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-rw-r--r--src/backend/utils/adt/dbsize.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/utils/adt/dbsize.c b/src/backend/utils/adt/dbsize.c
index 2ee59668cd7..7381f217251 100644
--- a/src/backend/utils/adt/dbsize.c
+++ b/src/backend/utils/adt/dbsize.c
@@ -242,6 +242,9 @@ 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)