| 385 | } |
| 386 | |
| 387 | func (c *cc) convertLiteral(n *chast.Literal) *ast.A_Const { |
| 388 | switch n.Type { |
| 389 | case chast.LiteralString: |
| 390 | str := n.Value.(string) |
| 391 | return &ast.A_Const{ |
| 392 | Val: &ast.String{Str: str}, |
| 393 | Location: n.Pos().Offset, |
| 394 | } |
| 395 | case chast.LiteralInteger: |
| 396 | var ival int64 |
| 397 | switch v := n.Value.(type) { |
| 398 | case int64: |
| 399 | ival = v |
| 400 | case int: |
| 401 | ival = int64(v) |
| 402 | case float64: |
| 403 | ival = int64(v) |
| 404 | case string: |
| 405 | ival, _ = strconv.ParseInt(v, 10, 64) |
| 406 | } |
| 407 | return &ast.A_Const{ |
| 408 | Val: &ast.Integer{Ival: ival}, |
| 409 | Location: n.Pos().Offset, |
| 410 | } |
| 411 | case chast.LiteralFloat: |
| 412 | var fval float64 |
| 413 | switch v := n.Value.(type) { |
| 414 | case float64: |
| 415 | fval = v |
| 416 | case string: |
| 417 | fval, _ = strconv.ParseFloat(v, 64) |
| 418 | } |
| 419 | str := strconv.FormatFloat(fval, 'f', -1, 64) |
| 420 | return &ast.A_Const{ |
| 421 | Val: &ast.Float{Str: str}, |
| 422 | Location: n.Pos().Offset, |
| 423 | } |
| 424 | case chast.LiteralBoolean: |
| 425 | // ClickHouse booleans are typically 0/1 |
| 426 | bval := n.Value.(bool) |
| 427 | if bval { |
| 428 | return &ast.A_Const{ |
| 429 | Val: &ast.Integer{Ival: 1}, |
| 430 | Location: n.Pos().Offset, |
| 431 | } |
| 432 | } |
| 433 | return &ast.A_Const{ |
| 434 | Val: &ast.Integer{Ival: 0}, |
| 435 | Location: n.Pos().Offset, |
| 436 | } |
| 437 | case chast.LiteralNull: |
| 438 | return &ast.A_Const{ |
| 439 | Val: &ast.Null{}, |
| 440 | Location: n.Pos().Offset, |
| 441 | } |
| 442 | default: |
| 443 | return &ast.A_Const{ |
| 444 | Location: n.Pos().Offset, |