Revision 8169
Added by Aaron Marcuse-Kubitza over 11 years ago
| functions.sql | ||
|---|---|---|
| 578 | 578 |
-- |
| 579 | 579 |
|
| 580 | 580 |
CREATE FUNCTION col_type(col col_ref) RETURNS regtype |
| 581 |
LANGUAGE sql STABLE STRICT |
|
| 582 |
AS $_$ |
|
| 583 |
SELECT atttypid FROM pg_attribute |
|
| 584 |
WHERE attrelid = $1.table_ AND attname = $1.name |
|
| 585 |
$_$; |
|
| 581 |
LANGUAGE plpgsql STABLE STRICT |
|
| 582 |
AS $$ |
|
| 583 |
DECLARE |
|
| 584 |
type regtype; |
|
| 585 |
BEGIN |
|
| 586 |
SELECT atttypid FROM pg_attribute |
|
| 587 |
WHERE attrelid = col.table_ AND attname = col.name |
|
| 588 |
INTO STRICT type |
|
| 589 |
; |
|
| 590 |
RETURN type; |
|
| 591 |
EXCEPTION |
|
| 592 |
WHEN no_data_found THEN RAISE undefined_column; |
|
| 593 |
END; |
|
| 594 |
$$; |
|
| 586 | 595 |
|
| 587 | 596 |
|
| 588 | 597 |
-- |
Also available in: Unified diff
schemas/functions.sql: col_type(): Raise undefined_column exception if column does not exist, instead of silently returning NULL