(w expr.DialectWriter)
| 644 | return w.String() |
| 645 | } |
| 646 | func (m *Column) WriteDialect(w expr.DialectWriter) { |
| 647 | if m.Star { |
| 648 | io.WriteString(w, "*") |
| 649 | return |
| 650 | } |
| 651 | exprStr := "" |
| 652 | if m.Expr != nil { |
| 653 | start := w.Len() |
| 654 | m.Expr.WriteDialect(w) |
| 655 | if w.Len() > start { |
| 656 | exprStr = w.String()[start:] |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | if m.asQuoteByte != 0 && m.originalAs != "" { |
| 661 | io.WriteString(w, " AS ") |
| 662 | w.WriteIdentity(m.As) |
| 663 | } else if m.originalAs != "" && exprStr != m.originalAs { |
| 664 | io.WriteString(w, " AS ") |
| 665 | w.WriteIdentity(m.originalAs) |
| 666 | } else if m.Expr == nil { |
| 667 | w.WriteIdentity(m.As) |
| 668 | } |
| 669 | if m.Guard != nil { |
| 670 | io.WriteString(w, " IF ") |
| 671 | m.Guard.WriteDialect(w) |
| 672 | } |
| 673 | if m.Order != "" { |
| 674 | io.WriteString(w, " ") |
| 675 | io.WriteString(w, m.Order) |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | // Is this a select count(*) column |
| 680 | func (m *Column) CountStar() bool { |
no test coverage detected