=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/query/operators/In.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/query/operators/In.java	2015-11-04 06:46:21 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/query/operators/In.java	2015-11-04 08:29:32 +0000
@@ -40,7 +40,7 @@
 {
     public In( String arg )
     {
-        super( Typed.from( Collection.class ), arg );
+        super( Typed.from( String.class, Boolean.class, Number.class, Date.class, Enum.class ), arg );
     }
 
     @Override

=== modified file 'dhis-2/dhis-services/dhis-service-core/src/test/java/org/hisp/dhis/query/OperatorTest.java'
--- dhis-2/dhis-services/dhis-service-core/src/test/java/org/hisp/dhis/query/OperatorTest.java	2015-11-04 07:52:45 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/test/java/org/hisp/dhis/query/OperatorTest.java	2015-11-04 08:29:32 +0000
@@ -33,6 +33,7 @@
 import org.hisp.dhis.query.operators.GreaterEqual;
 import org.hisp.dhis.query.operators.GreaterThan;
 import org.hisp.dhis.query.operators.ILike;
+import org.hisp.dhis.query.operators.In;
 import org.hisp.dhis.query.operators.LessEqual;
 import org.hisp.dhis.query.operators.LessThan;
 import org.hisp.dhis.query.operators.Like;
@@ -328,4 +329,40 @@
         assertFalse( operator.test( null ) );
         assertTrue( operator.test( "test" ) );
     }
+
+    @Test
+    public void testInValidTypes()
+    {
+        In operator = new In( "[1,2,3]" );
+
+        assertTrue( operator.isValid( String.class ) );
+        assertTrue( operator.isValid( Number.class ) );
+        assertTrue( operator.isValid( Date.class ) );
+        assertTrue( operator.isValid( Boolean.class ) );
+        assertTrue( operator.isValid( Enum.class ) );
+    }
+
+    @Test
+    public void testInInt()
+    {
+        In operator = new In( "[1,2,3]" );
+
+        assertFalse( operator.test( 0 ) );
+        assertTrue( operator.test( 1 ) );
+        assertTrue( operator.test( 2 ) );
+        assertTrue( operator.test( 3 ) );
+        assertFalse( operator.test( 4 ) );
+    }
+
+    @Test
+    public void testInString()
+    {
+        In operator = new In( "[b,c,d]" );
+
+        assertFalse( operator.test( "a" ) );
+        assertTrue( operator.test( "b" ) );
+        assertTrue( operator.test( "c" ) );
+        assertTrue( operator.test( "d" ) );
+        assertFalse( operator.test( "e" ) );
+    }
 }