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Fix scan array of record to pointer to slice of struct

Browse Source 
https://github.com/jackc/pgx/issues/1570
This commit is contained in:
Jack Christensen
2023-04-08 14:39:48 -05:00
parent f72a147db3
commit 847f888631
2 changed files with 26 additions and 5 deletions
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pgtype/pgtype_test.go
+16
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@@ -330,6 +330,22 @@ func TestMapScanPtrToPtrToSlice(t *testing.T) {
require.Equal(t, []string{"foo", "bar"}, *v)
}
func TestMapScanPtrToPtrToSliceOfStruct(t *testing.T) {
type Team struct {
TeamID int
Name string
}
// Have to use binary format because text format doesn't include type information.
m := pgtype.NewMap()
src := []byte{0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0xc9, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1e, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x17, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x19, 0x0, 0x0, 0x0, 0x6, 0x74, 0x65, 0x61, 0x6d, 0x20, 0x31, 0x0, 0x0, 0x0, 0x1e, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x17, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x19, 0x0, 0x0, 0x0, 0x6, 0x74, 0x65, 0x61, 0x6d, 0x20, 0x32}
var v *[]Team
plan := m.PlanScan(pgtype.RecordArrayOID, pgtype.BinaryFormatCode, &v)
err := plan.Scan(src, &v)
require.NoError(t, err)
require.Equal(t, []Team{{1, "team 1"}, {2, "team 2"}}, *v)
}
type databaseValuerString string
func (s databaseValuerString) Value() (driver.Value, error) {