Upgrade xorm to v1.0.1 and fix start fail with potgres (#10819)

* upgrade xorm to v1.0.1

* fix start fail with postgres

Co-authored-by: zeripath <art27@cantab.net>

8 files changed, 129 insertions, 119 deletions

diff --git a/vendor/xorm.io/xorm/dialects/dialect.go b/vendor/xorm.io/xorm/dialects/dialect.go
index 4fdf35e94e..3c98a4a5b0 100644
--- a/vendor/xorm.io/xorm/dialects/dialect.go
+++ b/vendor/xorm.io/xorm/dialects/dialect.go
@@ -32,19 +32,18 @@ type URI struct {
 
 // SetSchema set schema
 func (uri *URI) SetSchema(schema string) {
+	// hack me
 	if uri.DBType == schemas.POSTGRES {
-		uri.Schema = schema
+		uri.Schema = strings.TrimSpace(schema)
 	}
 }
 
 // Dialect represents a kind of database
 type Dialect interface {
-	Init(*core.DB, *URI) error
+	Init(*URI) error
 	URI() *URI
-	DB() *core.DB
 	SQLType(*schemas.Column) string
 	FormatBytes(b []byte) string
-	DefaultSchema() string
 
 	IsReserved(string) bool
 	Quoter() schemas.Quoter
@@ -52,18 +51,18 @@ type Dialect interface {
 
 	AutoIncrStr() string
 
-	GetIndexes(ctx context.Context, tableName string) (map[string]*schemas.Index, error)
+	GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error)
 	IndexCheckSQL(tableName, idxName string) (string, []interface{})
 	CreateIndexSQL(tableName string, index *schemas.Index) string
 	DropIndexSQL(tableName string, index *schemas.Index) string
 
-	GetTables(ctx context.Context) ([]*schemas.Table, error)
-	IsTableExist(ctx context.Context, tableName string) (bool, error)
+	GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error)
+	IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error)
 	CreateTableSQL(table *schemas.Table, tableName string) ([]string, bool)
 	DropTableSQL(tableName string) (string, bool)
 
-	GetColumns(ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error)
-	IsColumnExist(ctx context.Context, tableName string, colName string) (bool, error)
+	GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error)
+	IsColumnExist(queryer core.Queryer, ctx context.Context, tableName string, colName string) (bool, error)
 	AddColumnSQL(tableName string, col *schemas.Column) string
 	ModifyColumnSQL(tableName string, col *schemas.Column) string
 
@@ -75,7 +74,6 @@ type Dialect interface {
 
 // Base represents a basic dialect and all real dialects could embed this struct
 type Base struct {
-	db      *core.DB
 	dialect Dialect
 	uri     *URI
 	quoter  schemas.Quoter
@@ -85,16 +83,8 @@ func (b *Base) Quoter() schemas.Quoter {
 	return b.quoter
 }
 
-func (b *Base) DB() *core.DB {
-	return b.db
-}
-
-func (b *Base) DefaultSchema() string {
-	return ""
-}
-
-func (b *Base) Init(db *core.DB, dialect Dialect, uri *URI) error {
-	b.db, b.dialect, b.uri = db, dialect, uri
+func (b *Base) Init(dialect Dialect, uri *URI) error {
+	b.dialect, b.uri = dialect, uri
 	return nil
 }
 
@@ -160,8 +150,8 @@ func (db *Base) DropTableSQL(tableName string) (string, bool) {
 	return fmt.Sprintf("DROP TABLE IF EXISTS %s", quote(tableName)), true
 }
 
-func (db *Base) HasRecords(ctx context.Context, query string, args ...interface{}) (bool, error) {
-	rows, err := db.DB().QueryContext(ctx, query, args...)
+func (db *Base) HasRecords(queryer core.Queryer, ctx context.Context, query string, args ...interface{}) (bool, error) {
+	rows, err := queryer.QueryContext(ctx, query, args...)
 	if err != nil {
 		return false, err
 	}
@@ -173,7 +163,7 @@ func (db *Base) HasRecords(ctx context.Context, query string, args ...interface{
 	return false, nil
 }
 
-func (db *Base) IsColumnExist(ctx context.Context, tableName, colName string) (bool, error) {
+func (db *Base) IsColumnExist(queryer core.Queryer, ctx context.Context, tableName, colName string) (bool, error) {
 	quote := db.dialect.Quoter().Quote
 	query := fmt.Sprintf(
 		"SELECT %v FROM %v.%v WHERE %v = ? AND %v = ? AND %v = ?",
@@ -184,7 +174,7 @@ func (db *Base) IsColumnExist(ctx context.Context, tableName, colName string) (b
 		quote("TABLE_NAME"),
 		quote("COLUMN_NAME"),
 	)
-	return db.HasRecords(ctx, query, db.uri.DBName, tableName, colName)
+	return db.HasRecords(queryer, ctx, query, db.uri.DBName, tableName, colName)
 }
 
 func (db *Base) AddColumnSQL(tableName string, col *schemas.Column) string {
diff --git a/vendor/xorm.io/xorm/dialects/driver.go b/vendor/xorm.io/xorm/dialects/driver.go
index 89d21bfc34..ae3afe4254 100644
--- a/vendor/xorm.io/xorm/dialects/driver.go
+++ b/vendor/xorm.io/xorm/dialects/driver.go
@@ -6,8 +6,6 @@ package dialects
 
 import (
 	"fmt"
-
-	"xorm.io/xorm/core"
 )
 
 type Driver interface {
@@ -53,11 +51,7 @@ func OpenDialect(driverName, connstr string) (Dialect, error) {
 		return nil, fmt.Errorf("Unsupported dialect type: %v", uri.DBType)
 	}
 
-	db, err := core.Open(driverName, connstr)
-	if err != nil {
-		return nil, err
-	}
-	dialect.Init(db, uri)
+	dialect.Init(uri)
 
 	return dialect, nil
 }
diff --git a/vendor/xorm.io/xorm/dialects/mssql.go b/vendor/xorm.io/xorm/dialects/mssql.go
index dd3f4247eb..92457ff928 100644
--- a/vendor/xorm.io/xorm/dialects/mssql.go
+++ b/vendor/xorm.io/xorm/dialects/mssql.go
@@ -212,9 +212,9 @@ type mssql struct {
 	Base
 }
 
-func (db *mssql) Init(d *core.DB, uri *URI) error {
+func (db *mssql) Init(uri *URI) error {
 	db.quoter = mssqlQuoter
-	return db.Base.Init(d, db, uri)
+	return db.Base.Init(db, uri)
 }
 
 func (db *mssql) SQLType(c *schemas.Column) string {
@@ -319,18 +319,18 @@ func (db *mssql) IndexCheckSQL(tableName, idxName string) (string, []interface{}
 	return sql, args
 }
 
-func (db *mssql) IsColumnExist(ctx context.Context, tableName, colName string) (bool, error) {
+func (db *mssql) IsColumnExist(queryer core.Queryer, ctx context.Context, tableName, colName string) (bool, error) {
 	query := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
 
-	return db.HasRecords(ctx, query, tableName, colName)
+	return db.HasRecords(queryer, ctx, query, tableName, colName)
 }
 
-func (db *mssql) IsTableExist(ctx context.Context, tableName string) (bool, error) {
+func (db *mssql) IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error) {
 	sql := "select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsUserTable') = 1"
-	return db.HasRecords(ctx, sql)
+	return db.HasRecords(queryer, ctx, sql)
 }
 
-func (db *mssql) GetColumns(ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
+func (db *mssql) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
 	args := []interface{}{}
 	s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
 		  "default_is_null" = (CASE WHEN c.text is null THEN 1 ELSE 0 END),
@@ -346,7 +346,7 @@ func (db *mssql) GetColumns(ctx context.Context, tableName string) ([]string, ma
 		) as p on p.object_id = a.object_id AND p.column_id = a.column_id
           where a.object_id=object_id('` + tableName + `')`
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -401,11 +401,11 @@ func (db *mssql) GetColumns(ctx context.Context, tableName string) ([]string, ma
 	return colSeq, cols, nil
 }
 
-func (db *mssql) GetTables(ctx context.Context) ([]*schemas.Table, error) {
+func (db *mssql) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
 	args := []interface{}{}
 	s := `select name from sysobjects where xtype ='U'`
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -425,7 +425,7 @@ func (db *mssql) GetTables(ctx context.Context) ([]*schemas.Table, error) {
 	return tables, nil
 }
 
-func (db *mssql) GetIndexes(ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
+func (db *mssql) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
 	args := []interface{}{tableName}
 	s := `SELECT
 IXS.NAME                    AS  [INDEX_NAME],
@@ -439,7 +439,7 @@ AND IXCS.COLUMN_ID=C.COLUMN_ID
 WHERE IXS.TYPE_DESC='NONCLUSTERED' and OBJECT_NAME(IXS.OBJECT_ID) =?
 `
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/xorm.io/xorm/dialects/mysql.go b/vendor/xorm.io/xorm/dialects/mysql.go
index b75986809b..289e0ec7e8 100644
--- a/vendor/xorm.io/xorm/dialects/mysql.go
+++ b/vendor/xorm.io/xorm/dialects/mysql.go
@@ -179,9 +179,9 @@ type mysql struct {
 	rowFormat         string
 }
 
-func (db *mysql) Init(d *core.DB, uri *URI) error {
+func (db *mysql) Init(uri *URI) error {
 	db.quoter = mysqlQuoter
-	return db.Base.Init(d, db, uri)
+	return db.Base.Init(db, uri)
 }
 
 func (db *mysql) SetParams(params map[string]string) {
@@ -286,9 +286,9 @@ func (db *mysql) IndexCheckSQL(tableName, idxName string) (string, []interface{}
 	return sql, args
 }
 
-func (db *mysql) IsTableExist(ctx context.Context, tableName string) (bool, error) {
+func (db *mysql) IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error) {
 	sql := "SELECT `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? and `TABLE_NAME`=?"
-	return db.HasRecords(ctx, sql, db.uri.DBName, tableName)
+	return db.HasRecords(queryer, ctx, sql, db.uri.DBName, tableName)
 }
 
 func (db *mysql) AddColumnSQL(tableName string, col *schemas.Column) string {
@@ -301,12 +301,12 @@ func (db *mysql) AddColumnSQL(tableName string, col *schemas.Column) string {
 	return sql
 }
 
-func (db *mysql) GetColumns(ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
+func (db *mysql) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
 	args := []interface{}{db.uri.DBName, tableName}
 	s := "SELECT `COLUMN_NAME`, `IS_NULLABLE`, `COLUMN_DEFAULT`, `COLUMN_TYPE`," +
 		" `COLUMN_KEY`, `EXTRA`,`COLUMN_COMMENT` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -411,12 +411,12 @@ func (db *mysql) GetColumns(ctx context.Context, tableName string) ([]string, ma
 	return colSeq, cols, nil
 }
 
-func (db *mysql) GetTables(ctx context.Context) ([]*schemas.Table, error) {
+func (db *mysql) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
 	args := []interface{}{db.uri.DBName}
 	s := "SELECT `TABLE_NAME`, `ENGINE`, `AUTO_INCREMENT`, `TABLE_COMMENT` from " +
 		"`INFORMATION_SCHEMA`.`TABLES` WHERE `TABLE_SCHEMA`=? AND (`ENGINE`='MyISAM' OR `ENGINE` = 'InnoDB' OR `ENGINE` = 'TokuDB')"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -459,11 +459,11 @@ func (db *mysql) SetQuotePolicy(quotePolicy QuotePolicy) {
 	}
 }
 
-func (db *mysql) GetIndexes(ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
+func (db *mysql) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
 	args := []interface{}{db.uri.DBName, tableName}
 	s := "SELECT `INDEX_NAME`, `NON_UNIQUE`, `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`STATISTICS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ?"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/xorm.io/xorm/dialects/oracle.go b/vendor/xorm.io/xorm/dialects/oracle.go
index c48d32b973..db823e95c0 100644
--- a/vendor/xorm.io/xorm/dialects/oracle.go
+++ b/vendor/xorm.io/xorm/dialects/oracle.go
@@ -506,9 +506,9 @@ type oracle struct {
 	Base
 }
 
-func (db *oracle) Init(d *core.DB, uri *URI) error {
+func (db *oracle) Init(uri *URI) error {
 	db.quoter = oracleQuoter
-	return db.Base.Init(d, db, uri)
+	return db.Base.Init(db, uri)
 }
 
 func (db *oracle) SQLType(c *schemas.Column) string {
@@ -611,23 +611,23 @@ func (db *oracle) IndexCheckSQL(tableName, idxName string) (string, []interface{
 		`WHERE TABLE_NAME = :1 AND INDEX_NAME = :2`, args
 }
 
-func (db *oracle) IsTableExist(ctx context.Context, tableName string) (bool, error) {
-	return db.HasRecords(ctx, `SELECT table_name FROM user_tables WHERE table_name = :1`, tableName)
+func (db *oracle) IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error) {
+	return db.HasRecords(queryer, ctx, `SELECT table_name FROM user_tables WHERE table_name = :1`, tableName)
 }
 
-func (db *oracle) IsColumnExist(ctx context.Context, tableName, colName string) (bool, error) {
+func (db *oracle) IsColumnExist(queryer core.Queryer, ctx context.Context, tableName, colName string) (bool, error) {
 	args := []interface{}{tableName, colName}
 	query := "SELECT column_name FROM USER_TAB_COLUMNS WHERE table_name = :1" +
 		" AND column_name = :2"
-	return db.HasRecords(ctx, query, args...)
+	return db.HasRecords(queryer, ctx, query, args...)
 }
 
-func (db *oracle) GetColumns(ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
+func (db *oracle) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
 	args := []interface{}{tableName}
 	s := "SELECT column_name,data_default,data_type,data_length,data_precision,data_scale," +
 		"nullable FROM USER_TAB_COLUMNS WHERE table_name = :1"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -719,11 +719,11 @@ func (db *oracle) GetColumns(ctx context.Context, tableName string) ([]string, m
 	return colSeq, cols, nil
 }
 
-func (db *oracle) GetTables(ctx context.Context) ([]*schemas.Table, error) {
+func (db *oracle) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
 	args := []interface{}{}
 	s := "SELECT table_name FROM user_tables"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -742,12 +742,12 @@ func (db *oracle) GetTables(ctx context.Context) ([]*schemas.Table, error) {
 	return tables, nil
 }
 
-func (db *oracle) GetIndexes(ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
+func (db *oracle) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
 	args := []interface{}{tableName}
 	s := "SELECT t.column_name,i.uniqueness,i.index_name FROM user_ind_columns t,user_indexes i " +
 		"WHERE t.index_name = i.index_name and t.table_name = i.table_name and t.table_name =:1"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -842,7 +842,7 @@ func (p *oci8Driver) Parse(driverName, dataSourceName string) (*URI, error) {
 			db.DBName = match
 		}
 	}
-	if db.DBName == "" {
+	if db.DBName == "" && len(matches) != 0 {
 		return nil, errors.New("dbname is empty")
 	}
 	return db, nil
diff --git a/vendor/xorm.io/xorm/dialects/postgres.go b/vendor/xorm.io/xorm/dialects/postgres.go
index 0a851fe26f..16213c7629 100644
--- a/vendor/xorm.io/xorm/dialects/postgres.go
+++ b/vendor/xorm.io/xorm/dialects/postgres.go
@@ -770,22 +770,25 @@ var (
 	postgresQuoter = schemas.Quoter{'"', '"', schemas.AlwaysReserve}
 )
 
-const postgresPublicSchema = "public"
+var (
+	// DefaultPostgresSchema default postgres schema
+	DefaultPostgresSchema = "public"
+)
 
 type postgres struct {
 	Base
 }
 
-func (db *postgres) Init(d *core.DB, uri *URI) error {
+func (db *postgres) Init(uri *URI) error {
 	db.quoter = postgresQuoter
-	err := db.Base.Init(d, db, uri)
-	if err != nil {
-		return err
-	}
-	if db.uri.Schema == "" {
-		db.uri.Schema = postgresPublicSchema
+	return db.Base.Init(db, uri)
+}
+
+func (db *postgres) getSchema() string {
+	if db.uri.Schema != "" {
+		return db.uri.Schema
 	}
-	return nil
+	return DefaultPostgresSchema
 }
 
 func (db *postgres) needQuote(name string) bool {
@@ -817,10 +820,6 @@ func (db *postgres) SetQuotePolicy(quotePolicy QuotePolicy) {
 	}
 }
 
-func (db *postgres) DefaultSchema() string {
-	return postgresPublicSchema
-}
-
 func (db *postgres) SQLType(c *schemas.Column) string {
 	var res string
 	switch t := c.SQLType.Name; t {
@@ -932,32 +931,32 @@ func (db *postgres) CreateTableSQL(table *schemas.Table, tableName string) ([]st
 }
 
 func (db *postgres) IndexCheckSQL(tableName, idxName string) (string, []interface{}) {
-	if len(db.uri.Schema) == 0 {
+	if len(db.getSchema()) == 0 {
 		args := []interface{}{tableName, idxName}
 		return `SELECT indexname FROM pg_indexes WHERE tablename = ? AND indexname = ?`, args
 	}
 
-	args := []interface{}{db.uri.Schema, tableName, idxName}
+	args := []interface{}{db.getSchema(), tableName, idxName}
 	return `SELECT indexname FROM pg_indexes ` +
 		`WHERE schemaname = ? AND tablename = ? AND indexname = ?`, args
 }
 
-func (db *postgres) IsTableExist(ctx context.Context, tableName string) (bool, error) {
-	if len(db.uri.Schema) == 0 {
-		return db.HasRecords(ctx, `SELECT tablename FROM pg_tables WHERE tablename = $1`, tableName)
+func (db *postgres) IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error) {
+	if len(db.getSchema()) == 0 {
+		return db.HasRecords(queryer, ctx, `SELECT tablename FROM pg_tables WHERE tablename = $1`, tableName)
 	}
 
-	return db.HasRecords(ctx, `SELECT tablename FROM pg_tables WHERE schemaname = $1 AND tablename = $2`,
-		db.uri.Schema, tableName)
+	return db.HasRecords(queryer, ctx, `SELECT tablename FROM pg_tables WHERE schemaname = $1 AND tablename = $2`,
+		db.getSchema(), tableName)
 }
 
 func (db *postgres) ModifyColumnSQL(tableName string, col *schemas.Column) string {
-	if len(db.uri.Schema) == 0 || strings.Contains(tableName, ".") {
+	if len(db.getSchema()) == 0 || strings.Contains(tableName, ".") {
 		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.uri.Schema, tableName, col.Name, db.SQLType(col))
+		db.getSchema(), tableName, col.Name, db.SQLType(col))
 }
 
 func (db *postgres) DropIndexSQL(tableName string, index *schemas.Index) string {
@@ -974,23 +973,23 @@ func (db *postgres) DropIndexSQL(tableName string, index *schemas.Index) string
 			idxName = fmt.Sprintf("IDX_%v_%v", tableName, index.Name)
 		}
 	}
-	if db.uri.Schema != "" {
-		idxName = db.uri.Schema + "." + idxName
+	if db.getSchema() != "" {
+		idxName = db.getSchema() + "." + idxName
 	}
 	return fmt.Sprintf("DROP INDEX %v", db.Quoter().Quote(idxName))
 }
 
-func (db *postgres) IsColumnExist(ctx context.Context, tableName, colName string) (bool, error) {
-	args := []interface{}{db.uri.Schema, tableName, colName}
+func (db *postgres) IsColumnExist(queryer core.Queryer, ctx context.Context, tableName, colName string) (bool, error) {
+	args := []interface{}{db.getSchema(), 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.uri.Schema) == 0 {
+	if len(db.getSchema()) == 0 {
 		args = []interface{}{tableName, colName}
 		query = "SELECT column_name FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = $1" +
 			" AND column_name = $2"
 	}
 
-	rows, err := db.DB().QueryContext(ctx, query, args...)
+	rows, err := queryer.QueryContext(ctx, query, args...)
 	if err != nil {
 		return false, err
 	}
@@ -999,8 +998,8 @@ func (db *postgres) IsColumnExist(ctx context.Context, tableName, colName string
 	return rows.Next(), nil
 }
 
-func (db *postgres) GetColumns(ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
-	args := []interface{}{db.uri.Schema, tableName, db.uri.Schema}
+func (db *postgres) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
+	args := []interface{}{tableName}
 	s := `SELECT column_name, column_default, is_nullable, data_type, character_maximum_length,
     CASE WHEN p.contype = 'p' THEN true ELSE false END AS primarykey,
     CASE WHEN p.contype = 'u' THEN true ELSE false END AS uniquekey
@@ -1011,9 +1010,17 @@ 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 n.nspname= $1 AND c.relkind = 'r'::char AND c.relname = $2 AND s.table_schema = $3 AND f.attnum > 0 ORDER BY f.attnum;`
+WHERE n.nspname= s.table_schema AND c.relkind = 'r'::char AND c.relname = $1%s AND f.attnum > 0 ORDER BY f.attnum;`
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	schema := db.getSchema()
+	if schema != "" {
+		s = fmt.Sprintf(s, "AND s.table_schema = $2")
+		args = append(args, schema)
+	} else {
+		s = fmt.Sprintf(s, "")
+	}
+
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -1132,15 +1139,16 @@ WHERE n.nspname= $1 AND c.relkind = 'r'::char AND c.relname = $2 AND s.table_sch
 	return colSeq, cols, nil
 }
 
-func (db *postgres) GetTables(ctx context.Context) ([]*schemas.Table, error) {
+func (db *postgres) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
 	args := []interface{}{}
 	s := "SELECT tablename FROM pg_tables"
-	if len(db.uri.Schema) != 0 {
-		args = append(args, db.uri.Schema)
+	schema := db.getSchema()
+	if schema != "" {
+		args = append(args, schema)
 		s = s + " WHERE schemaname = $1"
 	}
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -1171,15 +1179,15 @@ func getIndexColName(indexdef string) []string {
 	return colNames
 }
 
-func (db *postgres) GetIndexes(ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
+func (db *postgres) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
 	args := []interface{}{tableName}
 	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE tablename=$1")
-	if len(db.uri.Schema) != 0 {
-		args = append(args, db.uri.Schema)
+	if len(db.getSchema()) != 0 {
+		args = append(args, db.getSchema())
 		s = s + " AND schemaname=$2"
 	}
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -1319,3 +1327,22 @@ func (pgx *pqDriverPgx) Parse(driverName, dataSourceName string) (*URI, error) {
 	}
 	return pgx.pqDriver.Parse(driverName, dataSourceName)
 }
+
+// QueryDefaultPostgresSchema returns the default postgres schema
+func QueryDefaultPostgresSchema(ctx context.Context, queryer core.Queryer) (string, error) {
+	rows, err := queryer.QueryContext(ctx, "SHOW SEARCH_PATH")
+	if err != nil {
+		return "", err
+	}
+	defer rows.Close()
+	if rows.Next() {
+		var defaultSchema string
+		if err = rows.Scan(&defaultSchema); err != nil {
+			return "", err
+		}
+		parts := strings.Split(defaultSchema, ",")
+		return strings.TrimSpace(parts[len(parts)-1]), nil
+	}
+
+	return "", errors.New("No default schema")
+}
diff --git a/vendor/xorm.io/xorm/dialects/sqlite3.go b/vendor/xorm.io/xorm/dialects/sqlite3.go
index 710babe6db..0e95ebc72d 100644
--- a/vendor/xorm.io/xorm/dialects/sqlite3.go
+++ b/vendor/xorm.io/xorm/dialects/sqlite3.go
@@ -151,9 +151,9 @@ type sqlite3 struct {
 	Base
 }
 
-func (db *sqlite3) Init(d *core.DB, uri *URI) error {
+func (db *sqlite3) Init(uri *URI) error {
 	db.quoter = sqlite3Quoter
-	return db.Base.Init(d, db, uri)
+	return db.Base.Init(db, uri)
 }
 
 func (db *sqlite3) SetQuotePolicy(quotePolicy QuotePolicy) {
@@ -225,8 +225,8 @@ func (db *sqlite3) IndexCheckSQL(tableName, idxName string) (string, []interface
 	return "SELECT name FROM sqlite_master WHERE type='index' and name = ?", args
 }
 
-func (db *sqlite3) IsTableExist(ctx context.Context, tableName string) (bool, error) {
-	return db.HasRecords(ctx, "SELECT name FROM sqlite_master WHERE type='table' and name = ?", tableName)
+func (db *sqlite3) IsTableExist(queryer core.Queryer, ctx context.Context, tableName string) (bool, error) {
+	return db.HasRecords(queryer, ctx, "SELECT name FROM sqlite_master WHERE type='table' and name = ?", tableName)
 }
 
 func (db *sqlite3) DropIndexSQL(tableName string, index *schemas.Index) string {
@@ -286,9 +286,9 @@ func (db *sqlite3) ForUpdateSQL(query string) string {
 	return query
 }
 
-func (db *sqlite3) IsColumnExist(ctx context.Context, tableName, colName string) (bool, error) {
+func (db *sqlite3) IsColumnExist(queryer core.Queryer, ctx context.Context, tableName, colName string) (bool, error) {
 	query := "SELECT * FROM " + tableName + " LIMIT 0"
-	rows, err := db.DB().QueryContext(ctx, query)
+	rows, err := queryer.QueryContext(ctx, query)
 	if err != nil {
 		return false, err
 	}
@@ -370,11 +370,11 @@ func parseString(colStr string) (*schemas.Column, error) {
 	return col, nil
 }
 
-func (db *sqlite3) GetColumns(ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
+func (db *sqlite3) GetColumns(queryer core.Queryer, ctx context.Context, tableName string) ([]string, map[string]*schemas.Column, error) {
 	args := []interface{}{tableName}
 	s := "SELECT sql FROM sqlite_master WHERE type='table' and name = ?"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -427,11 +427,11 @@ func (db *sqlite3) GetColumns(ctx context.Context, tableName string) ([]string,
 	return colSeq, cols, nil
 }
 
-func (db *sqlite3) GetTables(ctx context.Context) ([]*schemas.Table, error) {
+func (db *sqlite3) GetTables(queryer core.Queryer, ctx context.Context) ([]*schemas.Table, error) {
 	args := []interface{}{}
 	s := "SELECT name FROM sqlite_master WHERE type='table'"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
@@ -452,11 +452,11 @@ func (db *sqlite3) GetTables(ctx context.Context) ([]*schemas.Table, error) {
 	return tables, nil
 }
 
-func (db *sqlite3) GetIndexes(ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
+func (db *sqlite3) GetIndexes(queryer core.Queryer, ctx context.Context, tableName string) (map[string]*schemas.Index, error) {
 	args := []interface{}{tableName}
 	s := "SELECT sql FROM sqlite_master WHERE type='index' and tbl_name = ?"
 
-	rows, err := db.DB().QueryContext(ctx, s, args...)
+	rows, err := queryer.QueryContext(ctx, s, args...)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/xorm.io/xorm/dialects/table_name.go b/vendor/xorm.io/xorm/dialects/table_name.go
index a989b38639..e190cd4bfa 100644
--- a/vendor/xorm.io/xorm/dialects/table_name.go
+++ b/vendor/xorm.io/xorm/dialects/table_name.go
@@ -18,7 +18,6 @@ func TableNameWithSchema(dialect Dialect, tableName string) string {
 	// Add schema name as prefix of table name.
 	// Only for postgres database.
 	if dialect.URI().Schema != "" &&
-		dialect.URI().Schema != dialect.DefaultSchema() &&
 		strings.Index(tableName, ".") == -1 {
 		return fmt.Sprintf("%s.%s", dialect.URI().Schema, tableName)
 	}