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Improve EXPLAIN ANALYZE to show the time spent in each trigger when

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executing a statement that fires triggers.  Formerly this time was
included in "Total runtime" but not otherwise accounted for.
As a side benefit, we avoid re-opening relations when firing non-deferred
AFTER triggers, because the trigger code can re-use the main executor's
ResultRelInfo data structure.
This commit is contained in:
Tom Lane
2005-03-25 21:58:00 +00:00
parent 08890b407e
commit adb1a6e95b
16 changed files with 403 additions and 143 deletions
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8
src/backend/tcop/pquery.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/pquery.c,v 1.92 2005/03/16 21:38:08 tgl Exp $
* $PostgreSQL: pgsql/src/backend/tcop/pquery.c,v 1.93 2005/03/25 21:57:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -206,14 +206,14 @@ ProcessQuery(Query *parsetree,
}
}
/* Now take care of any queued AFTER triggers */
AfterTriggerEndQuery(queryDesc->estate);
/*
* Now, we close down all the scans and free allocated resources.
*/
ExecutorEnd(queryDesc);
/* And take care of any queued AFTER triggers */
AfterTriggerEndQuery();
FreeQueryDesc(queryDesc);
FreeSnapshot(ActiveSnapshot);