From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Thu, 11 Dec 2025 13:57:11 +0000 (+0200)
Subject: Fix comment on how temp files and subtransactions are handled
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=b65f1ad9b12767dbd45d9588ce8ed2e593dbddbf;p=users%2Frhaas%2Fpostgres.git

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 e9eaaf9c82..716fd7749b 100644
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -3185,9 +3185,10 @@ GetNextTempTableSpace(void)
 /*
  * 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,