Re: PL/pgSQL PERFORM with CTE

On Aug 20, 2013, at 2:31 PM, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)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

Best,

David