| From: | hubert depesz lubaczewski <depesz(at)depesz(dot)com> |
|---|---|
| To: | michael(dot)meyer(at)pace(dot)de, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #15462: WITH ORDINALITY and CTEs don't work |
| Date: | 2018-10-26 11:34:26 |
| Message-ID: | 20181026113426.ddbpdbrh6eizxhxh@depesz.com |
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| Lists: | pgsql-bugs |
On Fri, Oct 26, 2018 at 10:55:57AM +0000, PG Bug reporting form wrote:
> CTEs don't play nicely together with 'WITH ORDINALITY':
Sure they do.
> This is working:
> SELECT * FROM generate_series(4,1,-1) WITH ORDINALITY;
> WITH a AS (SELECT * FROM generate_series(4,1,-1) )
> SELECT * FROM a;
>
> whereas this yields syntax error (42601)
>
> WITH a AS (SELECT * FROM generate_series(4,1,-1) )
> SELECT * FROM a WITH ORDINALITY;
This is because "with ORDINALITY" is for function call, not for any
table query.
So the correct syntax would be:
WITH a AS (SELECT * FROM generate_series(4,1,-1) WITH ORDINALITY) SELECT * FROM a;
depesz
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