Fix comment on how temp files and subtransactions are handled

The comment was accurate a long time ago, but not any more. I failed
to update the comment in commit ab3148b712.

diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index e9eaaf9c829331313e3654f1801671bee1b8200b..716fd7749b65da70b81cf6880d952a1cff615e30 100644 (file)
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -3185,9 +3185,10 @@ GetNextTempTableSpace(void)
 /*
  * AtEOSubXact_Files
  *
 /*
  * AtEOSubXact_Files
  *

- * Take care of subtransaction commit/abort.  At abort, we close temp files
- * that the subtransaction may have opened.  At commit, we reassign the
- * files that were opened to the parent subtransaction.
+ * Take care of subtransaction commit/abort.  At abort, we close AllocateDescs
+ * that the subtransaction may have opened.  At commit, we reassign them to
+ * the parent subtransaction.  (Temporary files are tracked by ResourceOwners
+ * instead.)

  */
 void
 AtEOSubXact_Files(bool isCommit, SubTransactionId mySubid,
  */
 void
 AtEOSubXact_Files(bool isCommit, SubTransactionId mySubid,