Added support for Solr join syntax in query helper

library/Solarium/Query/Helper.php

@@ -110,7 +110,6 @@ class Solarium_Query_Helper
      * Example: rangeQuery('store', '45,-94', '46,-93')
      * Returns: store:[45,-94 TO 46,-93]
      *
-     * @static
      * @param string $field
      * @param string $from
      * @param string $to
@@ -131,7 +130,6 @@ class Solarium_Query_Helper
      *
      * Find all entries within the distance of a certain point.
      *
-     * @static
      * @param  $pointX
      * @param  $pointY
      * @param  $field
@@ -158,7 +156,6 @@ class Solarium_Query_Helper
      * guaranteed to encompass all of the points of interest, but it may also
      * include other points that are slightly outside of the required distance.
      *
-     * @static
      * @param string $pointX
      * @param string $pointY
      * @param string $field
@@ -186,7 +183,6 @@ class Solarium_Query_Helper
      * or combining the distance with the relevancy score,
      * such as boosting by the inverse of the distance.
      *
-     * @static
      * @param  $pointX
      * @param  $pointY
      * @param  $field
@@ -203,7 +199,6 @@ class Solarium_Query_Helper
     /**
      * Render a qparser plugin call
      *
-     * @static
      * @param string $name
      * @param array $params
      * @return string
@@ -211,7 +206,7 @@ class Solarium_Query_Helper
     public function qparser($name, $params = array())
     {
         $output = '{!'.$name;
-        foreach ($params AS $key=>$value) {
+        foreach ($params as $key=>$value) {
             $output .= ' ' . $key . '=' . $value;
         }
         $output .= '}';
@@ -222,7 +217,6 @@ class Solarium_Query_Helper
     /**
      * Render a functionCall
      *
-     * @static
      * @param string $name
      * @param array $params
      * @return string
@@ -297,4 +291,19 @@ class Solarium_Query_Helper
         return $value;
     }
 
+    /**
+     * Render join localparams syntax
+     *
+     * @see http://wiki.apache.org/solr/Join
+     * @since 2.4.0
+     *
+     * @param $from
+     * @param $to
+     * @return string
+     */
+    public function join($from, $to)
+    {
+        return $this->qparser('join', array('from' => $from, 'to' => $to));
+    }
+
 }
\ No newline at end of file

tests/Solarium/Query/HelperTest.php

@@ -197,4 +197,12 @@ class Solarium_Query_HelperTest extends PHPUnit_Framework_TestCase
         $this->_helper->assemble('cat:%1% AND content:%2%',array('value1'));
     }
 
+    public function testJoin()
+    {
+        $this->assertEquals(
+            '{!join from=manu_id to=id}',
+            $this->_helper->join('manu_id', 'id')
+        );
+    }
+
 }