Am Dienstag, 24. April 2007 19:48 schrieb Tom Lane:
> You're missing the point, which is that the inner UNION needs to decide
> what its uniqueness semantics are, independently of what might happen to
> its result later. Or that's how I read the spec anyway.
It's probably safer to leave it as is. Maybe there could be a way to make the
error message more understandable ("Where did the 'text' come from?"), but
perhaps the additional detail discussed in the other thread will do that.
In response to
pgsql-hackers by date
|Next:||From: Neil Conway||Date: 2007-04-24 18:40:49|
|Subject: Re: RETURN QUERY in PL/PgSQL?|
|Previous:||From: Gregory Stark||Date: 2007-04-24 18:23:00|
|Subject: Re: UNION with more than 2 branches|