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Add tg_updatedcols to TriggerData

author Peter Eisentraut <peter@eisentraut.org>

Mon, 9 Mar 2020 08:22:22 +0000 (09:22 +0100)

committer Peter Eisentraut <peter@eisentraut.org>

Mon, 9 Mar 2020 08:34:55 +0000 (09:34 +0100)

commit 71d60e2aa05157efec28393b15c0b0b9fc1b210c

tree 535e192f42bee56fb4978b003cbd22e099ea2f46 tree

parent 8f152b6c50c764d4c300e73a535da88cd1b18fa5 commit | diff

Add tg_updatedcols to TriggerData

This allows a trigger function to determine for an UPDATE trigger
which columns were actually updated. This allows some optimizations
in generic trigger functions such as lo_manage and
tsvector_update_trigger.

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/11c5f156-67a9-0fb5-8200-2a8018eb2e0c@2ndquadrant.com

contrib/lo/expected/lo.out diff | blob | blame | history

contrib/lo/lo.c diff | blob | blame | history

contrib/lo/sql/lo.sql diff | blob | blame | history

doc/src/sgml/trigger.sgml diff | blob | blame | history

src/backend/commands/trigger.c diff | blob | blame | history

src/backend/utils/adt/tsvector_op.c diff | blob | blame | history

src/include/commands/trigger.h diff | blob | blame | history

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