--- a/src/main/scala/RDB2RDFMain.scala	Thu Dec 17 00:37:34 2009 -0500
+++ b/src/main/scala/RDB2RDFMain.scala	Thu Dec 17 00:40:45 2009 -0500
@@ -201,8 +201,8 @@
 
   def filter(exprsP:Set[PrimaryExpression], varmap:Map[Var, SQL2RDFValueMapper], f:SparqlPrimaryExpression):Set[PrimaryExpression] = {
     var exprs = exprsP
-    val tup:Tuple3[Term, Term, String] = f match {
-      case SparqlPrimaryExpressionEq(l, r) => (l.term, r.term, "==")
+    val tup:(Term, Term, String) = f match {
+      case SparqlPrimaryExpressionEq(l, r) => (l.term, r.term, "==") // Alex, how can i return PrimaryExpressionEq here?
       case SparqlPrimaryExpressionLt(l, r) => (l.term, r.term, "<")
       }
     tup._1 match {