git.postgresql.org Git - postgresql.git/commit

author	Tom Lane <[email protected]>
	Sun, 21 Aug 2011 22:15:55 +0000 (18:15 -0400)
committer	Tom Lane <[email protected]>
	Sun, 21 Aug 2011 22:15:55 +0000 (18:15 -0400)
commit	b33f78df17c32364d51f6e5128f8d81d7d3013a2
tree	d5acbc5668d0f60aa8befbb1ae42f807c447df6c	tree
parent	6cc08e703bb078ee1e8d183caf4596d62bf12bf7	commit \| diff

Fix trigger WHEN conditions when both BEFORE and AFTER triggers exist.

Due to tuple-slot mismanagement, evaluation of WHEN conditions for AFTER
ROW UPDATE triggers could crash if there had been a BEFORE ROW trigger
fired for the same update. Fix by not trying to overload the use of
estate->es_trig_tuple_slot. Per report from Yoran Heling.

Back-patch to 9.0, when trigger WHEN conditions were introduced.

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src/backend/commands/trigger.c		diff \| blob \| blame \| history
src/backend/executor/execMain.c		diff \| blob \| blame \| history
src/backend/executor/execUtils.c		diff \| blob \| blame \| history
src/include/nodes/execnodes.h		diff \| blob \| blame \| history
src/test/regress/expected/triggers.out		diff \| blob \| blame \| history
src/test/regress/sql/triggers.sql		diff \| blob \| blame \| history