--- plugins/FeedsNodeProcessor.inc	2009-11-18 16:53:48.000000000 +0000
+++ /var/www/localhost/feeds.20091124/plugins/FeedsNodeProcessor.inc	2009-11-23 15:29:28.000000000 +0000
@@ -99,7 +99,7 @@ class FeedsNodeProcessor extends FeedsPr
     // Create a way of letting the caller know whether all nodes could be
     // deleted. Has to be thought through in a larger context of batch
     // processing support for import and expiry.
-    $result = db_query('SELECT n.nid FROM {node} n JOIN {feeds_node_item} fni ON n.nid = fni.nid WHERE fni.id = "%s" AND n.created < %d', $this->id, FEEDS_REQUEST_TIME - $time, 0, 50);
+    $result = db_query('SELECT n.nid FROM {node} n JOIN {feeds_node_item} fni ON n.nid = fni.nid WHERE fni.id = \'%s\' AND n.created < %d', $this->id, FEEDS_REQUEST_TIME - $time, 0, 50);
     while ($node = db_fetch_object($result)) {
       _feeds_node_delete($node->nid);
     }
@@ -283,10 +283,10 @@ class FeedsNodeProcessor extends FeedsPr
     foreach ($this->uniqueTargets($source_item) as $target => $value) {
       switch ($target) {
         case 'url':
-          $nid = db_result(db_query('SELECT nid FROM {feeds_node_item} WHERE feed_nid = %d AND url = "%s"', $source->feed_nid, $value));
+          $nid = db_result(db_query('SELECT nid FROM {feeds_node_item} WHERE feed_nid = %d AND url = \'%s\'', $source->feed_nid, $value));
           break;
         case 'guid':
-          $nid = db_result(db_query('SELECT nid FROM {feeds_node_item} WHERE feed_nid = %d AND guid = "%s"', $source->feed_nid, $value));
+          $nid = db_result(db_query('SELECT nid FROM {feeds_node_item} WHERE feed_nid = %d AND guid = \'%s\'', $source->feed_nid, $value));
           break;
       }
       if ($nid) {
@@ -343,4 +343,4 @@ function _feeds_node_delete($nid) {
   }
   watchdog('content', '@type: deleted %title.', array('@type' => $node->type, '%title' => $node->title));
   drupal_set_message(t('@type %title has been deleted.', array('@type' => node_get_types('name', $node), '%title' => $node->title)));
-}
\ No newline at end of file
+}