Final work on migration, now there is no usage of xorm table sync

pkg/services/sqlstore/migrator/dialect.go

@@ -15,6 +15,7 @@ type Dialect interface {
 	EqStr() string
 	ShowCreateNull() bool
 	SqlType(col *Column) string
+	SupportEngine() bool
 
 	CreateIndexSql(tableName string, index *Index) string
 	CreateTableSql(table *Table) string
@@ -85,6 +86,10 @@ func (b *BaseDialect) CreateTableSql(table *Table) string {
 	}
 
 	sql = sql[:len(sql)-2] + ")"
+	if b.dialect.SupportEngine() {
+		sql += " ENGINE=InnoDB DEFAULT CHARSET UTF8 "
+	}
+
 	sql += ";"
 	return sql
 }