From: Joe Conway <mail@joeconway.com>
To: Clay Luther <claycle@cisco.com>
Cc: Nigel J. Andrews <nandrews@investsystems.co.uk>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: Dissecting Tuples in C
Date: Thu, 26 Jun 2003 15:23:58 -0700
Message-ID: <3EFB727E.50803@joeconway.com> (raw)
In-Reply-To: <1056665701.22881.41.camel@gkar>
References: <Pine.LNX.4.21.0306262152010.15389-100000@ponder.fairway2k.co.uk>
<1056665701.22881.41.camel@gkar>
Clay Luther wrote:
> Hrmmmm....let me be more clear.
>
> How do I get the TupleDesc for a HeapTuple, for example? The Trigger
> structure has HeapTuples, but I need the TupleDesc as well to be able to
> use functions like SPI_getvalue().
>
Take a look at ttdummy() in src/test/regress/regress.c.
Here's a snippet of the specific lines you need:
<snip>
TriggerData *trigdata = (TriggerData *) fcinfo->context;
rel = trigdata->tg_relation;
tupdesc = rel->rd_att;
</snip>
HTH,
Joe
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To: pgsql-interfaces@postgresql.org
Cc: mail@joeconway.com, claycle@cisco.com, nandrews@investsystems.co.uk
Subject: Re: Dissecting Tuples in C
In-Reply-To: <3EFB727E.50803@joeconway.com>
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