2013-08-20 14:35 keltezéssel, David E. Wheeler írta:
On Aug 20, 2013, at 2:31 PM, Pavel Stehule <pavel.steh...@gmail.com> wrote:
but it works
postgres=# do $$begin with x as (select 10) insert into omega select * from x;
end;$$;
DO
But this does not:
david=# DO $$
david$# BEGIN
david$# PERFORM * FROM (
david$# WITH inserted AS (
david$# INSERT INTO foo values (1) RETURNING id
david$# ) SELECT inserted.id
david$# ) x;
david$# END;
david$# $$;
ERROR: WITH clause containing a data-modifying statement must be at the top
level
LINE 2: WITH inserted AS (
^
QUERY: SELECT * FROM (
WITH inserted AS (
INSERT INTO foo values (1) RETURNING id
) SELECT inserted.id
) x
CONTEXT: PL/pgSQL function inline_code_block line 3 at PERFORM
This is the same error as if you put the WITH into a subquery,
which is what PERFORM does.
Proof:
SELECT * FROM (
WITH inserted AS (
INSERT INTO foo values (1) RETURNING id
) SELECT inserted.id
) x;
Best regards,
Zoltán Böszörményi
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Zoltán Böszörményi
Cybertec Schönig & Schönig GmbH
Gröhrmühlgasse 26
A-2700 Wiener Neustadt, Austria
Web: http://www.postgresql-support.de
http://www.postgresql.at/
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