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Add a 'waiting' column to pg_stat_activity to carry the same information

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that ps_status provides by appending 'waiting' to the PS display.  This
completes the project of making it feasible to turn off process title
updates and instead rely on pg_stat_activity.  Per my suggestion a few
weeks ago.
This commit is contained in:
Tom Lane
2006-08-19 01:36:34 +00:00
parent 1be439084a
commit 9bf760f7de
9 changed files with 83 additions and 13 deletions
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22
src/backend/utils/adt/pgstatfuncs.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.32 2006/07/14 14:52:24 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/pgstatfuncs.c,v 1.33 2006/08/19 01:36:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -42,6 +42,7 @@ 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);
extern Datum pg_stat_get_backend_activity(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_waiting(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_activity_start(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_start(PG_FUNCTION_ARGS);
extern Datum pg_stat_get_backend_client_addr(PG_FUNCTION_ARGS);
@ -377,6 +378,25 @@ pg_stat_get_backend_activity(PG_FUNCTION_ARGS)
}
Datum
pg_stat_get_backend_waiting(PG_FUNCTION_ARGS)
{
int32 beid = PG_GETARG_INT32(0);
bool result;
PgBackendStatus *beentry;
if ((beentry = pgstat_fetch_stat_beentry(beid)) == NULL)
PG_RETURN_NULL();
if (!superuser() && beentry->st_userid != GetUserId())
PG_RETURN_NULL();
result = beentry->st_waiting;
PG_RETURN_BOOL(result);
}
Datum
pg_stat_get_backend_activity_start(PG_FUNCTION_ARGS)
{