diff options
Diffstat (limited to 'contrib/pgstattuple/pgstatindex.c')
| -rw-r--r-- | contrib/pgstattuple/pgstatindex.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/contrib/pgstattuple/pgstatindex.c b/contrib/pgstattuple/pgstatindex.c index dfb162d5e45..b00ae5b766b 100644 --- a/contrib/pgstattuple/pgstatindex.c +++ b/contrib/pgstattuple/pgstatindex.c @@ -1,5 +1,5 @@ /* - * $PostgreSQL: pgsql/contrib/pgstattuple/pgstatindex.c,v 1.11 2008/05/17 01:28:22 adunstan Exp $ + * $PostgreSQL: pgsql/contrib/pgstattuple/pgstatindex.c,v 1.12 2009/03/31 22:54:31 tgl Exp $ * * * pgstatindex @@ -108,6 +108,16 @@ pgstatindex(PG_FUNCTION_ARGS) RelationGetRelationName(rel)); /* + * 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"))); + + /* * Read metapage */ { @@ -262,6 +272,8 @@ pg_relpages(PG_FUNCTION_ARGS) relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname)); rel = relation_openrv(relrv, AccessShareLock); + /* note: this will work OK on non-local temp tables */ + relpages = RelationGetNumberOfBlocks(rel); relation_close(rel, AccessShareLock); |