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Allow pg_statistics to be reset by calling pg_stat_reset().

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Christopher Kings-Lynne
This commit is contained in:
Bruce Momjian
2002-08-20 04:47:52 +00:00
parent de9801fc62
commit 5243f9a998
3 changed files with 24 additions and 2 deletions
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12
src/backend/utils/adt/pgstatfuncs.c
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@@ -20,6 +20,7 @@ extern Datum pg_stat_get_blocks_hit(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_idset(PG_FUNCTION_ARGS);
extern Datum pg_backend_pid(PG_FUNCTION_ARGS);
extern Datum pg_stat_reset(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_pid(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_dbid(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_userid(PG_FUNCTION_ARGS);
@@ -218,6 +219,17 @@ pg_backend_pid(PG_FUNCTION_ARGS)
PG_RETURN_INT32(MyProcPid);
}
/*
* Built-in function for resetting the counters
*
*/
Datum
pg_stat_reset(PG_FUNCTION_ARGS)
{
pgstat_reset_counters();
PG_RETURN_BOOL(true);
}
Datum
pg_stat_get_backend_pid(PG_FUNCTION_ARGS)

4
src/include/catalog/pg_proc.h
View File

@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_proc.h,v 1.257 2002/08/20 04:45:59 momjian Exp $
* $Id: pg_proc.h,v 1.258 2002/08/20 04:47:52 momjian Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
@@ -2715,6 +2715,8 @@ DATA(insert OID = 1936 ( pg_stat_get_backend_idset PGNSP PGUID 12 f f t t s 0
DESCR("Statistics: Currently active backend IDs");
DATA(insert OID = 2026 ( pg_backend_pid PGNSP PGUID 12 f f t f s 0 23 "" pg_backend_pid - _null_ ));
DESCR("Statistics: Current backend PID");
DATA(insert OID = 2274 ( pg_stat_reset PGNSP PGUID 12 f f f f v 0 16 "" pg_stat_reset - _null_ ));
DESCR("Statistics: Reset collected statistics");
DATA(insert OID = 1937 ( pg_stat_get_backend_pid PGNSP PGUID 12 f f t f s 1 23 "23" pg_stat_get_backend_pid - _null_ ));
DESCR("Statistics: PID of backend");
DATA(insert OID = 1938 ( pg_stat_get_backend_dbid PGNSP PGUID 12 f f t f s 1 26 "23" pg_stat_get_backend_dbid - _null_ ));