| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: bugfix: BUG #15477: Procedure call with named inout refcursor parameter - "invalid input syntax for type boolean" |
| Date: | 2018-11-05 09:22:51 |
| Message-ID: | e67e293e-4fd3-c25d-69b6-8daebbb6d1cf@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 04/11/2018 16:54, Tom Lane wrote:
> I looked into SQL:2011 to see what it has to say about this. In
> 10.4 <routine invocation>, syntax rule 9) g) iii) says
>
> For each SQL parameter Pi, 1 (one) ≤ i ≤ SRNP, that is an output SQL
> parameter or both an input SQL parameter and an output SQL parameter,
> XAi shall be a <target specification>.
>
> The immediately preceding rules make it clear that XAi is the actual
> argument corresponding to parameter Pi *after* default-insertion and
> named-argument reordering. So our existing behavior here clearly
> contradicts the spec: DEFAULT is not a <target specification>.
Note that parameter defaults with output parameters was only added in
SQL:2016.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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