Remove leftover reference to old "flat file" mechanism in a comment.

The flat file mechanism was removed in PostgreSQL 9.0.

diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c
index c97862e7dc3cebcfe6e2b0dfc7a3b933ad3c9d06..e958dbc6af04bbd8df0503ad7e34ca45f47d7934 100644 (file)
--- a/src/backend/access/transam/xact.c
+++ b/src/backend/access/transam/xact.c
@@ -5778,8 +5778,7 @@ xact_redo_abort(xl_xact_parsed_abort *parsed, TransactionId xid)
                                              xid, parsed->nsubxacts, parsed->subxacts, max_xid);
 
        /*
-        * There are no flat files that need updating, nor invalidation
-        * messages to send or undo.
+        * There are no invalidation messages to send or undo.
         */
 
        /*