database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-08-11 04:22:52 +03:00
Code Activity

Prevent core dump in contrib version of autovacuum when a table has been

Browse Source 
dropped.  Per report from daveg (not his patch, though).
This commit is contained in:
Tom Lane
2005-10-20 16:14:39 +00:00
parent fd5efffc15
commit 09290098c5
1 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
contrib/pg_autovacuum/pg_autovacuum.c
View File

@@ -4,7 +4,7 @@
* Revisions by Christopher B. Browne, Liberty RMS
* Win32 Service code added by Dave Page
*
* $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.c,v 1.27.4.4 2005/05/11 17:58:32 momjian Exp $
* $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.c,v 1.27.4.5 2005/10/20 16:14:39 tgl Exp $
*/
#include "postgres_fe.h"
@@ -314,7 +314,7 @@ init_table_info(PGresult *res, int row, db_info * dbi)
static void
update_table_thresholds(db_info * dbi, tbl_info * tbl, int vacuum_type)
{
PGresult *res = NULL;
PGresult *res;
int disconnect = 0;
char query[128];
@@ -328,7 +328,7 @@ update_table_thresholds(db_info * dbi, tbl_info * tbl, int vacuum_type)
{
snprintf(query, sizeof(query), PAGES_QUERY, tbl->relid);
res = send_query(query, dbi);
if (res != NULL)
if (res != NULL && PQntuples(res) > 0)
{
tbl->reltuples =
atof(PQgetvalue(res, 0, PQfnumber(res, "reltuples")));
@@ -350,8 +350,6 @@ update_table_thresholds(db_info * dbi, tbl_info * tbl, int vacuum_type)
(args->analyze_base_threshold + args->analyze_scaling_factor * tbl->reltuples);
tbl->CountAtLastAnalyze = tbl->curr_analyze_count;
PQclear(res);
/*
* If the stats collector is reporting fewer updates then we
* have on record then the stats were probably reset, so we
@@ -364,6 +362,8 @@ update_table_thresholds(db_info * dbi, tbl_info * tbl, int vacuum_type)
tbl->CountAtLastVacuum = tbl->curr_vacuum_count;
}
}
PQclear(res);
}
if (disconnect)
db_disconnect(dbi);