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Re: I can't get row type from tuple (SPI)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Pavel Stehule" <pavel(dot)stehule(at)hotmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: I can't get row type from tuple (SPI)
Date: 2005-11-07 01:59:01
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
"Pavel Stehule" <pavel(dot)stehule(at)hotmail(dot)com> writes:
> rettupdesc = lookup_rowtype_tupdesc(rettype,0);

This is wrong --- if you don't know what typmod to use, *always* pass -1
not 0.  (I suspect that rettype is RECORD and that -1 would have
resulted in a NULL result.)

It seems like SPI is missing a needed function: it should have an
SPI_gettypmod to go along with SPI_gettypeid.  This would probably
give you the correct typmod to pass to lookup_rowtype_tupdesc here.

			regards, tom lane

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