| 611 | } |
| 612 | |
| 613 | func (ggb *GroupGroupBy) sqlScan(ctx context.Context, root *GroupQuery, v any) error { |
| 614 | selector := root.sqlQuery(ctx).Select() |
| 615 | aggregation := make([]string, 0, len(ggb.fns)) |
| 616 | for _, fn := range ggb.fns { |
| 617 | aggregation = append(aggregation, fn(selector)) |
| 618 | } |
| 619 | if len(selector.SelectedColumns()) == 0 { |
| 620 | columns := make([]string, 0, len(*ggb.flds)+len(ggb.fns)) |
| 621 | for _, f := range *ggb.flds { |
| 622 | columns = append(columns, selector.C(f)) |
| 623 | } |
| 624 | columns = append(columns, aggregation...) |
| 625 | selector.Select(columns...) |
| 626 | } |
| 627 | selector.GroupBy(selector.Columns(*ggb.flds...)...) |
| 628 | if err := selector.Err(); err != nil { |
| 629 | return err |
| 630 | } |
| 631 | rows := &sql.Rows{} |
| 632 | query, args := selector.Query() |
| 633 | if err := ggb.build.driver.Query(ctx, query, args, rows); err != nil { |
| 634 | return err |
| 635 | } |
| 636 | defer rows.Close() |
| 637 | return sql.ScanSlice(rows, v) |
| 638 | } |
| 639 | |
| 640 | // GroupSelect is the builder for selecting fields of Group entities. |
| 641 | type GroupSelect struct { |