diff options
| -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 cb79fadedb4..52018df8a51 100644 --- a/contrib/pgstattuple/pgstattuple.c +++ b/contrib/pgstattuple/pgstattuple.c @@ -1,5 +1,5 @@ /* - * $PostgreSQL: pgsql/contrib/pgstattuple/pgstattuple.c,v 1.20 2005/10/15 02:49:06 momjian Exp $ + * $PostgreSQL: pgsql/contrib/pgstattuple/pgstattuple.c,v 1.20.2.1 2009/03/31 22:56:05 tgl Exp $ * * Copyright (c) 2001,2002 Tatsuo Ishii * @@ -115,6 +115,16 @@ pgstattuple_real(Relation rel, FunctionCallInfo fcinfo) int i; Datum result; + /* + * 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 (isOtherTempNamespace(RelationGetNamespace(rel))) + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("cannot access temporary tables of other sessions"))); + /* Build a tuple descriptor for our result type */ if (get_call_result_type(fcinfo, NULL, &tupdesc) != TYPEFUNC_COMPOSITE) elog(ERROR, "return type must be a row type"); |