Optimizer, buttons, hulk smash. Also tests fail

src/main/scala/com/foursquare/slashem/Optimize.scala

@@ -11,7 +11,9 @@ object Optimizer {
     filters.filter(f => {
       f match {
         //Remove all empty search clauses
-        case x: Query[Empty[_]] => false
+        case x: Clause[Splat[_]] => {
+          false
+        }
         case _ => true
       }
     })

src/main/scala/com/foursquare/slashem/QueryBuilder.scala

@@ -351,6 +351,10 @@ case class QueryBuilder[M <: Record[M], Ord, Lim, MM <: MinimumMatchType, Y, H <
     ()
   }
 
+  /* Optimize the QueryBuilder */
+  def optimize() = {
+    this.copy(filters=Optimizer.optimizeFilters(filters))
+  }
 
   /** Fetch the results with the limit of l. Can only be used on an unlimited
   * query */
@@ -366,7 +370,7 @@ case class QueryBuilder[M <: Record[M], Ord, Lim, MM <: MinimumMatchType, Y, H <
   /** Fetch the results for a given query (blocking) with a specified timeout*/
   def fetch(timeout: Duration):  SearchResults[M, Y] = {
     // Gross++
-    meta.query(timeout, this)
+    meta.query(timeout, this.optimize())
   }
   /** Fetch the results for a given query (non-blocking)*/
   def fetchFuture(): Future[SearchResults[M,Y]] = {

src/test/scala/com/foursquare/slashem/QueryTest.scala

@@ -98,6 +98,17 @@ class QueryTest extends SpecsMatchers with ScalaCheckMatchers {
                              "rows" -> "10").sortWith(_._1 > _._1))
   }
 
+  @Test
+  def testProduceCorrectListfieldFilterAny {
+    val q = SVenueTest where (_.metall any) filter (_.metall any)
+    val optimizedQ = q.optimize()
+    val qp = q.meta.queryParams(optimizedQ).toList
+    Assert.assertEquals(qp.sortWith(_._1 > _._1),
+                        List("q" -> "*:*",
+                             "start" -> "0",
+                             "rows" -> "10").sortWith(_._1 > _._1))
+  }
+
 
 
   @Test