> -----Original Message-----
> From: Tom Lane
> The "target list" that's added to function-call nodes in expressions
> has bugged me for a long time, because it seems to clutter expression
> trees quite a bit (thus wasting space in stored rules, for example)
> without really being used for much.
> I've now dug around and determined that the only thing it is used for
> is selecting out a single field from a function that returns a tuple.
I don't understand details about current fmgr changes,sorry.
If I remember correctly,this has been only in case of SQL functions.
In addition,SQL functions has returned a TupleTableSlot not a tuple
if the return type is a compound type. Has it been changed already ?
Or would it be changed ?
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