-<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.72 2009/11/28 23:38:07 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/monitoring.sgml,v 1.73 2009/11/29 18:14:30 tgl Exp $ -->
<chapter id="monitoring">
<title>Monitoring Database Activity</title>
<row>
<entry><structname>pg_stat_activity</></entry>
<entry>One row per server process, showing database OID, database
- name, process <acronym>ID</>, user OID, user name, current query,
- query's waiting status, time at which the current transaction and
- current query began execution, time at which the process was
- started, client's address and port number, and application name.
+ name, process <acronym>ID</>, user OID, user name, application name,
+ current query, query's waiting status, time at which the current
+ transaction and current query began execution, time at which the
+ process was started, and client's address and port number.
The columns that report data on the current query are available unless
the parameter <varname>track_activities</varname> has been turned off.
- Furthermore, these columns and the application name are only visible if
- the user examining the view is a superuser or the same as the user
- owning the process being reported on.
+ Furthermore, these columns are only visible if the user examining
+ the view is a superuser or the same as the user owning the process
+ being reported on.
</entry>
</row>
*
* Copyright (c) 1996-2009, PostgreSQL Global Development Group
*
- * $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.62 2009/11/28 23:38:07 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.63 2009/11/29 18:14:30 tgl Exp $
*/
CREATE VIEW pg_roles AS
S.procpid,
S.usesysid,
U.rolname AS usename,
+ S.application_name,
S.current_query,
S.waiting,
S.xact_start,
S.query_start,
S.backend_start,
S.client_addr,
- S.client_port,
- S.application_name
+ S.client_port
FROM pg_database D, pg_stat_get_activity(NULL) AS S, pg_authid U
WHERE S.datid = D.oid AND
S.usesysid = U.oid;
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.55 2009/11/28 23:38:07 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.56 2009/11/29 18:14:30 tgl Exp $
*
*-------------------------------------------------------------------------
*/
TupleDescInitEntry(tupdesc, (AttrNumber) 1, "datid", OIDOID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 2, "procpid", INT4OID, -1, 0);
TupleDescInitEntry(tupdesc, (AttrNumber) 3, "usesysid", OIDOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 4, "current_query", TEXTOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 5, "waiting", BOOLOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 6, "act_start", TIMESTAMPTZOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 7, "query_start", TIMESTAMPTZOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 8, "backend_start", TIMESTAMPTZOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 9, "client_addr", INETOID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 10, "client_port", INT4OID, -1, 0);
- TupleDescInitEntry(tupdesc, (AttrNumber) 11, "application_name", TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 4, "application_name", TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 5, "current_query", TEXTOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 6, "waiting", BOOLOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 7, "act_start", TIMESTAMPTZOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 8, "query_start", TIMESTAMPTZOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 9, "backend_start", TIMESTAMPTZOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 10, "client_addr", INETOID, -1, 0);
+ TupleDescInitEntry(tupdesc, (AttrNumber) 11, "client_port", INT4OID, -1, 0);
funcctx->tuple_desc = BlessTupleDesc(tupdesc);
MemSet(nulls, 0, sizeof(nulls));
if (*(int *) (funcctx->user_fctx) > 0)
+ {
/* Get specific pid slot */
beentry = pgstat_fetch_stat_beentry(*(int *) (funcctx->user_fctx));
+ }
else
+ {
/* Get the next one in the list */
beentry = pgstat_fetch_stat_beentry(funcctx->call_cntr + 1); /* 1-based index */
+ }
if (!beentry)
{
int i;
for (i = 0; i < sizeof(nulls) / sizeof(nulls[0]); i++)
nulls[i] = true;
- nulls[3] = false;
- values[3] = CStringGetTextDatum("<backend information not available>");
+ nulls[4] = false;
+ values[4] = CStringGetTextDatum("<backend information not available>");
tuple = heap_form_tuple(funcctx->tuple_desc, values, nulls);
SRF_RETURN_NEXT(funcctx, HeapTupleGetDatum(tuple));
values[0] = ObjectIdGetDatum(beentry->st_databaseid);
values[1] = Int32GetDatum(beentry->st_procpid);
values[2] = ObjectIdGetDatum(beentry->st_userid);
+ if (beentry->st_appname)
+ values[3] = CStringGetTextDatum(beentry->st_appname);
+ else
+ nulls[3] = true;
/* Values only available to same user or superuser */
if (superuser() || beentry->st_userid == GetUserId())
{
if (*(beentry->st_activity) == '\0')
{
- values[3] = CStringGetTextDatum("<command string not enabled>");
+ values[4] = CStringGetTextDatum("<command string not enabled>");
}
else
{
- values[3] = CStringGetTextDatum(beentry->st_activity);
+ values[4] = CStringGetTextDatum(beentry->st_activity);
}
- values[4] = BoolGetDatum(beentry->st_waiting);
+ values[5] = BoolGetDatum(beentry->st_waiting);
if (beentry->st_xact_start_timestamp != 0)
- values[5] = TimestampTzGetDatum(beentry->st_xact_start_timestamp);
+ values[6] = TimestampTzGetDatum(beentry->st_xact_start_timestamp);
else
- nulls[5] = true;
+ nulls[6] = true;
if (beentry->st_activity_start_timestamp != 0)
- values[6] = TimestampTzGetDatum(beentry->st_activity_start_timestamp);
+ values[7] = TimestampTzGetDatum(beentry->st_activity_start_timestamp);
else
- nulls[6] = true;
+ nulls[7] = true;
if (beentry->st_proc_start_timestamp != 0)
- values[7] = TimestampTzGetDatum(beentry->st_proc_start_timestamp);
+ values[8] = TimestampTzGetDatum(beentry->st_proc_start_timestamp);
else
- nulls[7] = true;
+ nulls[8] = true;
/* A zeroed client addr means we don't know */
memset(&zero_clientaddr, 0, sizeof(zero_clientaddr));
if (memcmp(&(beentry->st_clientaddr), &zero_clientaddr,
sizeof(zero_clientaddr) == 0))
{
- nulls[8] = true;
nulls[9] = true;
+ nulls[10] = true;
}
else
{
NI_NUMERICHOST | NI_NUMERICSERV);
if (ret)
{
- nulls[8] = true;
nulls[9] = true;
+ nulls[10] = true;
}
else
{
clean_ipv6_addr(beentry->st_clientaddr.addr.ss_family, remote_host);
- values[8] = DirectFunctionCall1(inet_in,
+ values[9] = DirectFunctionCall1(inet_in,
CStringGetDatum(remote_host));
- values[9] = Int32GetDatum(atoi(remote_port));
+ values[10] = Int32GetDatum(atoi(remote_port));
}
}
else if (beentry->st_clientaddr.addr.ss_family == AF_UNIX)
* connections we have no permissions to view, or with
* errors.
*/
- nulls[8] = true;
- values[9] = DatumGetInt32(-1);
+ nulls[9] = true;
+ values[10] = DatumGetInt32(-1);
}
else
{
/* Unknown address type, should never happen */
- nulls[8] = true;
nulls[9] = true;
+ nulls[10] = true;
}
}
-
- /* application name */
- if (beentry->st_appname)
- values[10] = CStringGetTextDatum(beentry->st_appname);
- else
- nulls[10] = true;
}
else
{
/* No permissions to view data about this session */
- values[3] = CStringGetTextDatum("<insufficient privilege>");
- nulls[4] = true;
+ values[4] = CStringGetTextDatum("<insufficient privilege>");
nulls[5] = true;
nulls[6] = true;
nulls[7] = true;
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.553 2009/11/29 03:02:27 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/catversion.h,v 1.554 2009/11/29 18:14:30 tgl Exp $
*
*-------------------------------------------------------------------------
*/
*/
/* yyyymmddN */
-#define CATALOG_VERSION_NO 200911282
+#define CATALOG_VERSION_NO 200911291
#endif
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.553 2009/11/28 23:38:07 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/catalog/pg_proc.h,v 1.554 2009/11/29 18:14:30 tgl Exp $
*
* NOTES
* The script catalog/genbki.sh reads this file and generates .bki
DESCR("statistics: last auto analyze time for a table");
DATA(insert OID = 1936 ( pg_stat_get_backend_idset PGNSP PGUID 12 1 100 0 f f f t t s 0 0 23 "" _null_ _null_ _null_ _null_ pg_stat_get_backend_idset _null_ _null_ _null_ ));
DESCR("statistics: currently active backend IDs");
-DATA(insert OID = 2022 ( pg_stat_get_activity PGNSP PGUID 12 1 100 0 f f f f t s 1 0 2249 "23" "{23,26,23,26,25,16,1184,1184,1184,869,23,25}" "{i,o,o,o,o,o,o,o,o,o,o,o}" "{pid,datid,procpid,usesysid,current_query,waiting,xact_start,query_start,backend_start,client_addr,client_port,application_name}" _null_ pg_stat_get_activity _null_ _null_ _null_ ));
+DATA(insert OID = 2022 ( pg_stat_get_activity PGNSP PGUID 12 1 100 0 f f f f t s 1 0 2249 "23" "{23,26,23,26,25,25,16,1184,1184,1184,869,23}" "{i,o,o,o,o,o,o,o,o,o,o,o}" "{pid,datid,procpid,usesysid,application_name,current_query,waiting,xact_start,query_start,backend_start,client_addr,client_port}" _null_ pg_stat_get_activity _null_ _null_ _null_ ));
DESCR("statistics: information about currently active backends");
DATA(insert OID = 2026 ( pg_backend_pid PGNSP PGUID 12 1 0 0 f f f t f s 0 0 23 "" _null_ _null_ _null_ _null_ pg_backend_pid _null_ _null_ _null_ ));
DESCR("statistics: current backend PID");
pg_rules | SELECT n.nspname AS schemaname, c.relname AS tablename, r.rulename, pg_get_ruledef(r.oid) AS definition FROM ((pg_rewrite r JOIN pg_class c ON ((c.oid = r.ev_class))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (r.rulename <> '_RETURN'::name);
pg_settings | SELECT a.name, a.setting, a.unit, a.category, a.short_desc, a.extra_desc, a.context, a.vartype, a.source, a.min_val, a.max_val, a.enumvals, a.boot_val, a.reset_val, a.sourcefile, a.sourceline FROM pg_show_all_settings() a(name, setting, unit, category, short_desc, extra_desc, context, vartype, source, min_val, max_val, enumvals, boot_val, reset_val, sourcefile, sourceline);
pg_shadow | SELECT pg_authid.rolname AS usename, pg_authid.oid AS usesysid, pg_authid.rolcreatedb AS usecreatedb, pg_authid.rolsuper AS usesuper, pg_authid.rolcatupdate AS usecatupd, pg_authid.rolpassword AS passwd, (pg_authid.rolvaliduntil)::abstime AS valuntil, s.setconfig AS useconfig FROM (pg_authid LEFT JOIN pg_db_role_setting s ON (((pg_authid.oid = s.setrole) AND (s.setdatabase = (0)::oid)))) WHERE pg_authid.rolcanlogin;
- pg_stat_activity | SELECT s.datid, d.datname, s.procpid, s.usesysid, u.rolname AS usename, s.current_query, s.waiting, s.xact_start, s.query_start, s.backend_start, s.client_addr, s.client_port, s.application_name FROM pg_database d, pg_stat_get_activity(NULL::integer) s(datid, procpid, usesysid, current_query, waiting, xact_start, query_start, backend_start, client_addr, client_port, application_name), pg_authid u WHERE ((s.datid = d.oid) AND (s.usesysid = u.oid));
+ pg_stat_activity | SELECT s.datid, d.datname, s.procpid, s.usesysid, u.rolname AS usename, s.application_name, s.current_query, s.waiting, s.xact_start, s.query_start, s.backend_start, s.client_addr, s.client_port FROM pg_database d, pg_stat_get_activity(NULL::integer) s(datid, procpid, usesysid, application_name, current_query, waiting, xact_start, query_start, backend_start, client_addr, client_port), pg_authid u WHERE ((s.datid = d.oid) AND (s.usesysid = u.oid));
pg_stat_all_indexes | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
pg_stat_all_tables | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del, pg_stat_get_tuples_hot_updated(c.oid) AS n_tup_hot_upd, pg_stat_get_live_tuples(c.oid) AS n_live_tup, pg_stat_get_dead_tuples(c.oid) AS n_dead_tup, pg_stat_get_last_vacuum_time(c.oid) AS last_vacuum, pg_stat_get_last_autovacuum_time(c.oid) AS last_autovacuum, pg_stat_get_last_analyze_time(c.oid) AS last_analyze, pg_stat_get_last_autoanalyze_time(c.oid) AS last_autoanalyze FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
pg_stat_bgwriter | SELECT pg_stat_get_bgwriter_timed_checkpoints() AS checkpoints_timed, pg_stat_get_bgwriter_requested_checkpoints() AS checkpoints_req, pg_stat_get_bgwriter_buf_written_checkpoints() AS buffers_checkpoint, pg_stat_get_bgwriter_buf_written_clean() AS buffers_clean, pg_stat_get_bgwriter_maxwritten_clean() AS maxwritten_clean, pg_stat_get_buf_written_backend() AS buffers_backend, pg_stat_get_buf_alloc() AS buffers_alloc;
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