Bart Degryse wrote:
I'm trying to use a delete statement with returning clause in a function:
FOR rec IN (
delete from billing_errors_new where errortypeid IN (1,2) returning *)
LOOP
I get following error though:
ERROR: syntax error at or near "delete" at character 4
QUERY: ( delete from billing_errors_new where errortypeid IN (1,2) returning *)
CONTEXT: SQL statement in PL/PgSQL function "test_delete" near line 5
According to the manual (I think) it should be possible:
I think it's just the brackets () - plpgsql's parser isn't terribly
sophisticated.
This works for me, but with brackets doesn't.
BEGIN;
CREATE TEMPORARY TABLE test1 (a integer, b text);
INSERT INTO test1 SELECT generate_series(1,100) AS a, 'text for b';
CREATE FUNCTION testdel() RETURNS integer AS $$
DECLARE
n integer;
r RECORD;
BEGIN
n := 0;
FOR r IN DELETE FROM test1 WHERE a % 10 = 1 RETURNING * LOOP
n := n + 1;
END LOOP;
RETURN n;
END;
$$ LANGUAGE plpgsql;
SELECT testdel();
ROLLBACK;
--
Richard Huxton
Archonet Ltd
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