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Merge pull request #161 from wexder/master

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Add postgres json literal
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go-jet 2022-06-06 11:04:40 +02:00 • committed by GitHub
commit 879c2eb7e7
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2 changed files with 15 additions and 0 deletions
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10
postgres/literal.go
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@ -65,6 +65,16 @@ func String(value string) StringExpression {
return CAST(jet.String(value)).AS_TEXT() return CAST(jet.String(value)).AS_TEXT()
} }
// Json creates new json literal expression
func Json(value interface{}) StringExpression {
switch value.(type) {
case string, []byte:
default:
panic("Bytea parameter value has to be of the type string or []byte")
}
return StringExp(CAST(jet.Literal(value)).AS("json"))
}
// UUID is a helper function to create string literal expression from uuid object // UUID is a helper function to create string literal expression from uuid object
// value can be any uuid type with a String method // value can be any uuid type with a String method
var UUID = jet.UUID var UUID = jet.UUID

5
postgres/literal_test.go
View file

@ -67,6 +67,11 @@ func TestBytea(t *testing.T) {
assertSerialize(t, Bytea([]byte("Some byte array")), `$1::bytea`, []byte("Some byte array")) assertSerialize(t, Bytea([]byte("Some byte array")), `$1::bytea`, []byte("Some byte array"))
} }
func TestJson(t *testing.T) {
assertSerialize(t, Json("{\"key\": \"value\"}"), `$1::json`, "{\"key\": \"value\"}")
assertSerialize(t, Json([]byte("{\"key\": \"value\"}")), `$1::json`, []byte("{\"key\": \"value\"}"))
}
func TestDate(t *testing.T) { func TestDate(t *testing.T) {
assertSerialize(t, Date(2014, time.January, 2), `$1::date`, "2014-01-02") assertSerialize(t, Date(2014, time.January, 2), `$1::date`, "2014-01-02")
assertSerialize(t, DateT(time.Now()), `$1::date`) assertSerialize(t, DateT(time.Now()), `$1::date`)