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| author | Peter Eisentraut <peter@eisentraut.org> | 2020-03-09 09:22:22 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2020-03-09 09:34:55 +0100 |
| commit | 71d60e2aa05157efec28393b15c0b0b9fc1b210c (patch) | |
| tree | 535e192f42bee56fb4978b003cbd22e099ea2f46 /src/include/commands/trigger.h | |
| parent | 8f152b6c50c764d4c300e73a535da88cd1b18fa5 (diff) | |
| download | postgresql-71d60e2aa05157efec28393b15c0b0b9fc1b210c.tar.gz postgresql-71d60e2aa05157efec28393b15c0b0b9fc1b210c.zip | |
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
Diffstat (limited to 'src/include/commands/trigger.h')
| -rw-r--r-- | src/include/commands/trigger.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/commands/trigger.h b/src/include/commands/trigger.h index 5d691926433..a40ddf5db52 100644 --- a/src/include/commands/trigger.h +++ b/src/include/commands/trigger.h @@ -39,6 +39,7 @@ typedef struct TriggerData TupleTableSlot *tg_newslot; Tuplestorestate *tg_oldtable; Tuplestorestate *tg_newtable; + const Bitmapset *tg_updatedcols; } TriggerData; /* |