From dd028bec3822d1d9c28c35d599d687e038c7705f Mon Sep 17 00:00:00 2001
From: wei <>
Date: Thu, 4 Jan 2007 11:23:26 +0000
Subject: Add chat demo and tutorial.

---
 .../Data/ActiveRecord/Vendor/TDbMetaDataCommon.php    | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

(limited to 'framework/Data/ActiveRecord/Vendor')

diff --git a/framework/Data/ActiveRecord/Vendor/TDbMetaDataCommon.php b/framework/Data/ActiveRecord/Vendor/TDbMetaDataCommon.php
index 74c97689..fffdb6fb 100644
--- a/framework/Data/ActiveRecord/Vendor/TDbMetaDataCommon.php
+++ b/framework/Data/ActiveRecord/Vendor/TDbMetaDataCommon.php
@@ -161,9 +161,9 @@ abstract class TDbMetaDataCommon extends TDbMetaData
 	{
 		$conn->setActive(true);
 		$numKeys = count($this->getPrimaryKeys());
-		if($numKeys===0)
-			throw new TActiveRecordException('ar_no_primary_key_found',$this->getTableName());
 		$table = $this->getTableName();
+		if($numKeys===0)
+			throw new TActiveRecordException('ar_no_primary_key_found',$table);
 		if($numKeys===1)
 			$criteria = $this->getDeleteInPkCriteria($conn,$keys);
 		else
@@ -173,6 +173,21 @@ abstract class TDbMetaDataCommon extends TDbMetaData
 		$command->prepare();
 		return $command;
 	}
+
+	
+	/**
+	 * SQL command to delete records by criteria
+	 * @param TDbConnection database connection.
+	 * @param TActiveRecordCriteria criteria object.
+	 * @return TDbCommand delete command.
+	 */
+	public function getDeleteByCriteriaCommand($conn, $criteria)
+	{
+		$conditions = $criteria!==null?$this->getSqlFromCriteria($conn,$criteria) : '';
+		$table = $this->getTableName();
+		$sql = "DELETE FROM {$table} {$conditions}";
+		return $this->createCriteriaBindedCommand($conn,$sql, $criteria);
+	}
 }
 
 ?>
\ No newline at end of file
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