forked from cockroachdb/cockroach
/
returning.go
38 lines (33 loc) · 1.12 KB
/
returning.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// Copyright 2016 The Cockroach Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
//
// Author: Matt Jibson (mjibson@cockroachlabs.com)
package parser
import "bytes"
// ReturningExprs represents RETURNING expressions.
type ReturningExprs SelectExprs
// Format implements the NodeFormatter interface.
func (r ReturningExprs) Format(buf *bytes.Buffer, f FmtFlags) {
if len(r) != 0 {
buf.WriteString(" RETURNING ")
FormatNode(buf, f, SelectExprs(r))
}
}
// StatementType implements the Statement interface.
func (r ReturningExprs) StatementType() StatementType {
if r != nil {
return Rows
}
return RowsAffected
}