From 7280a2301a3d3dd251d8302c3f7999fa09780d42 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Fri, 24 Nov 2006 19:15:26 +0000
Subject: bug fixes of data layer.

---
 framework/Data/TDbDataReader.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'framework/Data/TDbDataReader.php')

diff --git a/framework/Data/TDbDataReader.php b/framework/Data/TDbDataReader.php
index 32b86c1d..ad3132b0 100644
--- a/framework/Data/TDbDataReader.php
+++ b/framework/Data/TDbDataReader.php
@@ -18,14 +18,16 @@
  * To read the current row of data, call {@link read}. The method {@link readAll}
  * returns all the rows in a single array.
  *
- * TDbDataReader implements Iterator interface and thus can be used in foreach like the following:
+ * One can also retrieve the rows of data in TDbDataReader by using foreach:
  * <code>
  * foreach($reader as $row)
  *     // $row represents a row of data
  * </code>
+ * Since TDbDataReader is a forward-only stream, you can only traverse it once.
  *
  * It is possible to use a specific mode of data fetching by setting
- * {@link setFetchMode FetchMode}. See {@link
+ * {@link setFetchMode FetchMode}. See {@link http://www.php.net/manual/en/function.pdostatement-setfetchmode.php}
+ * for more details.
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @version $Id $
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