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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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4
src/include/commands/trigger.h
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.51 2004/12/31 22:03:28 pgsql Exp $
* $PostgreSQL: pgsql/src/include/commands/trigger.h,v 1.52 2005/03/25 21:57:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -156,7 +156,7 @@ extern void ExecARUpdateTriggers(EState *estate,
extern void AfterTriggerBeginXact(void);
extern void AfterTriggerBeginQuery(void);
extern void AfterTriggerEndQuery(void);
extern void AfterTriggerEndQuery(EState *estate);
extern void AfterTriggerEndXact(void);
extern void AfterTriggerAbortXact(void);
extern void AfterTriggerBeginSubXact(void);