Fixed Scrutinizer issue.

Author: udan11

src/Components/IntoKeyword.php

@@ -138,12 +138,12 @@ public static function parse(Parser $parser, TokensList $list, array $options =
      */
     public static function build($component)
     {
-        if ($component->type === 'OUTFILE') {
-            return 'OUTFILE "' . $component->dest . '"';
-        } else {
+        if ($component->dest instanceof Expression) {
             $columns = !empty($component->columns) ?
                 '(' . implode(', ', $component->columns) . ')' : '';
             return Expression::build($component->dest) . $columns;
+        } else {
+            return 'OUTFILE "' . $component->dest . '"';
         }
     }
 }

src/Components/PartitionDefinition.php

@@ -71,7 +71,7 @@ class PartitionDefinition extends Component
     /**
      * The expression used to defined this partition.
      *
-     * @var Expression
+     * @var Expression|string
      */
     public $expr;