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Add functions to reset the statistics counter for a single table/index or

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a single function.
This commit is contained in:
Magnus Hagander
2010-01-28 14:25:41 +00:00
parent 21d3ae09da
commit 083e1b0f27
6 changed files with 131 additions and 7 deletions
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24
src/include/pgstat.h
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@ -5,7 +5,7 @@
*
* Copyright (c) 2001-2010, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/pgstat.h,v 1.87 2010/01/19 14:11:31 mha Exp $
* $PostgreSQL: pgsql/src/include/pgstat.h,v 1.88 2010/01/28 14:25:41 mha Exp $
* ----------
*/
#ifndef PGSTAT_H
@ -39,6 +39,7 @@ typedef enum StatMsgType
PGSTAT_MTYPE_DROPDB,
PGSTAT_MTYPE_RESETCOUNTER,
PGSTAT_MTYPE_RESETSHAREDCOUNTER,
PGSTAT_MTYPE_RESETSINGLECOUNTER,
PGSTAT_MTYPE_AUTOVAC_START,
PGSTAT_MTYPE_VACUUM,
PGSTAT_MTYPE_ANALYZE,
@ -100,6 +101,12 @@ typedef enum PgStat_Shared_Reset_Target
RESET_BGWRITER
} PgStat_Shared_Reset_Target;
/* Possible object types for resetting single counters */
typedef enum PgStat_Single_Reset_Type
{
RESET_TABLE,
RESET_FUNCTION
} PgStat_Single_Reset_Type;
/* ------------------------------------------------------------
* Structures kept in backend local memory while accumulating counts
@ -278,6 +285,19 @@ typedef struct PgStat_MsgResetsharedcounter
PgStat_Shared_Reset_Target m_resettarget;
} PgStat_MsgResetsharedcounter;
/* ----------
* PgStat_MsgResetsinglecounter Sent by the backend to tell the collector
* to reset a single counter
* ----------
*/
typedef struct PgStat_MsgResetsinglecounter
{
PgStat_MsgHdr m_hdr;
Oid m_databaseid;
PgStat_Single_Reset_Type m_resettype;
Oid m_objectid;
} PgStat_MsgResetsinglecounter;
/* ----------
* PgStat_MsgAutovacStart Sent by the autovacuum daemon to signal
* that a database is going to be processed
@ -432,6 +452,7 @@ typedef union PgStat_Msg
PgStat_MsgDropdb msg_dropdb;
PgStat_MsgResetcounter msg_resetcounter;
PgStat_MsgResetsharedcounter msg_resetsharedcounter;
PgStat_MsgResetsinglecounter msg_resetsinglecounter;
PgStat_MsgAutovacStart msg_autovacuum;
PgStat_MsgVacuum msg_vacuum;
PgStat_MsgAnalyze msg_analyze;
@ -654,6 +675,7 @@ extern void pgstat_drop_database(Oid databaseid);
extern void pgstat_clear_snapshot(void);
extern void pgstat_reset_counters(void);
extern void pgstat_reset_shared_counters(const char *);
extern void pgstat_reset_single_counter(Oid objectid, PgStat_Single_Reset_Type type);
extern void pgstat_report_autovac(Oid dboid);
extern void pgstat_report_vacuum(Oid tableoid, bool shared, bool adopt_counts,