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Fix scanning json column into **string

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refs https://github.com/jackc/pgx/issues/1470
This commit is contained in:
Jack Christensen
2023-01-20 18:38:11 -06:00
parent 516300aabf
commit e48e7a7189
2 changed files with 29 additions and 3 deletions
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pgtype/json_test.go
+15
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@@ -101,6 +101,21 @@ func TestJSONCodecUnmarshalSQLNull(t *testing.T) {
})
}
// https://github.com/jackc/pgx/issues/1470
func TestJSONCodecPointerToPointerToString(t *testing.T) {
defaultConnTestRunner.RunTest(context.Background(), t, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
var s *string
err := conn.QueryRow(ctx, "select '{}'::json").Scan(&s)
require.NoError(t, err)
require.NotNil(t, s)
require.Equal(t, "{}", *s)
err = conn.QueryRow(ctx, "select null::json").Scan(&s)
require.NoError(t, err)
require.Nil(t, s)
})
}
func TestJSONCodecClearExistingValueBeforeUnmarshal(t *testing.T) {
defaultConnTestRunner.RunTest(context.Background(), t, func(ctx context.Context, t testing.TB, conn *pgx.Conn) {
m := map[string]any{}