Added STRAIGHT_JOIN as a known type of join.

Author: udan11

src/Components/JoinKeyword.php

@@ -38,6 +38,7 @@ class JoinKeyword extends Component
         'LEFT OUTER JOIN'               => 'LEFT',
         'RIGHT JOIN'                    => 'RIGHT',
         'RIGHT OUTER JOIN'              => 'RIGHT',
+        'STRAIGHT_JOIN'                 => 'STRAIGHT',
     );
 
     /**
@@ -160,7 +161,7 @@ public static function build($component, array $options = array())
     {
         $ret = array();
         foreach ($component as $c) {
-            $ret[] = (($c->type === 'JOIN') ? 'JOIN ' : ($c->type . ' JOIN '))
+            $ret[] = array_search($c->type, static::$JOINS) . ' '
                 . $c->expr . ' ON ' . Condition::build($c->on);
         }
         return implode(' ', $ret);

src/Parser.php

@@ -196,6 +196,10 @@ class Parser
             'class'             => 'SqlParser\\Components\\JoinKeyword',
             'field'             => 'join',
         ),
+        'STRAIGHT_JOIN'         => array(
+            'class'             => 'SqlParser\\Components\\JoinKeyword',
+            'field'             => 'join',
+        ),
         'LIMIT'                 => array(
             'class'             => 'SqlParser\\Components\\Limit',
             'field'             => 'limit',