Re: [BUGS] BUG #14799: SELECT * FROM transition_table in a statement-level trigger - Mailing list pgsql-bugs

From Tom Lane
Subject Re: [BUGS] BUG #14799: SELECT * FROM transition_table in a statement-level trigger
Date
Msg-id 18696.1504704754@sss.pgh.pa.us
Whole thread Raw
In response to [BUGS] BUG #14799: SELECT * FROM transition_table in a statement-leveltrigger  (phb07@apra.asso.fr)
Responses Re: [BUGS] BUG #14799: SELECT * FROM transition_table in astatement-level trigger
List pgsql-bugs
phb07@apra.asso.fr writes:
> I am playing a bit with transition tables in statement-level triggers, using
> the postgres V10 beta 4 version. I am facing an issue that I suspect to be a
> bug (unless it is a design limitation). I have built a small test case to
> reproduce what I have discovered.
> ...
> It looks like the resolution of the column list has not taken into account a
> "NOT attisdropped" condition when scanning the pg_attribute table (or an
> equivalent in memory structure).

Yeah.  The RTE_NAMEDTUPLESTORE patch seems to have piggybacked on the code
for RTE_CTE and friends, none of which could have dropped columns so the
case wasn't considered.  I think the immediate problem is in expandRTE()
but I have zero faith that there aren't comparable bugs elsewhere.
        regards, tom lane


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