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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/nodes/execnodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.124 2005/03/16 21:38:10 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.125 2005/03/25 21:58:00 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -261,6 +261,7 @@ typedef struct JunkFilter
* IndexRelationInfo array of key/attr info for indices
* TrigDesc triggers to be fired, if any
* TrigFunctions cached lookup info for trigger functions
* TrigInstrument optional runtime measurements for triggers
* ConstraintExprs array of constraint-checking expr states
* junkFilter for removing junk attributes from tuples
* ----------------
@ -275,6 +276,7 @@ typedef struct ResultRelInfo
IndexInfo **ri_IndexRelationInfo;
TriggerDesc *ri_TrigDesc;
FmgrInfo *ri_TrigFunctions;
struct Instrumentation *ri_TrigInstrument;
List **ri_ConstraintExprs;
JunkFilter *ri_junkFilter;
} ResultRelInfo;