Revision 12218
Added by Aaron Marcuse-Kubitza almost 11 years ago
| util.sql | ||
|---|---|---|
| 1374 | 1374 |
|
| 1375 | 1375 |
|
| 1376 | 1376 |
-- |
| 1377 |
-- Name: ifnull(anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: - |
|
| 1378 |
-- |
|
| 1379 |
|
|
| 1380 |
CREATE FUNCTION ifnull(value anyelement, null_ anyelement) RETURNS anyelement |
|
| 1381 |
LANGUAGE sql IMMUTABLE |
|
| 1382 |
AS $_$ |
|
| 1383 |
SELECT (CASE WHEN $1 IS NULL THEN $2 ELSE $1 END) |
|
| 1384 |
$_$; |
|
| 1385 |
|
|
| 1386 |
|
|
| 1387 |
-- |
|
| 1388 |
-- Name: FUNCTION ifnull(value anyelement, null_ anyelement); Type: COMMENT; Schema: util; Owner: - |
|
| 1389 |
-- |
|
| 1390 |
|
|
| 1391 |
COMMENT ON FUNCTION ifnull(value anyelement, null_ anyelement) IS 'equivalent to MySQL''s IFNULL() (Postgres auto-lowercases the name)'; |
|
| 1392 |
|
|
| 1393 |
|
|
| 1394 |
-- |
|
| 1377 | 1395 |
-- Name: is_constant(col_ref); Type: FUNCTION; Schema: util; Owner: - |
| 1378 | 1396 |
-- |
| 1379 | 1397 |
|
Also available in: Unified diff
schemas/util.sql: added ifnull(), equivalent to MySQL's IFNULL (Postgres auto-lowercases the name)