(columns []*message.ColumnMetadata, stmt *SelectStatement)
| 42 | } |
| 43 | |
| 44 | func (a AliasSelector) Columns(columns []*message.ColumnMetadata, stmt *SelectStatement) (filtered []*message.ColumnMetadata, err error) { |
| 45 | cols, err := a.Selector.Columns(columns, stmt) |
| 46 | if err != nil { |
| 47 | return |
| 48 | } |
| 49 | for _, column := range cols { |
| 50 | alias := *column // Make a copy so we can modify the name |
| 51 | alias.Name = a.Alias |
| 52 | filtered = append(filtered, &alias) |
| 53 | } |
| 54 | return |
| 55 | } |
| 56 | |
| 57 | type IDSelector struct { |
| 58 | Name string |