| 717 | } |
| 718 | |
| 719 | func (egb *EntityGroupBy) sqlScan(ctx context.Context, root *EntityQuery, v any) error { |
| 720 | selector := root.sqlQuery(ctx).Select() |
| 721 | aggregation := make([]string, 0, len(egb.fns)) |
| 722 | for _, fn := range egb.fns { |
| 723 | aggregation = append(aggregation, fn(selector)) |
| 724 | } |
| 725 | if len(selector.SelectedColumns()) == 0 { |
| 726 | columns := make([]string, 0, len(*egb.flds)+len(egb.fns)) |
| 727 | for _, f := range *egb.flds { |
| 728 | columns = append(columns, selector.C(f)) |
| 729 | } |
| 730 | columns = append(columns, aggregation...) |
| 731 | selector.Select(columns...) |
| 732 | } |
| 733 | selector.GroupBy(selector.Columns(*egb.flds...)...) |
| 734 | if err := selector.Err(); err != nil { |
| 735 | return err |
| 736 | } |
| 737 | rows := &sql.Rows{} |
| 738 | query, args := selector.Query() |
| 739 | if err := egb.build.driver.Query(ctx, query, args, rows); err != nil { |
| 740 | return err |
| 741 | } |
| 742 | defer rows.Close() |
| 743 | return sql.ScanSlice(rows, v) |
| 744 | } |
| 745 | |
| 746 | // EntitySelect is the builder for selecting fields of Entity entities. |
| 747 | type EntitySelect struct { |