From 2d9d7a6bf56801e38ba93e22346a5ef3b9ac73ea Mon Sep 17 00:00:00 2001 From: Alvaro Herrera Date: Thu, 7 Jun 2007 18:53:17 +0000 Subject: [PATCH] Avoid losing track of data for shared tables in pgstats. Report by Michael Fuhr, patch from Tom Lane after a messier suggestion by me. --- src/backend/postmaster/pgstat.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c index e23a665cd2b..b419af2ac30 100644 --- a/src/backend/postmaster/pgstat.c +++ b/src/backend/postmaster/pgstat.c @@ -13,7 +13,7 @@ * * Copyright (c) 2001-2007, PostgreSQL Global Development Group * - * $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.158 2007/05/27 17:28:35 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.159 2007/06/07 18:53:17 alvherre Exp $ * ---------- */ #include "postgres.h" @@ -813,7 +813,9 @@ pgstat_vacuum_tabstat(void) CHECK_FOR_INTERRUPTS(); - if (hash_search(htab, (void *) &dbid, HASH_FIND, NULL) == NULL) + /* the DB entry for shared tables (with InvalidOid) is never dropped */ + if (OidIsValid(dbid) && + hash_search(htab, (void *) &dbid, HASH_FIND, NULL) == NULL) pgstat_drop_database(dbid); }