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// 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 (
"fmt"
"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
}
// GenInsertSQL generates insert beans SQL
func (statement *Statement) GenInsertSQL(colNames []string, args []interface{}) (string, []interface{}, error) {
var (
buf = builder.NewWriter()
exprs = statement.ExprColumns
table = statement.RefTable
tableName = statement.TableName()
)
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(colNames) <= 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 _, err := buf.WriteString(")"); err != nil {
return "", nil, err
}
if err := statement.writeInsertOutput(buf.Builder, table); err != nil {
return "", nil, err
}
if statement.Conds().IsValid() {
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 {
if _, err := buf.WriteString(" VALUES ("); 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(")"); 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
}
// GenInsertMapSQL generates insert map SQL
func (statement *Statement) GenInsertMapSQL(columns []string, args []interface{}) (string, []interface{}, error) {
var (
buf = builder.NewWriter()
exprs = statement.ExprColumns
tableName = statement.TableName()
)
if _, err := buf.WriteString(fmt.Sprintf("INSERT INTO %s (", statement.quote(tableName))); err != nil {
return "", nil, err
}
if err := statement.dialect.Quoter().JoinWrite(buf.Builder, append(columns, exprs.ColNames...), ","); err != nil {
return "", nil, err
}
// if insert where
if statement.Conds().IsValid() {
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(fmt.Sprintf(" FROM %s WHERE ", statement.quote(tableName))); err != nil {
return "", nil, err
}
if err := statement.Conds().WriteTo(buf); err != nil {
return "", nil, err
}
} else {
if _, err := buf.WriteString(") VALUES ("); 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(")"); err != nil {
return "", nil, err
}
}
return buf.String(), buf.Args(), nil
}