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Making locking parameters more intuitive (#6719) 

* Making locking parameters more intuitive

* remove dedicated type
This commit is contained in:
Maciej Laskowski 2023-12-15 16:32:56 +08:00 committed by GitHub
parent 2fb4928aa8
commit b9ebdb13c7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 14 additions and 3 deletions
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7
clause/locking.go
View File

@ -1,5 +1,12 @@
package clause
const (
LockingStrengthUpdate = "UPDATE"
LockingStrengthShare = "SHARE"
LockingOptionsSkipLocked = "SKIP LOCKED"
LockingOptionsNoWait = "NOWAIT"
)
type Locking struct {
Strength string
Table Table

10
clause/locking_test.go
View File

@ -14,17 +14,21 @@ func TestLocking(t *testing.T) {
Vars []interface{}
}{
{
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: "UPDATE"}},
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthUpdate}},
"SELECT * FROM `users` FOR UPDATE", nil,
},
{
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: "SHARE", Table: clause.Table{Name: clause.CurrentTable}}},
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthShare, Table: clause.Table{Name: clause.CurrentTable}}},
"SELECT * FROM `users` FOR SHARE OF `users`", nil,
},
{
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: "UPDATE"}, clause.Locking{Strength: "UPDATE", Options: "NOWAIT"}},
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthUpdate, Options: clause.LockingOptionsNoWait}},
"SELECT * FROM `users` FOR UPDATE NOWAIT", nil,
},
{
[]clause.Interface{clause.Select{}, clause.From{}, clause.Locking{Strength: clause.LockingStrengthUpdate, Options: clause.LockingOptionsSkipLocked}},
"SELECT * FROM `users` FOR UPDATE SKIP LOCKED", nil,
},
}
for idx, result := range results {