diff options
Diffstat (limited to 'src/backend/utils/adt/dbsize.c')
| -rw-r--r-- | src/backend/utils/adt/dbsize.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/adt/dbsize.c b/src/backend/utils/adt/dbsize.c index cd23334a1a5..581fbfd7fa7 100644 --- a/src/backend/utils/adt/dbsize.c +++ b/src/backend/utils/adt/dbsize.c @@ -260,6 +260,9 @@ pg_tablespace_size_name(PG_FUNCTION_ARGS) /* * calculate size of (one fork of) a relation + * + * Note: we can safely apply this to temp tables of other sessions, so there + * is no check here or at the call sites for that. */ static int64 calculate_relation_size(RelFileNode *rfn, BackendId backend, ForkNumber forknum) @@ -314,7 +317,7 @@ pg_relation_size(PG_FUNCTION_ARGS) * that makes queries like "SELECT pg_relation_size(oid) FROM pg_class" * less robust, because while we scan pg_class with an MVCC snapshot, * someone else might drop the table. It's better to return NULL for - * alread-dropped tables than throw an error and abort the whole query. + * already-dropped tables than throw an error and abort the whole query. */ if (rel == NULL) PG_RETURN_NULL(); |