From 3392e51b4edf84682b66ce9e32d00c1adb3205bb Mon Sep 17 00:00:00 2001
From: wei <>
Date: Tue, 8 May 2007 07:49:50 +0000
Subject: Fixed sqlmap query with limit and offsets.

---
 framework/Data/Common/TDbMetaData.php | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

(limited to 'framework/Data/Common/TDbMetaData.php')

diff --git a/framework/Data/Common/TDbMetaData.php b/framework/Data/Common/TDbMetaData.php
index d0963f44..e7c53618 100644
--- a/framework/Data/Common/TDbMetaData.php
+++ b/framework/Data/Common/TDbMetaData.php
@@ -80,11 +80,16 @@ abstract class TDbMetaData extends TComponent
 	 * @param string table or view name
 	 * @return TDbTableInfo table information.
 	 */
-	public function getTableInfo($tableName)
+	public function getTableInfo($tableName=null)
 	{
-		if(!isset($this->_tableInfoCache[$tableName]))
-			$this->_tableInfoCache[$tableName] = $this->createTableInfo($tableName);
-		return $this->_tableInfoCache[$tableName];
+		$key = $tableName===null?$this->getDbConnection()->getConnectionString():$tableName;
+		if(!isset($this->_tableInfoCache[$key]))
+		{
+			$class = $this->getTableInfoClass();
+			$tableInfo = $tableName===null ? new $class : $this->createTableInfo($tableName);
+			$this->_tableInfoCache[$key] = $tableInfo;
+		}
+		return $this->_tableInfoCache[$key];
 	}
 
 	/**
@@ -92,7 +97,7 @@ abstract class TDbMetaData extends TComponent
 	 * @param string table name.
 	 * @return TDbCommandBuilder command builder instance for the given table.
 	 */
-	public function createCommandBuilder($tableName)
+	public function createCommandBuilder($tableName=null)
 	{
 		return $this->getTableInfo($tableName)->createCommandBuilder($this->getDbConnection());
 	}
@@ -102,6 +107,14 @@ abstract class TDbMetaData extends TComponent
 	 * @return TDbTableInfo driver dependent create builder.
 	 */
 	abstract protected function createTableInfo($tableName);
+
+	/**
+	 * @return string TDbTableInfo class name.
+	 */
+	protected function getTableInfoClass()
+	{
+		return 'TDbTableInfo';
+	}
 }
 
 ?>
\ No newline at end of file
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