pgstat: rename STATS_COLLECTOR GUC group to STATS_CUMULATIVE.

Reviewed-By: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Author: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20220303021600.hs34ghqcw6zcokdh@alap3.anarazel.de

src/backend/utils/misc/guc.c

@@ -810,8 +810,8 @@ const char *const config_group_names[] =
 	gettext_noop("Reporting and Logging / Process Title"),
 	/* STATS_MONITORING */
 	gettext_noop("Statistics / Monitoring"),
-	/* STATS_COLLECTOR */
-	gettext_noop("Statistics / Query and Index Statistics Collector"),
+	/* STATS_CUMULATIVE */
+	gettext_noop("Statistics / Cumulative Query and Index Statistics"),
 	/* AUTOVACUUM */
 	gettext_noop("Autovacuum"),
 	/* CLIENT_CONN_STATEMENT */
@@ -1548,7 +1548,7 @@ static struct config_bool ConfigureNamesBool[] =
 #endif
 
 	{
-		{"track_activities", PGC_SUSET, STATS_COLLECTOR,
+		{"track_activities", PGC_SUSET, STATS_CUMULATIVE,
 			gettext_noop("Collects information about executing commands."),
 			gettext_noop("Enables the collection of information on the currently "
 						 "executing command of each session, along with "
@@ -1559,7 +1559,7 @@ static struct config_bool ConfigureNamesBool[] =
 		NULL, NULL, NULL
 	},
 	{
-		{"track_counts", PGC_SUSET, STATS_COLLECTOR,
+		{"track_counts", PGC_SUSET, STATS_CUMULATIVE,
 			gettext_noop("Collects statistics on database activity."),
 			NULL
 		},
@@ -1568,7 +1568,7 @@ static struct config_bool ConfigureNamesBool[] =
 		NULL, NULL, NULL
 	},
 	{
-		{"track_io_timing", PGC_SUSET, STATS_COLLECTOR,
+		{"track_io_timing", PGC_SUSET, STATS_CUMULATIVE,
 			gettext_noop("Collects timing statistics for database I/O activity."),
 			NULL
 		},
@@ -1577,7 +1577,7 @@ static struct config_bool ConfigureNamesBool[] =
 		NULL, NULL, NULL
 	},
 	{
-		{"track_wal_io_timing", PGC_SUSET, STATS_COLLECTOR,
+		{"track_wal_io_timing", PGC_SUSET, STATS_CUMULATIVE,
 			gettext_noop("Collects timing statistics for WAL I/O activity."),
 			NULL
 		},
@@ -3539,7 +3539,7 @@ static struct config_int ConfigureNamesInt[] =
 	},
 
 	{
-		{"track_activity_query_size", PGC_POSTMASTER, STATS_COLLECTOR,
+		{"track_activity_query_size", PGC_POSTMASTER, STATS_CUMULATIVE,
 			gettext_noop("Sets the size reserved for pg_stat_activity.query, in bytes."),
 			NULL,
 			GUC_UNIT_BYTE
@@ -4907,7 +4907,7 @@ static struct config_enum ConfigureNamesEnum[] =
 	},
 
 	{
-		{"track_functions", PGC_SUSET, STATS_COLLECTOR,
+		{"track_functions", PGC_SUSET, STATS_CUMULATIVE,
 			gettext_noop("Collects function-level statistics on database activity."),
 			NULL
 		},
@@ -4918,7 +4918,7 @@ static struct config_enum ConfigureNamesEnum[] =
 
 
 	{
-		{"stats_fetch_consistency", PGC_USERSET, STATS_COLLECTOR,
+		{"stats_fetch_consistency", PGC_USERSET, STATS_CUMULATIVE,
 			gettext_noop("Sets the consistency of accesses to statistics data"),
 			NULL
 		},

src/backend/utils/misc/postgresql.conf.sample

@@ -605,7 +605,7 @@
 # STATISTICS
 #------------------------------------------------------------------------------
 
-# - Query and Index Statistics Collector -
+# - Cumulative Query and Index Statistics -
 
 #track_activities = on
 #track_activity_query_size = 1024	# (change requires restart)

src/include/utils/guc_tables.h

@@ -82,7 +82,7 @@ enum config_group
 	LOGGING_WHAT,
 	PROCESS_TITLE,
 	STATS_MONITORING,
-	STATS_COLLECTOR,
+	STATS_CUMULATIVE,
 	AUTOVACUUM,
 	CLIENT_CONN_STATEMENT,
 	CLIENT_CONN_LOCALE,