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Fix broken ruleutils support for function TRANSFORM clauses.

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I chanced to notice that this dumped core due to a faulty Assert.
To add insult to injury, the output has been misformatted since v11.
Obviously we need some regression testing here.

Discussion: https://postgr.es/m/d1cc628c-3953-4209-957b-29427acc38c8@www.fastmail.com
This commit is contained in:
Tom Lane
2021-01-25 13:03:11 -05:00
parent 712ce074a8
commit d09e8789fe
3 changed files with 22 additions and 8 deletions
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9
contrib/hstore_plpython/sql/hstore_plpython.sql
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@ -40,15 +40,18 @@ SELECT test1arr(array['aa=>bb, cc=>NULL'::hstore, 'dd=>ee']);
-- test python -> hstore
CREATE FUNCTION test2() RETURNS hstore
CREATE FUNCTION test2(a int, b text) RETURNS hstore
LANGUAGE plpythonu
TRANSFORM FOR TYPE hstore
AS $$
val = {'a': 1, 'b': 'boo', 'c': None}
val = {'a': a, 'b': b, 'c': None}
return val
$$;
SELECT test2();
SELECT test2(1, 'boo');
--- test ruleutils
\sf test2
-- test python -> hstore[]