Dept. of second thoughts: regular COMMIT deletes deletable files before

releasing locks, so COMMIT PREPARED should too.

src/backend/access/transam/twophase.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *		$PostgreSQL: pgsql/src/backend/access/transam/twophase.c,v 1.1 2005/06/17 22:32:42 tgl Exp $
+ *		$PostgreSQL: pgsql/src/backend/access/transam/twophase.c,v 1.2 2005/06/18 05:21:09 tgl Exp $
  *
  * NOTES
  *		Each global transaction is associated with a global transaction
@@ -1114,13 +1114,11 @@ FinishPreparedTransaction(char *gid, bool isCommit)
 	 */
 	gxact->valid = false;
 
-	if (isCommit)
-		ProcessRecords(bufptr, xid, twophase_postcommit_callbacks);
-	else
-		ProcessRecords(bufptr, xid, twophase_postabort_callbacks);
-
 	/*
-	 * We also have to remove any files that were supposed to be dropped.
+	 * We have to remove any files that were supposed to be dropped.
+	 * For consistency with the regular xact.c code paths, must do this
+	 * before releasing locks, so do it before running the callbacks.
+	 *
 	 * NB: this code knows that we couldn't be dropping any temp rels ...
 	 */
 	if (isCommit)
@@ -1134,6 +1132,12 @@ FinishPreparedTransaction(char *gid, bool isCommit)
 			smgrdounlink(smgropen(abortrels[i]), false, false);
 	}
 
+	/* And now do the callbacks */
+	if (isCommit)
+		ProcessRecords(bufptr, xid, twophase_postcommit_callbacks);
+	else
+		ProcessRecords(bufptr, xid, twophase_postabort_callbacks);
+
 	pgstat_count_xact_commit();
 
 	/*