Bump version to 5.11.0

vendor/github.com/golang-sql/sqlexp/pg.go

@@ -0,0 +1,67 @@
+// 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 sqlexp
+
+import (
+	"context"
+	"database/sql/driver"
+	"fmt"
+)
+
+type postgresql struct{}
+
+var (
+	_ DriverNamer       = postgresql{}
+	_ DriverQuoter      = postgresql{}
+	_ DriverSavepointer = postgresql{}
+)
+
+func (postgresql) Open(string) (driver.Conn, error) {
+	panic("not implemented")
+}
+
+func (postgresql) Namer(ctx context.Context) (Namer, error) {
+	return pgNamer{}, nil
+}
+
+func (postgresql) Quoter(ctx context.Context) (Quoter, error) {
+	panic("not implemented")
+}
+
+func (postgresql) Savepointer() (Savepointer, error) {
+	return pgSavepointer{}, nil
+}
+
+type pgNamer struct{}
+
+func (pgNamer) Name() string {
+	return "postgresql"
+}
+func (pgNamer) Dialect() string {
+	return DialectPostgres
+}
+
+type pgQuoter struct{}
+
+func (pgQuoter) ID(name string) string {
+	return ""
+}
+func (pgQuoter) Value(v interface{}) string {
+	return ""
+}
+
+type pgSavepointer struct{}
+
+func (pgSavepointer) Release(name string) string {
+	return fmt.Sprintf("release savepoint %s;", name)
+}
+
+func (pgSavepointer) Create(name string) string {
+	return fmt.Sprintf("savepoint %s;", name)
+}
+
+func (pgSavepointer) Rollback(name string) string {
+	return fmt.Sprintf("rollback to savepoint %s;", name)
+}