/**
* @param Vo $vo
* @return int 返回删除数据的行数
* @throws \Simple\Model\Exception\DbException
* @throws \Simple\Exception\UnexpectedValueException
*/
public function delete(Vo $vo)
{
if (!$vo instanceof PDOVo) {
throw new UnexpectedValueException('vo参数必须为PDOVo对象。');
}
$priKey = $vo->getPrimaryKey();
$where = " `{$priKey}`=:{$priKey} ";
$tbName = $vo->getTableName();
$sql = "DELETE FROM `" . $tbName . "` WHERE " . $where;
Debug::trace('delete:' . $sql, 'mysql');
$sth = $this->_link->prepare($sql);
$sth->bindValue(":{$priKey}", call_user_func_array(array(&$vo, "get" . ucfirst($priKey)), array()));
$ret = $sth->execute();
if ($ret === false) {
throw new DbException($sth->errorInfo(), $sth->errorCode());
}
return $sth->rowCount();
}
/**
* cas更新
* @param Vo $vo
* @return bool
* @throws \Simple\Exception\UnexpectedValueException
*/
public function cas(Vo $vo)
{
if (!$vo instanceof NoSQLVo) {
throw new UnexpectedValueException('vo对象必须为NoSQLVo');
}
return $this->_link->cas($vo->getKey(), $vo->toSave(), $vo->getExpiredTime(), $vo->getCas());
}