| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | michael(dot)brook(at)gfk(dot)com |
| Cc: | pgsql-docs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Multiple window definitions |
| Date: | 2020-01-08 22:41:19 |
| Message-ID: | 1928.1578523279@sss.pgh.pa.us |
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| Lists: | pgsql-docs |
PG Doc comments form <noreply(at)postgresql(dot)org> writes:
> According to the spec:
> [ WINDOW window_name AS ( window_definition ) [, ...] ]
> So the ... means I can have more than one named window. But I can't make
> this work on 11.5.
It's supposed to be WINDOW w1 AS (...), w2 AS (...), ...
ie don't repeat the WINDOW keyword.
If that wasn't the issue, you need to show more specifically what
you tried.
I agree that the syntax definition isn't terribly precise, but
people don't seem to have trouble with the very comparable
rules for, say, FROM or GROUP BY.
regards, tom lane
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