1 package exp
2
3 type (
4 LockStrength int
5 WaitOption int
6 Lock interface {
7 Strength() LockStrength
8 WaitOption() WaitOption
9 Of() []IdentifierExpression
10 }
11 lock struct {
12 strength LockStrength
13 waitOption WaitOption
14 of []IdentifierExpression
15 }
16 )
17
18 const (
19 ForNolock LockStrength = iota
20 ForUpdate
21 ForNoKeyUpdate
22 ForShare
23 ForKeyShare
24
25 Wait WaitOption = iota
26 NoWait
27 SkipLocked
28 )
29
30 func NewLock(strength LockStrength, option WaitOption, of ...IdentifierExpression) Lock {
31 return lock{
32 strength: strength,
33 waitOption: option,
34 of: of,
35 }
36 }
37
38 func (l lock) Strength() LockStrength {
39 return l.strength
40 }
41
42 func (l lock) WaitOption() WaitOption {
43 return l.waitOption
44 }
45
46 func (l lock) Of() []IdentifierExpression {
47 return l.of
48 }
49
View as plain text