Re: Dissecting Tuples in C

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