--- src/ui/dlgOperator.cpp.orig	Thu Sep 11 15:35:28 2003
+++ src/ui/dlgOperator.cpp	Thu Sep 11 15:36:30 2003
@@ -132,6 +132,10 @@
         cbGreater->SetSelection(0);
 
         chkCanHash->SetValue(oper->GetHashJoins());
+        if (!oper->GetLeftSortOperator().IsNull() || !oper->GetRightSortOperator().IsNull() ||
+            !oper->GetLessOperator().IsNull() || !oper->GetGreaterOperator().IsNull())
+            chkCanMerge->SetValue(TRUE);
+
 
 	    txtComment->SetValue(oper->GetComment());
         txtName->Disable();