Patch removed from patch queue --- NikhilS, please resubmit when you are ready. Thanks.
--------------------------------------------------------------------------- NikhilS wrote: > Hi, > > As per discussion on -hackers, a patch which allows updates to use > subselects is attached with this mail. > > As per discussion with Tom, I have adopted the following approach: > > * Introduce ROWEXPR_SUBLINK type for subqueries that allows multiple column > outputs. > * Populate the targetList with PARAM_SUBLINK entries dependent on the > subselects. > * Modify the targets in-place into PARAM_EXEC entries in the make_subplan > phase. > > The above does not require any kluges in the targetList processing code path > at all. > > UPDATEs seem to work fine using subselects with this patch. I have modified > the update.sql regression test to include possible variations . > > No documentation changes are present in this patch. > Feedback, comments appreciated. > > Regards, > Nikhils > -- > EnterpriseDB http://www.enterprisedb.com [ Attachment, skipping... ] > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://postgres.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-patches mailing list (pgsql-patches@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-patches
