diff options
Diffstat (limited to 'contrib/pgstattuple/pgstattuple.c')
| -rw-r--r-- | contrib/pgstattuple/pgstattuple.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/contrib/pgstattuple/pgstattuple.c b/contrib/pgstattuple/pgstattuple.c index f4c046ca8c5..c2c5d11e5a6 100644 --- a/contrib/pgstattuple/pgstattuple.c +++ b/contrib/pgstattuple/pgstattuple.c @@ -1,5 +1,5 @@ /* - * $PostgreSQL: pgsql/contrib/pgstattuple/pgstattuple.c,v 1.36 2008/06/19 00:46:03 alvherre Exp $ + * $PostgreSQL: pgsql/contrib/pgstattuple/pgstattuple.c,v 1.37 2009/03/31 22:54:31 tgl Exp $ * * Copyright (c) 2001,2002 Tatsuo Ishii * @@ -199,6 +199,16 @@ pgstat_relation(Relation rel, FunctionCallInfo fcinfo) { const char *err; + /* + * Reject attempts to read non-local temporary relations; we would + * be likely to get wrong data since we have no visibility into the + * owning session's local buffers. + */ + if (RELATION_IS_OTHER_TEMP(rel)) + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("cannot access temporary tables of other sessions"))); + switch (rel->rd_rel->relkind) { case RELKIND_RELATION: |