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diff --git a/buildscripts/phing/classes/phing/tasks/ext/pdo/PDOQuerySplitter.php b/buildscripts/phing/classes/phing/tasks/ext/pdo/PDOQuerySplitter.php
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+++ b/buildscripts/phing/classes/phing/tasks/ext/pdo/PDOQuerySplitter.php
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+<?php
+
+/**
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information please see
+ * <http://phing.info>.
+ *
+ * @version $Id: e84ada3cdb7a04da60158c7a352fbb06f17f2ca7 $
+ * @package phing.tasks.ext.pdo
+ */
+
+/**
+ * Base class for classes that split SQL source into separate queries
+ *
+ * @author  Alexey Borzov <avb@php.net>
+ * @package phing.tasks.ext.pdo
+ * @version $Id$
+ */
+abstract class PDOQuerySplitter
+{
+   /**
+    * Task that uses the splitter
+    * @var PDOSQLExecTask
+    */
+    protected $parent;
+
+   /**
+    * Reader with SQL source
+    * @var BufferedReader
+    */
+    protected $sqlReader;
+
+   /**
+    * Constructor, sets the parent task and reader with SQL source
+    * 
+    * @param PDOSQLExecTask $parent
+    * @param Reader $reader
+    */
+    public function __construct(PDOSQLExecTask $parent, Reader $reader)
+    {
+        $this->parent    = $parent;
+        $this->sqlReader = new BufferedReader($reader);
+    }
+
+   /**
+    * Returns next query from SQL source, null if no more queries left
+    *
+    * @return string|null
+    */
+    abstract public function nextQuery();
+}