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Add n_live_tuples and n_dead_tuples to pg_stat_all_tables.

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The purpose is to allow autovacuum-esq conditional vacuuming and
clustering using SQL to discover the required stats.

No documentation updates required.  Catalog version updated.

Glen Parker
This commit is contained in:
Bruce Momjian
2007-01-02 20:59:32 +00:00
parent 7bb1cc50b2
commit 2955f1ebf4
5 changed files with 49 additions and 9 deletions
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6
src/backend/catalog/system_views.sql
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@@ -3,7 +3,7 @@
*
* Copyright (c) 1996-2006, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.33 2006/12/06 18:06:47 neilc Exp $
* $PostgreSQL: pgsql/src/backend/catalog/system_views.sql,v 1.34 2007/01/02 20:59:31 momjian Exp $
*/
CREATE VIEW pg_roles AS
@@ -203,10 +203,12 @@ CREATE VIEW pg_stat_all_tables AS
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_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_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,