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Add support for tracking call counts and elapsed runtime for user-defined

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functions.

Note that because this patch changes FmgrInfo, any external C functions
you might be testing with 8.4 will need to be recompiled.

Patch by Martin Pihlak, some editorialization by me (principally, removing
tracking of getrusage() numbers)
This commit is contained in:
Tom Lane
2008-05-15 00:17:41 +00:00
parent 3bc25384d7
commit 93c701edc6
20 changed files with 830 additions and 67 deletions
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3
src/include/fmgr.h
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@@ -11,7 +11,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/fmgr.h,v 1.58 2008/04/21 00:26:46 tgl Exp $
* $PostgreSQL: pgsql/src/include/fmgr.h,v 1.59 2008/05/15 00:17:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -49,6 +49,7 @@ typedef struct FmgrInfo
* count */
bool fn_strict; /* function is "strict" (NULL in => NULL out) */
bool fn_retset; /* function returns a set */
unsigned char fn_stats; /* collect stats if track_functions > this */
void *fn_extra; /* extra space for use by handler */
MemoryContext fn_mcxt; /* memory context to store fn_extra in */
fmNodePtr fn_expr; /* expression parse tree for call, or NULL */