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Allow to use Valuer with Eq expression, #3899

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This commit is contained in:
Jinzhu 2020-12-30 10:42:13 +08:00
parent 065787c54e
commit 6c0ee2700a
2 changed files with 10 additions and 5 deletions
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4
clause/expression.go
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@ -301,6 +301,10 @@ func (like Like) NegationBuild(builder Builder) {
}
func eqNil(value interface{}) bool {
if valuer, ok := value.(driver.Valuer); ok {
value, _ = valuer.Value()
}
return value == nil || eqNilReflect(value)
}

11
clause/expression_test.go
View File

@ -105,28 +105,29 @@ func TestNamedExpr(t *testing.T) {
func TestExpression(t *testing.T) {
column := "column-name"
results := []struct {
Expressions []clause.Expression
Result string
Expressions []clause.Expression
Result string
}{{
Expressions: []clause.Expression{
clause.Eq{Column: column, Value: "column-value"},
},
Result: "`column-name` = ?",
},{
}, {
Expressions: []clause.Expression{
clause.Eq{Column: column, Value: nil},
clause.Eq{Column: column, Value: (*string)(nil)},
clause.Eq{Column: column, Value: (*int)(nil)},
clause.Eq{Column: column, Value: (*bool)(nil)},
clause.Eq{Column: column, Value: (interface{})(nil)},
clause.Eq{Column: column, Value: sql.NullString{String: "", Valid: false}},
},
Result: "`column-name` IS NULL",
},{
}, {
Expressions: []clause.Expression{
clause.Neq{Column: column, Value: "column-value"},
},
Result: "`column-name` <> ?",
},{
}, {
Expressions: []clause.Expression{
clause.Neq{Column: column, Value: nil},
clause.Neq{Column: column, Value: (*string)(nil)},