More progress on db schema setup and migrations, tricky stuff

pkg/services/sqlstore/migrations/builder.go

@@ -3,9 +3,27 @@ package migrations
 type migration struct {
 	desc        string
 	sqlite      string
+	mysql       string
 	verifyTable string
 }
 
+type columnType string
+
+const (
+	DB_TYPE_STRING columnType = "String"
+)
+
+func (m *migration) getSql(dbType string) string {
+	switch dbType {
+	case "mysql":
+		return m.mysql
+	case "sqlite3":
+		return m.sqlite
+	}
+
+	panic("db type not supported")
+}
+
 type migrationBuilder struct {
 	migration *migration
 }
@@ -15,6 +33,11 @@ func (b *migrationBuilder) sqlite(sql string) *migrationBuilder {
 	return b
 }
 
+func (b *migrationBuilder) mysql(sql string) *migrationBuilder {
+	b.migration.mysql = sql
+	return b
+}
+
 func (b *migrationBuilder) verifyTable(name string) *migrationBuilder {
 	b.migration.verifyTable = name
 	return b