(Fixes issue 694)

CHANGELOG

@@ -22,6 +22,7 @@ Version 1.0.11 to be released
 - Enh #684: Improved Yii::import() to throw exception when set_include_path fails (Qiang)
 - Enh #685: Added support for recognizing "Z" in CDateFormatter (Qiang)
 - Enh #690: Enhanced the email validator pattern to capture 99% valid email addresses (Qiang)
+- Enh #694: CActiveRecord count methods will ignore criterias that are incomatible with COUNT SQL statement (Qiang)
 - Enh #697: Relational AR queries now also invoke CActiveRecord::beforeFind() (Qiang)
 - Enh #703: Upgraded autocomplete js code to version 1.1.0 (Qiang)
 - Enh: Added core message translation in Thai (Peerajak)

framework/db/ar/CActiveFinder.php

@@ -659,6 +659,7 @@ public function count($criteria=null)
 			$query->selects=array("COUNT(*)");
 
 		$query->orders=$query->groups=$query->havings=array();
+		$query->limit=$query->offset=-1;
 		$command=$query->createCommand($this->_builder);
 		return $command->queryScalar();
 	}

framework/db/schema/CDbCommandBuilder.php

@@ -93,8 +93,12 @@ public function createFindCommand($table,$criteria)
 	public function createCountCommand($table,$criteria)
 	{
 		$this->ensureTable($table);
-		$criteria->select='COUNT(*)';
-		return $this->createFindCommand($table,$criteria);
+		$sql=($criteria->distinct ? 'SELECT DISTINCT':'SELECT')." COUNT(*) FROM {$table->rawName}";
+		$sql=$this->applyJoin($sql,$criteria->join);
+		$sql=$this->applyCondition($sql,$criteria->condition);
+		$command=$this->_connection->createCommand($sql);
+		$this->bindValues($command,$criteria->params);
+		return $command;
 	}
 
 	/**