Joe Conway <[EMAIL PROTECTED]> writes:
> I still haven't had time to look closely, and well may have been doing
> something non-standard all along, but in any case this is the current
> failing code:
> /* for tuple args, convert to a one row data.frame */
> TupleTableSlot *slot = (TupleTableSlot *) arg[i];
> HeapTuple tuples = slot->val;
> TupleDesc tupdesc = slot->ttc_tupleDescriptor;
Um. Well, the arg is not a TupleTableSlot * anymore, so this is
guaranteed to fail. This isn't part of what I thought the documented
SRF API was though. If you take the arg[i] value and pass it to
GetAttributeByName or GetAttributeByNum it will work (with some compiler
warnings) and AFAICS we never documented more than that.
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
