complex64
-					if len([]byte(vv.String())) > 0 {
-						err := json.Unmarshal([]byte(vv.String()), &x)
-						if err != nil {
-							return nil, err
-						}
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-					hasAssigned = true
-				case core.Complex128Type:
-					var x complex128
-					if len([]byte(vv.String())) > 0 {
-						err := json.Unmarshal([]byte(vv.String()), &x)
-						if err != nil {
-							return nil, err
-						}
-						fieldValue.Set(reflect.ValueOf(&x))
-					}
-					hasAssigned = true
-				} // switch fieldType
-			} // switch fieldType.Kind()
+			}
+		case reflect.String:
+			if rawValueType.Kind() == reflect.String {
+				hasAssigned = true
+				fieldValue.SetString(vv.String())
+			}
+		case reflect.Bool:
+			if rawValueType.Kind() == reflect.Bool {
+				hasAssigned = true
+				fieldValue.SetBool(vv.Bool())
+			}
+		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+			switch rawValueType.Kind() {
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+				hasAssigned = true
+				fieldValue.SetInt(vv.Int())
+			}
+		case reflect.Float32, reflect.Float64:
+			switch rawValueType.Kind() {
+			case reflect.Float32, reflect.Float64:
+				hasAssigned = true
+				fieldValue.SetFloat(vv.Float())
+			}
+		case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
+			switch rawValueType.Kind() {
+			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
+				hasAssigned = true
+				fieldValue.SetUint(vv.Uint())
+			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+				hasAssigned = true
+				fieldValue.SetUint(uint64(vv.Int()))
+			}
+		case reflect.Struct:
+			if fieldType.ConvertibleTo(core.TimeType) {
+				dbTZ := session.engine.DatabaseTZ
+				if col.TimeZone != nil {
+					dbTZ = col.TimeZone
+				}
 
-			// !nashtsai! for value can't be assigned directly fallback to convert to []byte then back to value
-			if !hasAssigned {
-				data, err := value2Bytes(&rawValue)
+				if rawValueType == core.TimeType {
+					hasAssigned = true
+
+					t := vv.Convert(core.TimeType).Interface().(time.Time)
+
+					z, _ := t.Zone()
+					// set new location if database don't save timezone or give an incorrect timezone
+					if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbTZ.String() { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
+						session.engine.logger.Debugf("empty zone key[%v] : %v | zone: %v | location: %+v\n", key, t, z, *t.Location())
+						t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
+							t.Minute(), t.Second(), t.Nanosecond(), dbTZ)
+					}
+
+					t = t.In(session.engine.TZLocation)
+					fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
+				} else if rawValueType == core.IntType || rawValueType == core.Int64Type ||
+					rawValueType == core.Int32Type {
+					hasAssigned = true
+
+					t := time.Unix(vv.Int(), 0).In(session.engine.TZLocation)
+					fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
+				} else {
+					if d, ok := vv.Interface().([]uint8); ok {
+						hasAssigned = true
+						t, err := session.byte2Time(col, d)
+						if err != nil {
+							session.engine.logger.Error("byte2Time error:", err.Error())
+							hasAssigned = false
+						} else {
+							fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
+						}
+					} else if d, ok := vv.Interface().(string); ok {
+						hasAssigned = true
+						t, err := session.str2Time(col, d)
+						if err != nil {
+							session.engine.logger.Error("byte2Time error:", err.Error())
+							hasAssigned = false
+						} else {
+							fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
+						}
+					} else {
+						return nil, fmt.Errorf("rawValueType is %v, value is %v", rawValueType, vv.Interface())
+					}
+				}
+			} else if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
+				// !<winxxp>! 增加支持sql.Scanner接口的结构，如sql.NullString
+				hasAssigned = true
+				if err := nulVal.Scan(vv.Interface()); err != nil {
+					session.engine.logger.Error("sql.Sanner error:", err.Error())
+					hasAssigned = false
+				}
+			} else if col.SQLType.IsJson() {
+				if rawValueType.Kind() == reflect.String {
+					hasAssigned = true
+					x := reflect.New(fieldType)
+					if len([]byte(vv.String())) > 0 {
+						err := json.Unmarshal([]byte(vv.String()), x.Interface())
+						if err != nil {
+							return nil, err
+						}
+						fieldValue.Set(x.Elem())
+					}
+				} else if rawValueType.Kind() == reflect.Slice {
+					hasAssigned = true
+					x := reflect.New(fieldType)
+					if len(vv.Bytes()) > 0 {
+						err := json.Unmarshal(vv.Bytes(), x.Interface())
+						if err != nil {
+							return nil, err
+						}
+						fieldValue.Set(x.Elem())
+					}
+				}
+			} else if session.statement.UseCascade {
+				table, err := session.engine.autoMapType(*fieldValue)
 				if err != nil {
 					return nil, err
 				}
 
-				if err = session.bytes2Value(col, fieldValue, data); err != nil {
+				hasAssigned = true
+				if len(table.PrimaryKeys) != 1 {
+					return nil, errors.New("unsupported non or composited primary key cascade")
+				}
+				var pk = make(core.PK, len(table.PrimaryKeys))
+				pk[0], err = asKind(vv, rawValueType)
+				if err != nil {
 					return nil, err
 				}
+
+				if !isPKZero(pk) {
+					// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
+					// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
+					// property to be fetched lazily
+					structInter := reflect.New(fieldValue.Type())
+					has, err := session.ID(pk).NoCascade().get(structInter.Interface())
+					if err != nil {
+						return nil, err
+					}
+					if has {
+						fieldValue.Set(structInter.Elem())
+					} else {
+						return nil, errors.New("cascade obj is not exist")
+					}
+				}
+			}
+		case reflect.Ptr:
+			// !nashtsai! TODO merge duplicated codes above
+			switch fieldType {
+			// following types case matching ptr's native type, therefore assign ptr directly
+			case core.PtrStringType:
+				if rawValueType.Kind() == reflect.String {
+					x := vv.String()
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrBoolType:
+				if rawValueType.Kind() == reflect.Bool {
+					x := vv.Bool()
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrTimeType:
+				if rawValueType == core.PtrTimeType {
+					hasAssigned = true
+					var x = rawValue.Interface().(time.Time)
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrFloat64Type:
+				if rawValueType.Kind() == reflect.Float64 {
+					x := vv.Float()
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrUint64Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = uint64(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrInt64Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					x := vv.Int()
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrFloat32Type:
+				if rawValueType.Kind() == reflect.Float64 {
+					var x = float32(vv.Float())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrIntType:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = int(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrInt32Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = int32(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrInt8Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = int8(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrInt16Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = int16(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrUintType:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = uint(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.PtrUint32Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = uint32(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.Uint8Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = uint8(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.Uint16Type:
+				if rawValueType.Kind() == reflect.Int64 {
+					var x = uint16(vv.Int())
+					hasAssigned = true
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+			case core.Complex64Type:
+				var x complex64
+				if len([]byte(vv.String())) > 0 {
+					err := json.Unmarshal([]byte(vv.String()), &x)
+					if err != nil {
+						return nil, err
+					}
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+				hasAssigned = true
+			case core.Complex128Type:
+				var x complex128
+				if len([]byte(vv.String())) > 0 {
+					err := json.Unmarshal([]byte(vv.String()), &x)
+					if err != nil {
+						return nil, err
+					}
+					fieldValue.Set(reflect.ValueOf(&x))
+				}
+				hasAssigned = true
+			} // switch fieldType
+		} // switch fieldType.Kind()
+
+		// !nashtsai! for value can't be assigned directly fallback to convert to []byte then back to value
+		if !hasAssigned {
+			data, err := value2Bytes(&rawValue)
+			if err != nil {
+				return nil, err
+			}
+
+			if err = session.bytes2Value(col, fieldValue, data); err != nil {
+				return nil, err
 			}
 		}
 	}
@@ -828,15 +840,6 @@ func (session *Session) LastSQL() (string, []interface{}) {
 	return session.lastSQL, session.lastSQLArgs
 }
 
-// tbName get some table's table name
-func (session *Session) tbNameNoSchema(table *core.Table) string {
-	if len(session.statement.AltTableName) > 0 {
-		return session.statement.AltTableName
-	}
-
-	return table.Name
-}
-
 // Unscoped always disable struct tag "deleted"
 func (session *Session) Unscoped() *Session {
 	session.statement.Unscoped()

vendor/github.com/go-xorm/xorm/session_cols.go

@@ -4,6 +4,121 @@
 
 package xorm
 
+import (
+	"reflect"
+	"strings"
+	"time"
+
+	"github.com/go-xorm/core"
+)
+
+type incrParam struct {
+	colName string
+	arg     interface{}
+}
+
+type decrParam struct {
+	colName string
+	arg     interface{}
+}
+
+type exprParam struct {
+	colName string
+	expr    string
+}
+
+type columnMap []string
+
+func (m columnMap) contain(colName string) bool {
+	if len(m) == 0 {
+		return false
+	}
+
+	n := len(colName)
+	for _, mk := range m {
+		if len(mk) != n {
+			continue
+		}
+		if strings.EqualFold(mk, colName) {
+			return true
+		}
+	}
+
+	return false
+}
+
+func (m *columnMap) add(colName string) bool {
+	if m.contain(colName) {
+		return false
+	}
+	*m = append(*m, colName)
+	return true
+}
+
+func setColumnInt(bean interface{}, col *core.Column, t int64) {
+	v, err := col.ValueOf(bean)
+	if err != nil {
+		return
+	}
+	if v.CanSet() {
+		switch v.Type().Kind() {
+		case reflect.Int, reflect.Int64, reflect.Int32:
+			v.SetInt(t)
+		case reflect.Uint, reflect.Uint64, reflect.Uint32:
+			v.SetUint(uint64(t))
+		}
+	}
+}
+
+func setColumnTime(bean interface{}, col *core.Column, t time.Time) {
+	v, err := col.ValueOf(bean)
+	if err != nil {
+		return
+	}
+	if v.CanSet() {
+		switch v.Type().Kind() {
+		case reflect.Struct:
+			v.Set(reflect.ValueOf(t).Convert(v.Type()))
+		case reflect.Int, reflect.Int64, reflect.Int32:
+			v.SetInt(t.Unix())
+		case reflect.Uint, reflect.Uint64, reflect.Uint32:
+			v.SetUint(uint64(t.Unix()))
+		}
+	}
+}
+
+func getFlagForColumn(m map[string]bool, col *core.Column) (val bool, has bool) {
+	if len(m) == 0 {
+		return false, false
+	}
+
+	n := len(col.Name)
+
+	for mk := range m {
+		if len(mk) != n {
+			continue
+		}
+		if strings.EqualFold(mk, col.Name) {
+			return m[mk], true
+		}
+	}
+
+	return false, false
+}
+
+func col2NewCols(columns ...string) []string {
+	newColumns := make([]string, 0, len(columns))
+	for _, col := range columns {
+		col = strings.Replace(col, "`", "", -1)
+		col = strings.Replace(col, `"`, "", -1)
+		ccols := strings.Split(col, ",")
+		for _, c := range ccols {
+			newColumns = append(newColumns, strings.TrimSpace(c))
+		}
+	}
+	return newColumns
+}
+
 // Incr provides a query string like "count = count + 1"
 func (session *Session) Incr(column string, arg ...interface{}) *Session {
 	session.statement.Incr(column, arg...)

vendor/github.com/go-xorm/xorm/session_delete.go

@@ -27,7 +27,7 @@ func (session *Session) cacheDelete(table *core.Table, tableName, sqlStr string,
 		return ErrCacheFailed
 	}
 
-	cacher := session.engine.getCacher2(table)
+	cacher := session.engine.getCacher(tableName)
 	pkColumns := table.PKColumns()
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
 	if err != nil {
@@ -79,7 +79,7 @@ func (session *Session) Delete(bean interface{}) (int64, error) {
 		defer session.Close()
 	}
 
-	if err := session.statement.setRefValue(rValue(bean)); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return 0, err
 	}
 
@@ -199,7 +199,7 @@ func (session *Session) Delete(bean interface{}) (int64, error) {
 		})
 	}
 
-	if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
+	if cacher := session.engine.getCacher(tableName); cacher != nil && session.statement.UseCache {
 		session.cacheDelete(table, tableNameNoQuote, deleteSQL, argsForCache...)
 	}
 

vendor/github.com/go-xorm/xorm/session_exist.go

@@ -10,6 +10,7 @@ import (
 	"reflect"
 
 	"github.com/go-xorm/builder"
+	"github.com/go-xorm/core"
 )
 
 // Exist returns true if the record exist otherwise return false
@@ -35,10 +36,18 @@ func (session *Session) Exist(bean ...interface{}) (bool, error) {
 					return false, err
 				}
 
-				sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL)
+				if session.engine.dialect.DBType() == core.MSSQL {
+					sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s WHERE %s", tableName, condSQL)
+				} else {
+					sqlStr = fmt.Sprintf("SELECT * FROM %s WHERE %s LIMIT 1", tableName, condSQL)
+				}
 				args = condArgs
 			} else {
-				sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName)
+				if session.engine.dialect.DBType() == core.MSSQL {
+					sqlStr = fmt.Sprintf("SELECT top 1 * FROM %s", tableName)
+				} else {
+					sqlStr = fmt.Sprintf("SELECT * FROM %s LIMIT 1", tableName)
+				}
 				args = []interface{}{}
 			}
 		} else {
@@ -48,7 +57,7 @@ func (session *Session) Exist(bean ...interface{}) (bool, error) {
 			}
 
 			if beanValue.Elem().Kind() == reflect.Struct {
-				if err := session.statement.setRefValue(beanValue.Elem()); err != nil {
+				if err := session.statement.setRefBean(bean[0]); err != nil {
 					return false, err
 				}
 			}

vendor/github.com/go-xorm/xorm/session_find.go

@@ -29,6 +29,39 @@ func (session *Session) Find(rowsSlicePtr interface{}, condiBean ...interface{})
 	return session.find(rowsSlicePtr, condiBean...)
 }
 
+// FindAndCount find the results and also return the counts
+func (session *Session) FindAndCount(rowsSlicePtr interface{}, condiBean ...interface{}) (int64, error) {
+	if session.isAutoClose {
+		defer session.Close()
+	}
+
+	session.autoResetStatement = false
+	err := session.find(rowsSlicePtr, condiBean...)
+	if err != nil {
+		return 0, err
+	}
+
+	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
+	if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
+		return 0, errors.New("needs a pointer to a slice or a map")
+	}
+
+	sliceElementType := sliceValue.Type().Elem()
+	if sliceElementType.Kind() == reflect.Ptr {
+		sliceElementType = sliceElementType.Elem()
+	}
+	session.autoResetStatement = true
+
+	if session.statement.selectStr != "" {
+		session.statement.selectStr = ""
+	}
+	if session.statement.OrderStr != "" {
+		session.statement.OrderStr = ""
+	}
+
+	return session.Count(reflect.New(sliceElementType).Interface())
+}
+
 func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
 	sliceValue := reflect.Indirect(reflect.ValueOf(rowsSlicePtr))
 	if sliceValue.Kind() != reflect.Slice && sliceValue.Kind() != reflect.Map {
@@ -42,7 +75,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 		if sliceElementType.Kind() == reflect.Ptr {
 			if sliceElementType.Elem().Kind() == reflect.Struct {
 				pv := reflect.New(sliceElementType.Elem())
-				if err := session.statement.setRefValue(pv.Elem()); err != nil {
+				if err := session.statement.setRefValue(pv); err != nil {
 					return err
 				}
 			} else {
@@ -50,7 +83,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 			}
 		} else if sliceElementType.Kind() == reflect.Struct {
 			pv := reflect.New(sliceElementType)
-			if err := session.statement.setRefValue(pv.Elem()); err != nil {
+			if err := session.statement.setRefValue(pv); err != nil {
 				return err
 			}
 		} else {
@@ -102,7 +135,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 			if session.statement.JoinStr == "" {
 				if columnStr == "" {
 					if session.statement.GroupByStr != "" {
-						columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
+						columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
 					} else {
 						columnStr = session.statement.genColumnStr()
 					}
@@ -110,7 +143,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 			} else {
 				if columnStr == "" {
 					if session.statement.GroupByStr != "" {
-						columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
+						columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
 					} else {
 						columnStr = "*"
 					}
@@ -128,7 +161,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 		}
 
 		args = append(session.statement.joinArgs, condArgs...)
-		sqlStr, err = session.statement.genSelectSQL(columnStr, condSQL)
+		sqlStr, err = session.statement.genSelectSQL(columnStr, condSQL, true, true)
 		if err != nil {
 			return err
 		}
@@ -143,7 +176,7 @@ func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{})
 	}
 
 	if session.canCache() {
-		if cacher := session.engine.getCacher2(table); cacher != nil &&
+		if cacher := session.engine.getCacher(table.Name); cacher != nil &&
 			!session.statement.IsDistinct &&
 			!session.statement.unscoped {
 			err = session.cacheFind(sliceElementType, sqlStr, rowsSlicePtr, args...)
@@ -288,6 +321,12 @@ func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr in
 		return ErrCacheFailed
 	}
 
+	tableName := session.statement.TableName()
+	cacher := session.engine.getCacher(tableName)
+	if cacher == nil {
+		return nil
+	}
+
 	for _, filter := range session.engine.dialect.Filters() {
 		sqlStr = filter.Do(sqlStr, session.engine.dialect, session.statement.RefTable)
 	}
@@ -297,9 +336,7 @@ func (session *Session) cacheFind(t reflect.Type, sqlStr string, rowsSlicePtr in
 		return ErrCacheFailed
 	}
 
-	tableName := session.statement.TableName()
 	table := session.statement.RefTable
-	cacher := session.engine.getCacher2(table)
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
 	if err != nil {
 		rows, err := session.queryRows(newsql, args...)

vendor/github.com/go-xorm/xorm/session_get.go

@@ -5,7 +5,9 @@
 package xorm
 
 import (
+	"database/sql"
 	"errors"
+	"fmt"
 	"reflect"
 	"strconv"
 
@@ -30,7 +32,7 @@ func (session *Session) get(bean interface{}) (bool, error) {
 	}
 
 	if beanValue.Elem().Kind() == reflect.Struct {
-		if err := session.statement.setRefValue(beanValue.Elem()); err != nil {
+		if err := session.statement.setRefBean(bean); err != nil {
 			return false, err
 		}
 	}
@@ -56,7 +58,7 @@ func (session *Session) get(bean interface{}) (bool, error) {
 	table := session.statement.RefTable
 
 	if session.canCache() && beanValue.Elem().Kind() == reflect.Struct {
-		if cacher := session.engine.getCacher2(table); cacher != nil &&
+		if cacher := session.engine.getCacher(table.Name); cacher != nil &&
 			!session.statement.unscoped {
 			has, err := session.cacheGet(bean, sqlStr, args...)
 			if err != ErrCacheFailed {
@@ -65,7 +67,28 @@ func (session *Session) get(bean interface{}) (bool, error) {
 		}
 	}
 
-	return session.nocacheGet(beanValue.Elem().Kind(), table, bean, sqlStr, args...)
+	context := session.statement.context
+	if context != nil {
+		res := context.Get(fmt.Sprintf("%v-%v", sqlStr, args))
+		if res != nil {
+			structValue := reflect.Indirect(reflect.ValueOf(bean))
+			structValue.Set(reflect.Indirect(reflect.ValueOf(res)))
+			session.lastSQL = ""
+			session.lastSQLArgs = nil
+			return true, nil
+		}
+	}
+
+	has, err := session.nocacheGet(beanValue.Elem().Kind(), table, bean, sqlStr, args...)
+	if err != nil || !has {
+		return has, err
+	}
+
+	if context != nil {
+		context.Put(fmt.Sprintf("%v-%v", sqlStr, args), bean)
+	}
+
+	return true, nil
 }
 
 func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bean interface{}, sqlStr string, args ...interface{}) (bool, error) {
@@ -76,9 +99,19 @@ func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bea
 	defer rows.Close()
 
 	if !rows.Next() {
+		if rows.Err() != nil {
+			return false, rows.Err()
+		}
 		return false, nil
 	}
 
+	switch bean.(type) {
+	case sql.NullInt64, sql.NullBool, sql.NullFloat64, sql.NullString:
+		return true, rows.Scan(&bean)
+	case *sql.NullInt64, *sql.NullBool, *sql.NullFloat64, *sql.NullString:
+		return true, rows.Scan(bean)
+	}
+
 	switch beanKind {
 	case reflect.Struct:
 		fields, err := rows.Columns()
@@ -126,8 +159,9 @@ func (session *Session) cacheGet(bean interface{}, sqlStr string, args ...interf
 		return false, ErrCacheFailed
 	}
 
-	cacher := session.engine.getCacher2(session.statement.RefTable)
 	tableName := session.statement.TableName()
+	cacher := session.engine.getCacher(tableName)
+
 	session.engine.logger.Debug("[cacheGet] find sql:", newsql, args)
 	table := session.statement.RefTable
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args)

vendor/github.com/go-xorm/xorm/session_insert.go

@@ -66,11 +66,12 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 		return 0, errors.New("could not insert a empty slice")
 	}
 
-	if err := session.statement.setRefValue(reflect.ValueOf(sliceValue.Index(0).Interface())); err != nil {
+	if err := session.statement.setRefBean(sliceValue.Index(0).Interface()); err != nil {
 		return 0, err
 	}
 
-	if len(session.statement.TableName()) <= 0 {
+	tableName := session.statement.TableName()
+	if len(tableName) <= 0 {
 		return 0, ErrTableNotFound
 	}
 
@@ -115,15 +116,11 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 				if col.IsDeleted {
 					continue
 				}
-				if session.statement.ColumnStr != "" {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
-						continue
-					}
+				if session.statement.omitColumnMap.contain(col.Name) {
+					continue
 				}
-				if session.statement.OmitStr != "" {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
-						continue
-					}
+				if len(session.statement.columnMap) > 0 && !session.statement.columnMap.contain(col.Name) {
+					continue
 				}
 				if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime {
 					val, t := session.engine.nowTime(col)
@@ -170,15 +167,11 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 				if col.IsDeleted {
 					continue
 				}
-				if session.statement.ColumnStr != "" {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); !ok {
-						continue
-					}
+				if session.statement.omitColumnMap.contain(col.Name) {
+					continue
 				}
-				if session.statement.OmitStr != "" {
-					if _, ok := getFlagForColumn(session.statement.columnMap, col); ok {
-						continue
-					}
+				if len(session.statement.columnMap) > 0 && !session.statement.columnMap.contain(col.Name) {
+					continue
 				}
 				if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime {
 					val, t := session.engine.nowTime(col)
@@ -211,38 +204,33 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error
 	}
 	cleanupProcessorsClosures(&session.beforeClosures)
 
-	var sql = "INSERT INTO %s (%v%v%v) VALUES (%v)"
-	var statement string
-	var tableName = session.statement.TableName()
+	var sql string
 	if session.engine.dialect.DBType() == core.ORACLE {
-		sql = "INSERT ALL INTO %s (%v%v%v) VALUES (%v) SELECT 1 FROM DUAL"
 		temp := fmt.Sprintf(") INTO %s (%v%v%v) VALUES (",
 			session.engine.Quote(tableName),
 			session.engine.QuoteStr(),
 			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
 			session.engine.QuoteStr())
-		statement = fmt.Sprintf(sql,
+		sql = fmt.Sprintf("INSERT ALL INTO %s (%v%v%v) VALUES (%v) SELECT 1 FROM DUAL",
 			session.engine.Quote(tableName),
 			session.engine.QuoteStr(),
 			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
 			session.engine.QuoteStr(),
 			strings.Join(colMultiPlaces, temp))
 	} else {
-		statement = fmt.Sprintf(sql,
+		sql = fmt.Sprintf("INSERT INTO %s (%v%v%v) VALUES (%v)",
 			session.engine.Quote(tableName),
 			session.engine.QuoteStr(),
 			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
 			session.engine.QuoteStr(),
 			strings.Join(colMultiPlaces, "),("))
 	}
-	res, err := session.exec(statement, args...)
+	res, err := session.exec(sql, args...)
 	if err != nil {
 		return 0, err
 	}
 
-	if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
-		session.cacheInsert(table, tableName)
-	}
+	session.cacheInsert(tableName)
 
 	lenAfterClosures := len(session.afterClosures)
 	for i := 0; i < size; i++ {
@@ -298,7 +286,7 @@ func (session *Session) InsertMulti(rowsSlicePtr interface{}) (int64, error) {
 }
 
 func (session *Session) innerInsert(bean interface{}) (int64, error) {
-	if err := session.statement.setRefValue(rValue(bean)); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return 0, err
 	}
 	if len(session.statement.TableName()) <= 0 {
@@ -316,8 +304,8 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 	if processor, ok := interface{}(bean).(BeforeInsertProcessor); ok {
 		processor.BeforeInsert()
 	}
-	// --
-	colNames, args, err := genCols(session.statement.RefTable, session, bean, false, false)
+
+	colNames, args, err := session.genInsertColumns(bean)
 	if err != nil {
 		return 0, err
 	}
@@ -402,9 +390,7 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 
 		defer handleAfterInsertProcessorFunc(bean)
 
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
-			session.cacheInsert(table, tableName)
-		}
+		session.cacheInsert(tableName)
 
 		if table.Version != "" && session.statement.checkVersion {
 			verValue, err := table.VersionColumn().ValueOf(bean)
@@ -447,9 +433,7 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 		}
 		defer handleAfterInsertProcessorFunc(bean)
 
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
-			session.cacheInsert(table, tableName)
-		}
+		session.cacheInsert(tableName)
 
 		if table.Version != "" && session.statement.checkVersion {
 			verValue, err := table.VersionColumn().ValueOf(bean)
@@ -490,9 +474,7 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 
 		defer handleAfterInsertProcessorFunc(bean)
 
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
-			session.cacheInsert(table, tableName)
-		}
+		session.cacheInsert(tableName)
 
 		if table.Version != "" && session.statement.checkVersion {
 			verValue, err := table.VersionColumn().ValueOf(bean)
@@ -539,16 +521,104 @@ func (session *Session) InsertOne(bean interface{}) (int64, error) {
 	return session.innerInsert(bean)
 }
 
-func (session *Session) cacheInsert(table *core.Table, tables ...string) error {
-	if table == nil {
-		return ErrCacheFailed
+func (session *Session) cacheInsert(table string) error {
+	if !session.statement.UseCache {
+		return nil
 	}
-
-	cacher := session.engine.getCacher2(table)
-	for _, t := range tables {
-		session.engine.logger.Debug("[cache] clear sql:", t)
-		cacher.ClearIds(t)
+	cacher := session.engine.getCacher(table)
+	if cacher == nil {
+		return nil
 	}
-
+	session.engine.logger.Debug("[cache] clear sql:", table)
+	cacher.ClearIds(table)
 	return nil
 }
+
+// genInsertColumns generates insert needed columns
+func (session *Session) genInsertColumns(bean interface{}) ([]string, []interface{}, error) {
+	table := session.statement.RefTable
+	colNames := make([]string, 0, len(table.ColumnsSeq()))
+	args := make([]interface{}, 0, len(table.ColumnsSeq()))
+
+	for _, col := range table.Columns() {
+		if col.MapType == core.ONLYFROMDB {
+			continue
+		}
+
+		if col.IsDeleted {
+			continue
+		}
+
+		if session.statement.omitColumnMap.contain(col.Name) {
+			continue
+		}
+
+		if len(session.statement.columnMap) > 0 && !session.statement.columnMap.contain(col.Name) {
+			continue
+		}
+
+		if _, ok := session.statement.incrColumns[col.Name]; ok {
+			continue
+		} else if _, ok := session.statement.decrColumns[col.Name]; ok {
+			continue
+		}
+
+		fieldValuePtr, err := col.ValueOf(bean)
+		if err != nil {
+			return nil, nil, err
+		}
+		fieldValue := *fieldValuePtr
+
+		if col.IsAutoIncrement {
+			switch fieldValue.Type().Kind() {
+			case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int, reflect.Int64:
+				if fieldValue.Int() == 0 {
+					continue
+				}
+			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint, reflect.Uint64:
+				if fieldValue.Uint() == 0 {
+					continue
+				}
+			case reflect.String:
+				if len(fieldValue.String()) == 0 {
+					continue
+				}
+			case reflect.Ptr:
+				if fieldValue.Pointer() == 0 {
+					continue
+				}
+			}
+		}
+
+		// !evalphobia! set fieldValue as nil when column is nullable and zero-value
+		if _, ok := getFlagForColumn(session.statement.nullableMap, col); ok {
+			if col.Nullable && isZero(fieldValue.Interface()) {
+				var nilValue *int
+				fieldValue = reflect.ValueOf(nilValue)
+			}
+		}
+
+		if (col.IsCreated || col.IsUpdated) && session.statement.UseAutoTime /*&& isZero(fieldValue.Interface())*/ {
+			// if time is non-empty, then set to auto time
+			val, t := session.engine.nowTime(col)
+			args = append(args, val)
+
+			var colName = col.Name
+			session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+				col := table.GetColumn(colName)
+				setColumnTime(bean, col, t)
+			})
+		} else if col.IsVersion && session.statement.checkVersion {
+			args = append(args, 1)
+		} else {
+			arg, err := session.value2Interface(col, fieldValue)
+			if err != nil {
+				return colNames, args, err
+			}
+			args = append(args, arg)
+		}
+
+		colNames = append(colNames, col.Name)
+	}
+	return colNames, args, nil
+}

vendor/github.com/go-xorm/xorm/session_query.go

@@ -17,7 +17,7 @@ import (
 
 func (session *Session) genQuerySQL(sqlorArgs ...interface{}) (string, []interface{}, error) {
 	if len(sqlorArgs) > 0 {
-		return sqlorArgs[0].(string), sqlorArgs[1:], nil
+		return convertSQLOrArgs(sqlorArgs...)
 	}
 
 	if session.statement.RawSQL != "" {
@@ -35,7 +35,7 @@ func (session *Session) genQuerySQL(sqlorArgs ...interface{}) (string, []interfa
 		if session.statement.JoinStr == "" {
 			if columnStr == "" {
 				if session.statement.GroupByStr != "" {
-					columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
+					columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
 				} else {
 					columnStr = session.statement.genColumnStr()
 				}
@@ -43,7 +43,7 @@ func (session *Session) genQuerySQL(sqlorArgs ...interface{}) (string, []interfa
 		} else {
 			if columnStr == "" {
 				if session.statement.GroupByStr != "" {
-					columnStr = session.statement.Engine.Quote(strings.Replace(session.statement.GroupByStr, ",", session.engine.Quote(","), -1))
+					columnStr = session.engine.quoteColumns(session.statement.GroupByStr)
 				} else {
 					columnStr = "*"
 				}
@@ -54,13 +54,17 @@ func (session *Session) genQuerySQL(sqlorArgs ...interface{}) (string, []interfa
 		}
 	}
 
+	if err := session.statement.processIDParam(); err != nil {
+		return "", nil, err
+	}
+
 	condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
 	if err != nil {
 		return "", nil, err
 	}
 
 	args := append(session.statement.joinArgs, condArgs...)
-	sqlStr, err := session.statement.genSelectSQL(columnStr, condSQL)
+	sqlStr, err := session.statement.genSelectSQL(columnStr, condSQL, true, true)
 	if err != nil {
 		return "", nil, err
 	}
@@ -162,6 +166,34 @@ func row2mapStr(rows *core.Rows, fields []string) (resultsMap map[string]string,
 	return result, nil
 }
 
+func row2sliceStr(rows *core.Rows, fields []string) (results []string, err error) {
+	result := make([]string, 0, len(fields))
+	scanResultContainers := make([]interface{}, len(fields))
+	for i := 0; i < len(fields); i++ {
+		var scanResultContainer interface{}
+		scanResultContainers[i] = &scanResultContainer
+	}
+	if err := rows.Scan(scanResultContainers...); err != nil {
+		return nil, err
+	}
+
+	for i := 0; i < len(fields); i++ {
+		rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[i]))
+		// if row is null then as empty string
+		if rawValue.Interface() == nil {
+			result = append(result, "")
+			continue
+		}
+
+		if data, err := value2String(&rawValue); err == nil {
+			result = append(result, data)
+		} else {
+			return nil, err
+		}
+	}
+	return result, nil
+}
+
 func rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error) {
 	fields, err := rows.Columns()
 	if err != nil {
@@ -178,6 +210,22 @@ func rows2Strings(rows *core.Rows) (resultsSlice []map[string]string, err error)
 	return resultsSlice, nil
 }
 
+func rows2SliceString(rows *core.Rows) (resultsSlice [][]string, err error) {
+	fields, err := rows.Columns()
+	if err != nil {
+		return nil, err
+	}
+	for rows.Next() {
+		record, err := row2sliceStr(rows, fields)
+		if err != nil {
+			return nil, err
+		}
+		resultsSlice = append(resultsSlice, record)
+	}
+
+	return resultsSlice, nil
+}
+
 // QueryString runs a raw sql and return records as []map[string]string
 func (session *Session) QueryString(sqlorArgs ...interface{}) ([]map[string]string, error) {
 	if session.isAutoClose {
@@ -198,6 +246,26 @@ func (session *Session) QueryString(sqlorArgs ...interface{}) ([]map[string]stri
 	return rows2Strings(rows)
 }
 
+// QuerySliceString runs a raw sql and return records as [][]string
+func (session *Session) QuerySliceString(sqlorArgs ...interface{}) ([][]string, error) {
+	if session.isAutoClose {
+		defer session.Close()
+	}
+
+	sqlStr, args, err := session.genQuerySQL(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
+	rows, err := session.queryRows(sqlStr, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	return rows2SliceString(rows)
+}
+
 func row2mapInterface(rows *core.Rows, fields []string) (resultsMap map[string]interface{}, err error) {
 	resultsMap = make(map[string]interface{}, len(fields))
 	scanResultContainers := make([]interface{}, len(fields))

vendor/github.com/go-xorm/xorm/session_raw.go

@@ -9,6 +9,7 @@ import (
 	"reflect"
 	"time"
 
+	"github.com/go-xorm/builder"
 	"github.com/go-xorm/core"
 )
 
@@ -193,11 +194,34 @@ func (session *Session) exec(sqlStr string, args ...interface{}) (sql.Result, er
 	return session.DB().Exec(sqlStr, args...)
 }
 
+func convertSQLOrArgs(sqlorArgs ...interface{}) (string, []interface{}, error) {
+	switch sqlorArgs[0].(type) {
+	case string:
+		return sqlorArgs[0].(string), sqlorArgs[1:], nil
+	case *builder.Builder:
+		return sqlorArgs[0].(*builder.Builder).ToSQL()
+	case builder.Builder:
+		bd := sqlorArgs[0].(builder.Builder)
+		return bd.ToSQL()
+	}
+
+	return "", nil, ErrUnSupportedType
+}
+
 // Exec raw sql
-func (session *Session) Exec(sqlStr string, args ...interface{}) (sql.Result, error) {
+func (session *Session) Exec(sqlorArgs ...interface{}) (sql.Result, error) {
 	if session.isAutoClose {
 		defer session.Close()
 	}
 
+	if len(sqlorArgs) == 0 {
+		return nil, ErrUnSupportedType
+	}
+
+	sqlStr, args, err := convertSQLOrArgs(sqlorArgs...)
+	if err != nil {
+		return nil, err
+	}
+
 	return session.exec(sqlStr, args...)
 }

vendor/github.com/go-xorm/xorm/session_schema.go

@@ -6,9 +6,7 @@ package xorm
 
 import (
 	"database/sql"
-	"errors"
 	"fmt"
-	"reflect"
 	"strings"
 
 	"github.com/go-xorm/core"
@@ -34,8 +32,7 @@ func (session *Session) CreateTable(bean interface{}) error {
 }
 
 func (session *Session) createTable(bean interface{}) error {
-	v := rValue(bean)
-	if err := session.statement.setRefValue(v); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return err
 	}
 
@@ -54,8 +51,7 @@ func (session *Session) CreateIndexes(bean interface{}) error {
 }
 
 func (session *Session) createIndexes(bean interface{}) error {
-	v := rValue(bean)
-	if err := session.statement.setRefValue(v); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return err
 	}
 
@@ -78,8 +74,7 @@ func (session *Session) CreateUniques(bean interface{}) error {
 }
 
 func (session *Session) createUniques(bean interface{}) error {
-	v := rValue(bean)
-	if err := session.statement.setRefValue(v); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return err
 	}
 
@@ -103,8 +98,7 @@ func (session *Session) DropIndexes(bean interface{}) error {
 }
 
 func (session *Session) dropIndexes(bean interface{}) error {
-	v := rValue(bean)
-	if err := session.statement.setRefValue(v); err != nil {
+	if err := session.statement.setRefBean(bean); err != nil {
 		return err
 	}
 
@@ -128,11 +122,7 @@ func (session *Session) DropTable(beanOrTableName interface{}) error {
 }
 
 func (session *Session) dropTable(beanOrTableName interface{}) error {
-	tableName, err := session.engine.tableName(beanOrTableName)
-	if err != nil {
-		return err
-	}
-
+	tableName := session.engine.TableName(beanOrTableName)
 	var needDrop = true
 	if !session.engine.dialect.SupportDropIfExists() {
 		sqlStr, args := session.engine.dialect.TableCheckSql(tableName)
@@ -144,8 +134,8 @@ func (session *Session) dropTable(beanOrTableName interface{}) error {
 	}
 
 	if needDrop {
-		sqlStr := session.engine.Dialect().DropTableSql(tableName)
-		_, err = session.exec(sqlStr)
+		sqlStr := session.engine.Dialect().DropTableSql(session.engine.TableName(tableName, true))
+		_, err := session.exec(sqlStr)
 		return err
 	}
 	return nil
@@ -157,10 +147,7 @@ func (session *Session) IsTableExist(beanOrTableName interface{}) (bool, error)
 		defer session.Close()
 	}
 
-	tableName, err := session.engine.tableName(beanOrTableName)
-	if err != nil {
-		return false, err
-	}
+	tableName := session.engine.TableName(beanOrTableName)
 
 	return session.isTableExist(tableName)
 }
@@ -173,24 +160,15 @@ func (session *Session) isTableExist(tableName string) (bool, error) {
 
 // IsTableEmpty if table have any records
 func (session *Session) IsTableEmpty(bean interface{}) (bool, error) {
-	v := rValue(bean)
-	t := v.Type()
-
-	if t.Kind() == reflect.String {
-		if session.isAutoClose {
-			defer session.Close()
-		}
-		return session.isTableEmpty(bean.(string))
-	} else if t.Kind() == reflect.Struct {
-		rows, err := session.Count(bean)
-		return rows == 0, err
+	if session.isAutoClose {
+		defer session.Close()
 	}
-	return false, errors.New("bean should be a struct or struct's point")
+	return session.isTableEmpty(session.engine.TableName(bean))
 }
 
 func (session *Session) isTableEmpty(tableName string) (bool, error) {
 	var total int64
-	sqlStr := fmt.Sprintf("select count(*) from %s", session.engine.Quote(tableName))
+	sqlStr := fmt.Sprintf("select count(*) from %s", session.engine.Quote(session.engine.TableName(tableName, true)))
 	err := session.queryRow(sqlStr).Scan(&total)
 	if err != nil {
 		if err == sql.ErrNoRows {
@@ -255,6 +233,12 @@ func (session *Session) Sync2(beans ...interface{}) error {
 		return err
 	}
 
+	session.autoResetStatement = false
+	defer func() {
+		session.autoResetStatement = true
+		session.resetStatement()
+	}()
+
 	var structTables []*core.Table
 
 	for _, bean := range beans {
@@ -264,7 +248,8 @@ func (session *Session) Sync2(beans ...interface{}) error {
 			return err
 		}
 		structTables = append(structTables, table)
-		var tbName = session.tbNameNoSchema(table)
+		tbName := engine.TableName(bean)
+		tbNameWithSchema := engine.TableName(tbName, true)
 
 		var oriTable *core.Table
 		for _, tb := range tables {
@@ -309,32 +294,32 @@ func (session *Session) Sync2(beans ...interface{}) error {
 							if engine.dialect.DBType() == core.MYSQL ||
 								engine.dialect.DBType() == core.POSTGRES {
 								engine.logger.Infof("Table %s column %s change type from %s to %s\n",
-									tbName, col.Name, curType, expectedType)
-								_, err = session.exec(engine.dialect.ModifyColumnSql(table.Name, col))
+									tbNameWithSchema, col.Name, curType, expectedType)
+								_, err = session.exec(engine.dialect.ModifyColumnSql(tbNameWithSchema, col))
 							} else {
 								engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s\n",
-									tbName, col.Name, curType, expectedType)
+									tbNameWithSchema, col.Name, curType, expectedType)
 							}
 						} else if strings.HasPrefix(curType, core.Varchar) && strings.HasPrefix(expectedType, core.Varchar) {
 							if engine.dialect.DBType() == core.MYSQL {
 								if oriCol.Length < col.Length {
 									engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
-										tbName, col.Name, oriCol.Length, col.Length)
-									_, err = session.exec(engine.dialect.ModifyColumnSql(table.Name, col))
+										tbNameWithSchema, col.Name, oriCol.Length, col.Length)
+									_, err = session.exec(engine.dialect.ModifyColumnSql(tbNameWithSchema, col))
 								}
 							}
 						} else {
 							if !(strings.HasPrefix(curType, expectedType) && curType[len(expectedType)] == '(') {
 								engine.logger.Warnf("Table %s column %s db type is %s, struct type is %s",
-									tbName, col.Name, curType, expectedType)
+									tbNameWithSchema, col.Name, curType, expectedType)
 							}
 						}
 					} else if expectedType == core.Varchar {
 						if engine.dialect.DBType() == core.MYSQL {
 							if oriCol.Length < col.Length {
 								engine.logger.Infof("Table %s column %s change type from varchar(%d) to varchar(%d)\n",
-									tbName, col.Name, oriCol.Length, col.Length)
-								_, err = session.exec(engine.dialect.ModifyColumnSql(table.Name, col))
+									tbNameWithSchema, col.Name, oriCol.Length, col.Length)
+								_, err = session.exec(engine.dialect.ModifyColumnSql(tbNameWithSchema, col))
 							}
 						}
 					}
@@ -348,7 +333,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 					}
 				} else {
 					session.statement.RefTable = table
-					session.statement.tableName = tbName
+					session.statement.tableName = tbNameWithSchema
 					err = session.addColumn(col.Name)
 				}
 				if err != nil {
@@ -371,7 +356,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 
 				if oriIndex != nil {
 					if oriIndex.Type != index.Type {
-						sql := engine.dialect.DropIndexSql(tbName, oriIndex)
+						sql := engine.dialect.DropIndexSql(tbNameWithSchema, oriIndex)
 						_, err = session.exec(sql)
 						if err != nil {
 							return err
@@ -387,7 +372,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 
 			for name2, index2 := range oriTable.Indexes {
 				if _, ok := foundIndexNames[name2]; !ok {
-					sql := engine.dialect.DropIndexSql(tbName, index2)
+					sql := engine.dialect.DropIndexSql(tbNameWithSchema, index2)
 					_, err = session.exec(sql)
 					if err != nil {
 						return err
@@ -398,12 +383,12 @@ func (session *Session) Sync2(beans ...interface{}) error {
 			for name, index := range addedNames {
 				if index.Type == core.UniqueType {
 					session.statement.RefTable = table
-					session.statement.tableName = tbName
-					err = session.addUnique(tbName, name)
+					session.statement.tableName = tbNameWithSchema
+					err = session.addUnique(tbNameWithSchema, name)
 				} else if index.Type == core.IndexType {
 					session.statement.RefTable = table
-					session.statement.tableName = tbName
-					err = session.addIndex(tbName, name)
+					session.statement.tableName = tbNameWithSchema
+					err = session.addIndex(tbNameWithSchema, name)
 				}
 				if err != nil {
 					return err
@@ -428,7 +413,7 @@ func (session *Session) Sync2(beans ...interface{}) error {
 
 		for _, colName := range table.ColumnsSeq() {
 			if oriTable.GetColumn(colName) == nil {
-				engine.logger.Warnf("Table %s has column %s but struct has not related field", table.Name, colName)
+				engine.logger.Warnf("Table %s has column %s but struct has not related field", engine.TableName(table.Name, true), colName)
 			}
 		}
 	}

vendor/github.com/go-xorm/xorm/session_tx.go

@@ -24,6 +24,7 @@ func (session *Session) Rollback() error {
 	if !session.isAutoCommit && !session.isCommitedOrRollbacked {
 		session.saveLastSQL(session.engine.dialect.RollBackStr())
 		session.isCommitedOrRollbacked = true
+		session.isAutoCommit = true
 		return session.tx.Rollback()
 	}
 	return nil
@@ -34,6 +35,7 @@ func (session *Session) Commit() error {
 	if !session.isAutoCommit && !session.isCommitedOrRollbacked {
 		session.saveLastSQL("COMMIT")
 		session.isCommitedOrRollbacked = true
+		session.isAutoCommit = true
 		var err error
 		if err = session.tx.Commit(); err == nil {
 			// handle processors after tx committed

vendor/github.com/go-xorm/xorm/session_update.go

@@ -40,7 +40,7 @@ func (session *Session) cacheUpdate(table *core.Table, tableName, sqlStr string,
 		}
 	}
 
-	cacher := session.engine.getCacher2(table)
+	cacher := session.engine.getCacher(tableName)
 	session.engine.logger.Debug("[cacheUpdate] get cache sql", newsql, args[nStart:])
 	ids, err := core.GetCacheSql(cacher, tableName, newsql, args[nStart:])
 	if err != nil {
@@ -167,7 +167,7 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 	var isMap = t.Kind() == reflect.Map
 	var isStruct = t.Kind() == reflect.Struct
 	if isStruct {
-		if err := session.statement.setRefValue(v); err != nil {
+		if err := session.statement.setRefBean(bean); err != nil {
 			return 0, err
 		}
 
@@ -176,12 +176,10 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 		}
 
 		if session.statement.ColumnStr == "" {
-			colNames, args = buildUpdates(session.engine, session.statement.RefTable, bean, false, false,
-				false, false, session.statement.allUseBool, session.statement.useAllCols,
-				session.statement.mustColumnMap, session.statement.nullableMap,
-				session.statement.columnMap, true, session.statement.unscoped)
+			colNames, args = session.statement.buildUpdates(bean, false, false,
+				false, false, true)
 		} else {
-			colNames, args, err = genCols(session.statement.RefTable, session, bean, true, true)
+			colNames, args, err = session.genUpdateColumns(bean)
 			if err != nil {
 				return 0, err
 			}
@@ -202,7 +200,8 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 	table := session.statement.RefTable
 
 	if session.statement.UseAutoTime && table != nil && table.Updated != "" {
-		if _, ok := session.statement.columnMap[strings.ToLower(table.Updated)]; !ok {
+		if !session.statement.columnMap.contain(table.Updated) &&
+			!session.statement.omitColumnMap.contain(table.Updated) {
 			colNames = append(colNames, session.engine.Quote(table.Updated)+" = ?")
 			col := table.UpdatedColumn()
 			val, t := session.engine.nowTime(col)
@@ -362,12 +361,11 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 		}
 	}
 
-	if table != nil {
-		if cacher := session.engine.getCacher2(table); cacher != nil && session.statement.UseCache {
-			//session.cacheUpdate(table, tableName, sqlStr, args...)
-			cacher.ClearIds(tableName)
-			cacher.ClearBeans(tableName)
-		}
+	if cacher := session.engine.getCacher(tableName); cacher != nil && session.statement.UseCache {
+		//session.cacheUpdate(table, tableName, sqlStr, args...)
+		session.engine.logger.Debug("[cacheUpdate] clear table ", tableName)
+		cacher.ClearIds(tableName)
+		cacher.ClearBeans(tableName)
 	}
 
 	// handle after update processors
@@ -402,3 +400,92 @@ func (session *Session) Update(bean interface{}, condiBean ...interface{}) (int6
 
 	return res.RowsAffected()
 }
+
+func (session *Session) genUpdateColumns(bean interface{}) ([]string, []interface{}, error) {
+	table := session.statement.RefTable
+	colNames := make([]string, 0, len(table.ColumnsSeq()))
+	args := make([]interface{}, 0, len(table.ColumnsSeq()))
+
+	for _, col := range table.Columns() {
+		if !col.IsVersion && !col.IsCreated && !col.IsUpdated {
+			if session.statement.omitColumnMap.contain(col.Name) {
+				continue
+			}
+		}
+		if col.MapType == core.ONLYFROMDB {
+			continue
+		}
+
+		fieldValuePtr, err := col.ValueOf(bean)
+		if err != nil {
+			return nil, nil, err
+		}
+		fieldValue := *fieldValuePtr
+
+		if col.IsAutoIncrement {
+			switch fieldValue.Type().Kind() {
+			case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int, reflect.Int64:
+				if fieldValue.Int() == 0 {
+					continue
+				}
+			case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint, reflect.Uint64:
+				if fieldValue.Uint() == 0 {
+					continue
+				}
+			case reflect.String:
+				if len(fieldValue.String()) == 0 {
+					continue
+				}
+			case reflect.Ptr:
+				if fieldValue.Pointer() == 0 {
+					continue
+				}
+			}
+		}
+
+		if (col.IsDeleted && !session.statement.unscoped) || col.IsCreated {
+			continue
+		}
+
+		if len(session.statement.columnMap) > 0 {
+			if !session.statement.columnMap.contain(col.Name) {
+				continue
+			} else if _, ok := session.statement.incrColumns[col.Name]; ok {
+				continue
+			} else if _, ok := session.statement.decrColumns[col.Name]; ok {
+				continue
+			}
+		}
+
+		// !evalphobia! set fieldValue as nil when column is nullable and zero-value
+		if _, ok := getFlagForColumn(session.statement.nullableMap, col); ok {
+			if col.Nullable && isZero(fieldValue.Interface()) {
+				var nilValue *int
+				fieldValue = reflect.ValueOf(nilValue)
+			}
+		}
+
+		if col.IsUpdated && session.statement.UseAutoTime /*&& isZero(fieldValue.Interface())*/ {
+			// if time is non-empty, then set to auto time
+			val, t := session.engine.nowTime(col)
+			args = append(args, val)
+
+			var colName = col.Name
+			session.afterClosures = append(session.afterClosures, func(bean interface{}) {
+				col := table.GetColumn(colName)
+				setColumnTime(bean, col, t)
+			})
+		} else if col.IsVersion && session.statement.checkVersion {
+			args = append(args, 1)
+		} else {
+			arg, err := session.value2Interface(col, fieldValue)
+			if err != nil {
+				return colNames, args, err
+			}
+			args = append(args, arg)
+		}
+
+		colNames = append(colNames, session.engine.Quote(col.Name)+" = ?")
+	}
+	return colNames, args, nil
+}

vendor/github.com/go-xorm/xorm/statement.go

@@ -5,7 +5,6 @@
 package xorm
 
 import (
-	"bytes"
 	"database/sql/driver"
 	"encoding/json"
 	"errors"
@@ -18,21 +17,6 @@ import (
 	"github.com/go-xorm/core"
 )
 
-type incrParam struct {
-	colName string
-	arg     interface{}
-}
-
-type decrParam struct {
-	colName string
-	arg     interface{}
-}
-
-type exprParam struct {
-	colName string
-	expr    string
-}
-
 // Statement save all the sql info for executing SQL
 type Statement struct {
 	RefTable        *core.Table
@@ -47,7 +31,6 @@ type Statement struct {
 	HavingStr       string
 	ColumnStr       string
 	selectStr       string
-	columnMap       map[string]bool
 	useAllCols      bool
 	OmitStr         string
 	AltTableName    string
@@ -67,6 +50,8 @@ type Statement struct {
 	allUseBool      bool
 	checkVersion    bool
 	unscoped        bool
+	columnMap       columnMap
+	omitColumnMap   columnMap
 	mustColumnMap   map[string]bool
 	nullableMap     map[string]bool
 	incrColumns     map[string]incrParam
@@ -74,6 +59,7 @@ type Statement struct {
 	exprColumns     map[string]exprParam
 	cond            builder.Cond
 	bufferSize      int
+	context         ContextCache
 }
 
 // Init reset all the statement's fields
@@ -89,7 +75,8 @@ func (statement *Statement) Init() {
 	statement.HavingStr = ""
 	statement.ColumnStr = ""
 	statement.OmitStr = ""
-	statement.columnMap = make(map[string]bool)
+	statement.columnMap = columnMap{}
+	statement.omitColumnMap = columnMap{}
 	statement.AltTableName = ""
 	statement.tableName = ""
 	statement.idParam = nil
@@ -113,6 +100,7 @@ func (statement *Statement) Init() {
 	statement.exprColumns = make(map[string]exprParam)
 	statement.cond = builder.NewCond()
 	statement.bufferSize = 0
+	statement.context = nil
 }
 
 // NoAutoCondition if you do not want convert bean's field as query condition, then use this function
@@ -221,34 +209,33 @@ func (statement *Statement) setRefValue(v reflect.Value) error {
 	if err != nil {
 		return err
 	}
-	statement.tableName = statement.Engine.tbName(v)
+	statement.tableName = statement.Engine.TableName(v, true)
 	return nil
 }
 
-// Table tempororily set table name, the parameter could be a string or a pointer of struct
-func (statement *Statement) Table(tableNameOrBean interface{}) *Statement {
-	v := rValue(tableNameOrBean)
-	t := v.Type()
-	if t.Kind() == reflect.String {
-		statement.AltTableName = tableNameOrBean.(string)
-	} else if t.Kind() == reflect.Struct {
-		var err error
-		statement.RefTable, err = statement.Engine.autoMapType(v)
-		if err != nil {
-			statement.Engine.logger.Error(err)
-			return statement
-		}
-		statement.AltTableName = statement.Engine.tbName(v)
+func (statement *Statement) setRefBean(bean interface{}) error {
+	var err error
+	statement.RefTable, err = statement.Engine.autoMapType(rValue(bean))
+	if err != nil {
+		return err
 	}
-	return statement
+	statement.tableName = statement.Engine.TableName(bean, true)
+	return nil
 }
 
 // Auto generating update columnes and values according a struct
-func buildUpdates(engine *Engine, table *core.Table, bean interface{},
-	includeVersion bool, includeUpdated bool, includeNil bool,
-	includeAutoIncr bool, allUseBool bool, useAllCols bool,
-	mustColumnMap map[string]bool, nullableMap map[string]bool,
-	columnMap map[string]bool, update, unscoped bool) ([]string, []interface{}) {
+func (statement *Statement) buildUpdates(bean interface{},
+	includeVersion, includeUpdated, includeNil,
+	includeAutoIncr, update bool) ([]string, []interface{}) {
+	engine := statement.Engine
+	table := statement.RefTable
+	allUseBool := statement.allUseBool
+	useAllCols := statement.useAllCols
+	mustColumnMap := statement.mustColumnMap
+	nullableMap := statement.nullableMap
+	columnMap := statement.columnMap
+	omitColumnMap := statement.omitColumnMap
+	unscoped := statement.unscoped
 
 	var colNames = make([]string, 0)
 	var args = make([]interface{}, 0)
@@ -268,7 +255,14 @@ func buildUpdates(engine *Engine, table *core.Table, bean interface{},
 		if col.IsDeleted && !unscoped {
 			continue
 		}
-		if use, ok := columnMap[strings.ToLower(col.Name)]; ok && !use {
+		if omitColumnMap.contain(col.Name) {
+			continue
+		}
+		if len(columnMap) > 0 && !columnMap.contain(col.Name) {
+			continue
+		}
+
+		if col.MapType == core.ONLYFROMDB {
 			continue
 		}
 
@@ -604,17 +598,10 @@ func (statement *Statement) col2NewColsWithQuote(columns ...string) []string {
 }
 
 func (statement *Statement) colmap2NewColsWithQuote() []string {
-	newColumns := make([]string, 0, len(statement.columnMap))
-	for col := range statement.columnMap {
-		fields := strings.Split(strings.TrimSpace(col), ".")
-		if len(fields) == 1 {
-			newColumns = append(newColumns, statement.Engine.quote(fields[0]))
-		} else if len(fields) == 2 {
-			newColumns = append(newColumns, statement.Engine.quote(fields[0])+"."+
-				statement.Engine.quote(fields[1]))
-		} else {
-			panic(errors.New("unwanted colnames"))
-		}
+	newColumns := make([]string, len(statement.columnMap), len(statement.columnMap))
+	copy(newColumns, statement.columnMap)
+	for i := 0; i < len(statement.columnMap); i++ {
+		newColumns[i] = statement.Engine.Quote(newColumns[i])
 	}
 	return newColumns
 }
@@ -642,10 +629,11 @@ func (statement *Statement) Select(str string) *Statement {
 func (statement *Statement) Cols(columns ...string) *Statement {
 	cols := col2NewCols(columns...)
 	for _, nc := range cols {
-		statement.columnMap[strings.ToLower(nc)] = true
+		statement.columnMap.add(nc)
 	}
 
 	newColumns := statement.colmap2NewColsWithQuote()
+
 	statement.ColumnStr = strings.Join(newColumns, ", ")
 	statement.ColumnStr = strings.Replace(statement.ColumnStr, statement.Engine.quote("*"), "*", -1)
 	return statement
@@ -680,7 +668,7 @@ func (statement *Statement) UseBool(columns ...string) *Statement {
 func (statement *Statement) Omit(columns ...string) {
 	newColumns := col2NewCols(columns...)
 	for _, nc := range newColumns {
-		statement.columnMap[strings.ToLower(nc)] = false
+		statement.omitColumnMap = append(statement.omitColumnMap, nc)
 	}
 	statement.OmitStr = statement.Engine.Quote(strings.Join(newColumns, statement.Engine.Quote(", ")))
 }
@@ -719,10 +707,9 @@ func (statement *Statement) OrderBy(order string) *Statement {
 
 // Desc generate `ORDER BY xx DESC`
 func (statement *Statement) Desc(colNames ...string) *Statement {
-	var buf bytes.Buffer
-	fmt.Fprintf(&buf, statement.OrderStr)
+	var buf builder.StringBuilder
 	if len(statement.OrderStr) > 0 {
-		fmt.Fprint(&buf, ", ")
+		fmt.Fprint(&buf, statement.OrderStr, ", ")
 	}
 	newColNames := statement.col2NewColsWithQuote(colNames...)
 	fmt.Fprintf(&buf, "%v DESC", strings.Join(newColNames, " DESC, "))
@@ -732,10 +719,9 @@ func (statement *Statement) Desc(colNames ...string) *Statement {
 
 // Asc provide asc order by query condition, the input parameters are columns.
 func (statement *Statement) Asc(colNames ...string) *Statement {
-	var buf bytes.Buffer
-	fmt.Fprintf(&buf, statement.OrderStr)
+	var buf builder.StringBuilder
 	if len(statement.OrderStr) > 0 {
-		fmt.Fprint(&buf, ", ")
+		fmt.Fprint(&buf, statement.OrderStr, ", ")
 	}
 	newColNames := statement.col2NewColsWithQuote(colNames...)
 	fmt.Fprintf(&buf, "%v ASC", strings.Join(newColNames, " ASC, "))
@@ -743,48 +729,35 @@ func (statement *Statement) Asc(colNames ...string) *Statement {
 	return statement
 }
 
+// Table tempororily set table name, the parameter could be a string or a pointer of struct
+func (statement *Statement) Table(tableNameOrBean interface{}) *Statement {
+	v := rValue(tableNameOrBean)
+	t := v.Type()
+	if t.Kind() == reflect.Struct {
+		var err error
+		statement.RefTable, err = statement.Engine.autoMapType(v)
+		if err != nil {
+			statement.Engine.logger.Error(err)
+			return statement
+		}
+	}
+
+	statement.AltTableName = statement.Engine.TableName(tableNameOrBean, true)
+	return statement
+}
+
 // Join The joinOP should be one of INNER, LEFT OUTER, CROSS etc - this will be prepended to JOIN
 func (statement *Statement) Join(joinOP string, tablename interface{}, condition string, args ...interface{}) *Statement {
-	var buf bytes.Buffer
+	var buf builder.StringBuilder
 	if len(statement.JoinStr) > 0 {
 		fmt.Fprintf(&buf, "%v %v JOIN ", statement.JoinStr, joinOP)
 	} else {
 		fmt.Fprintf(&buf, "%v JOIN ", joinOP)
 	}
 
-	switch tablename.(type) {
-	case []string:
-		t := tablename.([]string)
-		if len(t) > 1 {
-			fmt.Fprintf(&buf, "%v AS %v", statement.Engine.Quote(t[0]), statement.Engine.Quote(t[1]))
-		} else if len(t) == 1 {
-			fmt.Fprintf(&buf, statement.Engine.Quote(t[0]))
-		}
-	case []interface{}:
-		t := tablename.([]interface{})
-		l := len(t)
-		var table string
-		if l > 0 {
-			f := t[0]
-			v := rValue(f)
-			t := v.Type()
-			if t.Kind() == reflect.String {
-				table = f.(string)
-			} else if t.Kind() == reflect.Struct {
-				table = statement.Engine.tbName(v)
-			}
-		}
-		if l > 1 {
-			fmt.Fprintf(&buf, "%v AS %v", statement.Engine.Quote(table),
-				statement.Engine.Quote(fmt.Sprintf("%v", t[1])))
-		} else if l == 1 {
-			fmt.Fprintf(&buf, statement.Engine.Quote(table))
-		}
-	default:
-		fmt.Fprintf(&buf, statement.Engine.Quote(fmt.Sprintf("%v", tablename)))
-	}
+	tbName := statement.Engine.TableName(tablename, true)
 
-	fmt.Fprintf(&buf, " ON %v", condition)
+	fmt.Fprintf(&buf, "%s ON %v", tbName, condition)
 	statement.JoinStr = buf.String()
 	statement.joinArgs = append(statement.joinArgs, args...)
 	return statement
@@ -809,18 +782,20 @@ func (statement *Statement) Unscoped() *Statement {
 }
 
 func (statement *Statement) genColumnStr() string {
-	var buf bytes.Buffer
 	if statement.RefTable == nil {
 		return ""
 	}
 
+	var buf builder.StringBuilder
 	columns := statement.RefTable.Columns()
 
 	for _, col := range columns {
-		if statement.OmitStr != "" {
-			if _, ok := getFlagForColumn(statement.columnMap, col); ok {
-				continue
-			}
+		if statement.omitColumnMap.contain(col.Name) {
+			continue
+		}
+
+		if len(statement.columnMap) > 0 && !statement.columnMap.contain(col.Name) {
+			continue
 		}
 
 		if col.MapType == core.ONLYTODB {
@@ -831,10 +806,6 @@ func (statement *Statement) genColumnStr() string {
 			buf.WriteString(", ")
 		}
 
-		if col.IsPrimaryKey && statement.Engine.Dialect().DBType() == "ql" {
-			buf.WriteString("id() AS ")
-		}
-
 		if statement.JoinStr != "" {
 			if statement.TableAlias != "" {
 				buf.WriteString(statement.TableAlias)
@@ -859,11 +830,13 @@ func (statement *Statement) genCreateTableSQL() string {
 func (statement *Statement) genIndexSQL() []string {
 	var sqls []string
 	tbName := statement.TableName()
-	quote := statement.Engine.Quote
-	for idxName, index := range statement.RefTable.Indexes {
+	for _, index := range statement.RefTable.Indexes {
 		if index.Type == core.IndexType {
-			sql := fmt.Sprintf("CREATE INDEX %v ON %v (%v);", quote(indexName(tbName, idxName)),
-				quote(tbName), quote(strings.Join(index.Cols, quote(","))))
+			sql := statement.Engine.dialect.CreateIndexSql(tbName, index)
+			/*idxTBName := strings.Replace(tbName, ".", "_", -1)
+			idxTBName = strings.Replace(idxTBName, `"`, "", -1)
+			sql := fmt.Sprintf("CREATE INDEX %v ON %v (%v);", quote(indexName(idxTBName, idxName)),
+				quote(tbName), quote(strings.Join(index.Cols, quote(","))))*/
 			sqls = append(sqls, sql)
 		}
 	}
@@ -889,16 +862,18 @@ func (statement *Statement) genUniqueSQL() []string {
 func (statement *Statement) genDelIndexSQL() []string {
 	var sqls []string
 	tbName := statement.TableName()
+	idxPrefixName := strings.Replace(tbName, `"`, "", -1)
+	idxPrefixName = strings.Replace(idxPrefixName, `.`, "_", -1)
 	for idxName, index := range statement.RefTable.Indexes {
 		var rIdxName string
 		if index.Type == core.UniqueType {
-			rIdxName = uniqueName(tbName, idxName)
+			rIdxName = uniqueName(idxPrefixName, idxName)
 		} else if index.Type == core.IndexType {
-			rIdxName = indexName(tbName, idxName)
+			rIdxName = indexName(idxPrefixName, idxName)
 		}
-		sql := fmt.Sprintf("DROP INDEX %v", statement.Engine.Quote(rIdxName))
+		sql := fmt.Sprintf("DROP INDEX %v", statement.Engine.Quote(statement.Engine.TableName(rIdxName, true)))
 		if statement.Engine.dialect.IndexOnTable() {
-			sql += fmt.Sprintf(" ON %v", statement.Engine.Quote(statement.TableName()))
+			sql += fmt.Sprintf(" ON %v", statement.Engine.Quote(tbName))
 		}
 		sqls = append(sqls, sql)
 	}
@@ -949,7 +924,7 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 	v := rValue(bean)
 	isStruct := v.Kind() == reflect.Struct
 	if isStruct {
-		statement.setRefValue(v)
+		statement.setRefBean(bean)
 	}
 
 	var columnStr = statement.ColumnStr
@@ -960,7 +935,7 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 		if len(statement.JoinStr) == 0 {
 			if len(columnStr) == 0 {
 				if len(statement.GroupByStr) > 0 {
-					columnStr = statement.Engine.Quote(strings.Replace(statement.GroupByStr, ",", statement.Engine.Quote(","), -1))
+					columnStr = statement.Engine.quoteColumns(statement.GroupByStr)
 				} else {
 					columnStr = statement.genColumnStr()
 				}
@@ -968,7 +943,7 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 		} else {
 			if len(columnStr) == 0 {
 				if len(statement.GroupByStr) > 0 {
-					columnStr = statement.Engine.Quote(strings.Replace(statement.GroupByStr, ",", statement.Engine.Quote(","), -1))
+					columnStr = statement.Engine.quoteColumns(statement.GroupByStr)
 				}
 			}
 		}
@@ -982,13 +957,17 @@ func (statement *Statement) genGetSQL(bean interface{}) (string, []interface{},
 		if err := statement.mergeConds(bean); err != nil {
 			return "", nil, err
 		}
+	} else {
+		if err := statement.processIDParam(); err != nil {
+			return "", nil, err
+		}
 	}
 	condSQL, condArgs, err := builder.ToSQL(statement.cond)
 	if err != nil {
 		return "", nil, err
 	}
 
-	sqlStr, err := statement.genSelectSQL(columnStr, condSQL)
+	sqlStr, err := statement.genSelectSQL(columnStr, condSQL, true, true)
 	if err != nil {
 		return "", nil, err
 	}
@@ -1001,7 +980,7 @@ func (statement *Statement) genCountSQL(beans ...interface{}) (string, []interfa
 	var condArgs []interface{}
 	var err error
 	if len(beans) > 0 {
-		statement.setRefValue(rValue(beans[0]))
+		statement.setRefBean(beans[0])
 		condSQL, condArgs, err = statement.genConds(beans[0])
 	} else {
 		condSQL, condArgs, err = builder.ToSQL(statement.cond)
@@ -1018,7 +997,7 @@ func (statement *Statement) genCountSQL(beans ...interface{}) (string, []interfa
 			selectSQL = "count(*)"
 		}
 	}
-	sqlStr, err := statement.genSelectSQL(selectSQL, condSQL)
+	sqlStr, err := statement.genSelectSQL(selectSQL, condSQL, false, false)
 	if err != nil {
 		return "", nil, err
 	}
@@ -1027,7 +1006,7 @@ func (statement *Statement) genCountSQL(beans ...interface{}) (string, []interfa
 }
 
 func (statement *Statement) genSumSQL(bean interface{}, columns ...string) (string, []interface{}, error) {
-	statement.setRefValue(rValue(bean))
+	statement.setRefBean(bean)
 
 	var sumStrs = make([]string, 0, len(columns))
 	for _, colName := range columns {
@@ -1043,7 +1022,7 @@ func (statement *Statement) genSumSQL(bean interface{}, columns ...string) (stri
 		return "", nil, err
 	}
 
-	sqlStr, err := statement.genSelectSQL(sumSelect, condSQL)
+	sqlStr, err := statement.genSelectSQL(sumSelect, condSQL, true, true)
 	if err != nil {
 		return "", nil, err
 	}
@@ -1051,27 +1030,20 @@ func (statement *Statement) genSumSQL(bean interface{}, columns ...string) (stri
 	return sqlStr, append(statement.joinArgs, condArgs...), nil
 }
 
-func (statement *Statement) genSelectSQL(columnStr, condSQL string) (a string, err error) {
-	var distinct string
+func (statement *Statement) genSelectSQL(columnStr, condSQL string, needLimit, needOrderBy bool) (string, error) {
+	var (
+		distinct                  string
+		dialect                   = statement.Engine.Dialect()
+		quote                     = statement.Engine.Quote
+		fromStr                   = " FROM "
+		top, mssqlCondi, whereStr string
+	)
 	if statement.IsDistinct && !strings.HasPrefix(columnStr, "count") {
 		distinct = "DISTINCT "
 	}
-
-	var dialect = statement.Engine.Dialect()
-	var quote = statement.Engine.Quote
-	var top string
-	var mssqlCondi string
-
-	if err := statement.processIDParam(); err != nil {
-		return "", err
-	}
-
-	var buf bytes.Buffer
 	if len(condSQL) > 0 {
-		fmt.Fprintf(&buf, " WHERE %v", condSQL)
+		whereStr = " WHERE " + condSQL
 	}
-	var whereStr = buf.String()
-	var fromStr = " FROM "
 
 	if dialect.DBType() == core.MSSQL && strings.Contains(statement.TableName(), "..") {
 		fromStr += statement.TableName()
@@ -1118,9 +1090,10 @@ func (statement *Statement) genSelectSQL(columnStr, condSQL string) (a string, e
 			}
 
 			var orderStr string
-			if len(statement.OrderStr) > 0 {
+			if needOrderBy && len(statement.OrderStr) > 0 {
 				orderStr = " ORDER BY " + statement.OrderStr
 			}
+
 			var groupStr string
 			if len(statement.GroupByStr) > 0 {
 				groupStr = " GROUP BY " + statement.GroupByStr
@@ -1130,45 +1103,50 @@ func (statement *Statement) genSelectSQL(columnStr, condSQL string) (a string, e
 		}
 	}
 
-	// !nashtsai! REVIEW Sprintf is considered slowest mean of string concatnation, better to work with builder pattern
-	a = fmt.Sprintf("SELECT %v%v%v%v%v", distinct, top, columnStr, fromStr, whereStr)
+	var buf builder.StringBuilder
+	fmt.Fprintf(&buf, "SELECT %v%v%v%v%v", distinct, top, columnStr, fromStr, whereStr)
 	if len(mssqlCondi) > 0 {
 		if len(whereStr) > 0 {
-			a += " AND " + mssqlCondi
+			fmt.Fprint(&buf, " AND ", mssqlCondi)
 		} else {
-			a += " WHERE " + mssqlCondi
+			fmt.Fprint(&buf, " WHERE ", mssqlCondi)
 		}
 	}
 
 	if statement.GroupByStr != "" {
-		a = fmt.Sprintf("%v GROUP BY %v", a, statement.GroupByStr)
+		fmt.Fprint(&buf, " GROUP BY ", statement.GroupByStr)
 	}
 	if statement.HavingStr != "" {
-		a = fmt.Sprintf("%v %v", a, statement.HavingStr)
+		fmt.Fprint(&buf, " ", statement.HavingStr)
 	}
-	if statement.OrderStr != "" {
-		a = fmt.Sprintf("%v ORDER BY %v", a, statement.OrderStr)
+	if needOrderBy && statement.OrderStr != "" {
+		fmt.Fprint(&buf, " ORDER BY ", statement.OrderStr)
 	}
-	if dialect.DBType() != core.MSSQL && dialect.DBType() != core.ORACLE {
-		if statement.Start > 0 {
-			a = fmt.Sprintf("%v LIMIT %v OFFSET %v", a, statement.LimitN, statement.Start)
-		} else if statement.LimitN > 0 {
-			a = fmt.Sprintf("%v LIMIT %v", a, statement.LimitN)
-		}
-	} else if dialect.DBType() == core.ORACLE {
-		if statement.Start != 0 || statement.LimitN != 0 {
-			a = fmt.Sprintf("SELECT %v FROM (SELECT %v,ROWNUM RN FROM (%v) at WHERE ROWNUM <= %d) aat WHERE RN > %d", columnStr, columnStr, a, statement.Start+statement.LimitN, statement.Start)
+	if needLimit {
+		if dialect.DBType() != core.MSSQL && dialect.DBType() != core.ORACLE {
+			if statement.Start > 0 {
+				fmt.Fprintf(&buf, " LIMIT %v OFFSET %v", statement.LimitN, statement.Start)
+			} else if statement.LimitN > 0 {
+				fmt.Fprint(&buf, " LIMIT ", statement.LimitN)
+			}
+		} else if dialect.DBType() == core.ORACLE {
+			if statement.Start != 0 || statement.LimitN != 0 {
+				oldString := buf.String()
+				buf.Reset()
+				fmt.Fprintf(&buf, "SELECT %v FROM (SELECT %v,ROWNUM RN FROM (%v) at WHERE ROWNUM <= %d) aat WHERE RN > %d",
+					columnStr, columnStr, oldString, statement.Start+statement.LimitN, statement.Start)
+			}
 		}
 	}
 	if statement.IsForUpdate {
-		a = dialect.ForUpdateSql(a)
+		return dialect.ForUpdateSql(buf.String()), nil
 	}
 
-	return
+	return buf.String(), nil
 }
 
 func (statement *Statement) processIDParam() error {
-	if statement.idParam == nil {
+	if statement.idParam == nil || statement.RefTable == nil {
 		return nil
 	}
 

vendor/github.com/go-xorm/xorm/transaction.go

@@ -0,0 +1,26 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+// Transaction Execute sql wrapped in a transaction(abbr as tx), tx will automatic commit if no errors occurred
+func (engine *Engine) Transaction(f func(*Session) (interface{}, error)) (interface{}, error) {
+	session := engine.NewSession()
+	defer session.Close()
+
+	if err := session.Begin(); err != nil {
+		return nil, err
+	}
+
+	result, err := f(session)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := session.Commit(); err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}

vendor/github.com/go-xorm/xorm/xorm.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build go1.8
+
 package xorm
 
 import (
@@ -17,7 +19,7 @@ import (
 
 const (
 	// Version show the xorm's version
-	Version string = "0.6.4.0910"
+	Version string = "0.7.0.0504"
 )
 
 func regDrvsNDialects() bool {
@@ -31,7 +33,7 @@ func regDrvsNDialects() bool {
 		"mysql":    {"mysql", func() core.Driver { return &mysqlDriver{} }, func() core.Dialect { return &mysql{} }},
 		"mymysql":  {"mysql", func() core.Driver { return &mymysqlDriver{} }, func() core.Dialect { return &mysql{} }},
 		"postgres": {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
-		"pgx":      {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
+		"pgx":      {"postgres", func() core.Driver { return &pqDriverPgx{} }, func() core.Dialect { return &postgres{} }},
 		"sqlite3":  {"sqlite3", func() core.Driver { return &sqlite3Driver{} }, func() core.Dialect { return &sqlite3{} }},
 		"oci8":     {"oracle", func() core.Driver { return &oci8Driver{} }, func() core.Dialect { return &oracle{} }},
 		"goracle":  {"oracle", func() core.Driver { return &goracleDriver{} }, func() core.Dialect { return &oracle{} }},
@@ -90,6 +92,7 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 		TagIdentifier: "xorm",
 		TZLocation:    time.Local,
 		tagHandlers:   defaultTagHandlers,
+		cachers:       make(map[string]core.Cacher),
 	}
 
 	if uri.DbType == core.SQLITE {
@@ -108,6 +111,13 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 	return engine, nil
 }
 
+// NewEngineWithParams new a db manager with params. The params will be passed to dialect.
+func NewEngineWithParams(driverName string, dataSourceName string, params map[string]string) (*Engine, error) {
+	engine, err := NewEngine(driverName, dataSourceName)
+	engine.dialect.SetParams(params)
+	return engine, err
+}
+
 // Clone clone an engine
 func (engine *Engine) Clone() (*Engine, error) {
 	return NewEngine(engine.DriverName(), engine.DataSourceName())