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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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6
src/backend/commands/portalcmds.c
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@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.38 2004/12/31 21:59:41 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/commands/portalcmds.c,v 1.39 2005/03/25 21:57:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -281,8 +281,8 @@ PortalCleanup(Portal portal)
PG_TRY();
{
CurrentResourceOwner = portal->resowner;
ExecutorEnd(queryDesc);
/* we do not need AfterTriggerEndQuery() here */
ExecutorEnd(queryDesc);
}
PG_CATCH();
{
@ -382,8 +382,8 @@ PersistHoldablePortal(Portal portal)
* Now shut down the inner executor.
*/
portal->queryDesc = NULL; /* prevent double shutdown */
ExecutorEnd(queryDesc);
/* we do not need AfterTriggerEndQuery() here */
ExecutorEnd(queryDesc);
/*
* Reset the position in the result set: ideally, this could be