| 23 | ) |
| 24 | |
| 25 | func (n *OnConflictClause) Format(buf *TrackedBuffer, d format.Dialect) { |
| 26 | if n == nil { |
| 27 | return |
| 28 | } |
| 29 | buf.WriteString("ON CONFLICT ") |
| 30 | if n.Infer != nil { |
| 31 | buf.astFormat(n.Infer, d) |
| 32 | buf.WriteString(" ") |
| 33 | } |
| 34 | switch n.Action { |
| 35 | case OnConflictActionNothing: |
| 36 | buf.WriteString("DO NOTHING") |
| 37 | case OnConflictActionUpdate: |
| 38 | buf.WriteString("DO UPDATE SET ") |
| 39 | // Format as assignment list: name = val |
| 40 | if n.TargetList != nil { |
| 41 | for i, item := range n.TargetList.Items { |
| 42 | if i > 0 { |
| 43 | buf.WriteString(", ") |
| 44 | } |
| 45 | if rt, ok := item.(*ResTarget); ok { |
| 46 | if rt.Name != nil { |
| 47 | buf.WriteString(*rt.Name) |
| 48 | } |
| 49 | buf.WriteString(" = ") |
| 50 | buf.astFormat(rt.Val, d) |
| 51 | } else { |
| 52 | buf.astFormat(item, d) |
| 53 | } |
| 54 | } |
| 55 | } |
| 56 | if set(n.WhereClause) { |
| 57 | buf.WriteString(" WHERE ") |
| 58 | buf.astFormat(n.WhereClause, d) |
| 59 | } |
| 60 | } |
| 61 | } |