MONDRIAN: Test case for Bug641- "Large NON EMPTY result performs poor…

…ly with ResultStyle.ITERABLE"

[git-p4: depot-paths = "//open/mondrian/": change = 13127]

src/main/mondrian/util/Bug.java

@@ -142,6 +142,16 @@ public class Bug {
      */
     public static final boolean BugMondrian584Fixed = false;
 
+
+    /**
+     * Whether
+     * <a href="http://jira.pentaho.com/browse/MONDRIAN-641">bug MONDRIAN-641,
+     * "Large NON EMPTY result performs poorly with ResultStyle.ITERABLE"</a>
+     */
+    public static final boolean BugMondrian641Fixed = false;
+
+
+
     /**
      * Returns whether to avoid a test because the memory monitor may cause it
      * to fail.

testsrc/main/mondrian/test/PerformanceTest.java

@@ -10,6 +10,7 @@
 package mondrian.test;
 
 import mondrian.olap.*;
+import mondrian.util.Bug;
 
 import java.util.*;
 
@@ -67,6 +68,27 @@ public void testBugMondrian550Tuple() {
         assertEquals(3263, result2.getAxes()[1].getPositions().size());
     }
 
+
+    /**
+     * Test case for
+     * <a href="http://jira.pentaho.com/browse/MONDRIAN-641">
+     * Bug MONDRIAN-641</a>, "Large NON EMPTY result performs poorly with
+     * ResultStyle.ITERABLE".  Runs in ~10 seconds with ResultStyle.LIST,
+     * 99+ seconds with ITERABLE (on DELL Latitude D630).
+     */
+    public void testBug641() {
+        if (Bug.BugMondrian641Fixed) {
+            long start = System.currentTimeMillis();
+            Result result = executeQuery(
+                    "select  non empty  {  crossjoin( customers.[city].members, "
+                    + "crossjoin( [store type].[store type].members,  "
+                    + "product.[product name].members)) }"
+                    + " on 0 from sales");
+            printDuration("Bug ", start);
+            assertEquals(51148, result.getAxes()[0].getPositions().size());
+        }
+    }
+
     private TestContext getBugMondrian550Schema() {
         return TestContext.createSubstitutingCube(
             "Sales",