Fixed database storage listing implementation.

Author: hexus

src/Darya/Database/Storage.php

@@ -283,7 +283,17 @@ public function distinct($table, $column, array $filter = array(), $order = arra
 	public function listing($table, $column, array $filter = array(), $order = array(), $limit = null, $offset = 0) {
 		$query = $this->prepareSelect($table, "$column", $this->prepareWhere($filter), $this->prepareOrderBy($order), $this->prepareLimit($limit, $offset));
 
-		return $this->connection->query($query)->data;
+		$rows = $this->connection->query($query)->data;
+		
+		$data = array();
+		
+		foreach ($rows as $row) {
+			if (isset($row[$column])) {
+				$data[] = $row[$column];
+			}
+		}
+		
+		return $data;
 	}
 
 	/**