mirror of https://github.com/go-gitea/gitea.git
144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
// Copyright 2020 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 statements
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"xorm.io/builder"
|
|
"xorm.io/xorm/schemas"
|
|
)
|
|
|
|
func (statement *Statement) writeInsertOutput(buf *strings.Builder, table *schemas.Table) error {
|
|
if statement.dialect.URI().DBType == schemas.MSSQL && len(table.AutoIncrement) > 0 {
|
|
if _, err := buf.WriteString(" OUTPUT Inserted."); err != nil {
|
|
return err
|
|
}
|
|
if _, err := buf.WriteString(table.AutoIncrement); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (statement *Statement) GenInsertSQL(colNames []string, args []interface{}) (string, []interface{}, error) {
|
|
var (
|
|
table = statement.RefTable
|
|
tableName = statement.TableName()
|
|
exprs = statement.ExprColumns
|
|
colPlaces = strings.Repeat("?, ", len(colNames))
|
|
)
|
|
if exprs.Len() <= 0 && len(colPlaces) > 0 {
|
|
colPlaces = colPlaces[0 : len(colPlaces)-2]
|
|
}
|
|
|
|
var buf = builder.NewWriter()
|
|
if _, err := buf.WriteString("INSERT INTO "); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if err := statement.dialect.Quoter().QuoteTo(buf.Builder, tableName); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if len(colPlaces) <= 0 {
|
|
if statement.dialect.URI().DBType == schemas.MYSQL {
|
|
if _, err := buf.WriteString(" VALUES ()"); err != nil {
|
|
return "", nil, err
|
|
}
|
|
} else {
|
|
if err := statement.writeInsertOutput(buf.Builder, table); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if _, err := buf.WriteString(" DEFAULT VALUES"); err != nil {
|
|
return "", nil, err
|
|
}
|
|
}
|
|
} else {
|
|
if _, err := buf.WriteString(" ("); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if err := statement.dialect.Quoter().JoinWrite(buf.Builder, append(colNames, exprs.ColNames...), ","); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if statement.Conds().IsValid() {
|
|
if _, err := buf.WriteString(")"); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if err := statement.writeInsertOutput(buf.Builder, table); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if _, err := buf.WriteString(" SELECT "); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if err := statement.WriteArgs(buf, args); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if len(exprs.Args) > 0 {
|
|
if _, err := buf.WriteString(","); err != nil {
|
|
return "", nil, err
|
|
}
|
|
}
|
|
if err := exprs.WriteArgs(buf); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if _, err := buf.WriteString(" FROM "); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if err := statement.dialect.Quoter().QuoteTo(buf.Builder, tableName); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if _, err := buf.WriteString(" WHERE "); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if err := statement.Conds().WriteTo(buf); err != nil {
|
|
return "", nil, err
|
|
}
|
|
} else {
|
|
buf.Append(args...)
|
|
|
|
if _, err := buf.WriteString(")"); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if err := statement.writeInsertOutput(buf.Builder, table); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if _, err := buf.WriteString(" VALUES ("); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if _, err := buf.WriteString(colPlaces); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if err := exprs.WriteArgs(buf); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if _, err := buf.WriteString(")"); err != nil {
|
|
return "", nil, err
|
|
}
|
|
}
|
|
}
|
|
|
|
if len(table.AutoIncrement) > 0 && statement.dialect.URI().DBType == schemas.POSTGRES {
|
|
if _, err := buf.WriteString(" RETURNING "); err != nil {
|
|
return "", nil, err
|
|
}
|
|
if err := statement.dialect.Quoter().QuoteTo(buf.Builder, table.AutoIncrement); err != nil {
|
|
return "", nil, err
|
|
}
|
|
}
|
|
|
|
return buf.String(), buf.Args(), nil
|
|
}
|