| From: | Marko Tiikkaja <marko(at)joh(dot)to> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com>, Hannu Krosing <hannu(at)2ndquadrant(dot)com> |
| Cc: | Vik Fearing <vik(dot)fearing(at)dalibo(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Kalyanov Dmitry <kalyanov(dot)dmitry(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Anonymous code block with parameters |
| Date: | 2014-09-19 18:52:34 |
| Message-ID: | 541C7B72.7040508@joh.to |
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| Lists: | pgsql-hackers |
On 2014-09-19 8:20 PM, Merlin Moncure wrote:
> actually, this trick *only* works during json serialization -- it
> allows control over the column names that row() masks over. trying to
> expand (tup).* still gives the dreaded "ERROR: record type has not
> been registered". That's because this works:
>
> select (q).* from (select 1 as a, 2 as b) q;
>
> but this doesn't:
>
> select ((select q from (select a,b) q)).* from (select 1 as a, 2 as b) q;
Yeah. This is a seriously missing feature and a PITA. :-(
.marko
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