adding 'exists' search constraint

git-svn-id: http://mongodb-morph.googlecode.com/svn/trunk@126 406649b4-5d4b-11de-8abc-d1c337b90d21
a-musing-moose · Feb 1, 2010 · d193709 · d193709
1 parent 120e322
commit d193709
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/mongodb-morph/src/Morph/Query/Property.php b/mongodb-morph/src/Morph/Query/Property.php
@@ -76,8 +76,6 @@ public function property($propertyName)
         return $this->query->property($propertyName);
     }
 
-
-
     //////////////////////////
     // CONSTRAINT FUNCTIONS //
     //////////////////////////
@@ -241,6 +239,18 @@ public function size($value)
         return $this;
     }
 
+    /**
+     * Adds a constraint that a property must exist or not
+     *
+     * @param boolean $exists
+     * @return Morph_Query_Property
+     */
+    public function exists($exists = true)
+    {
+        $this->addCompoundConstraint('$exists', (bool)$exists);
+        return $this;
+    }
+
     /**
      * Sets the sort direction if needed
      *