| 536 | } |
| 537 | |
| 538 | func (ngb *NodeGroupBy) sqlScan(ctx context.Context, root *NodeQuery, v any) error { |
| 539 | selector := root.sqlQuery(ctx).Select() |
| 540 | aggregation := make([]string, 0, len(ngb.fns)) |
| 541 | for _, fn := range ngb.fns { |
| 542 | aggregation = append(aggregation, fn(selector)) |
| 543 | } |
| 544 | if len(selector.SelectedColumns()) == 0 { |
| 545 | columns := make([]string, 0, len(*ngb.flds)+len(ngb.fns)) |
| 546 | for _, f := range *ngb.flds { |
| 547 | columns = append(columns, selector.C(f)) |
| 548 | } |
| 549 | columns = append(columns, aggregation...) |
| 550 | selector.Select(columns...) |
| 551 | } |
| 552 | selector.GroupBy(selector.Columns(*ngb.flds...)...) |
| 553 | if err := selector.Err(); err != nil { |
| 554 | return err |
| 555 | } |
| 556 | rows := &sql.Rows{} |
| 557 | query, args := selector.Query() |
| 558 | if err := ngb.build.driver.Query(ctx, query, args, rows); err != nil { |
| 559 | return err |
| 560 | } |
| 561 | defer rows.Close() |
| 562 | return sql.ScanSlice(rows, v) |
| 563 | } |
| 564 | |
| 565 | // NodeSelect is the builder for selecting fields of Node entities. |
| 566 | type NodeSelect struct { |