*** src/backend/commands/tablecmds.c.orig	Wed Jan  2 13:58:05 2008
--- src/backend/commands/tablecmds.c	Wed Jan  2 13:46:43 2008
***************
*** 514,519 ****
--- 514,522 ----
  	object.objectId = relOid;
  	object.objectSubId = 0;
  
+ 	//Try a lock here!
+ 	LockRelationOid(relOid, ExclusiveLock);
+ 
  	performDeletion(&object, behavior);
  }