function _before_update(QDB_ActiveRecord_Abstract $obj)
{
$cond = new QDB_Cond();
foreach ($this->_meta->idname as $idname) {
$cond->orCond("[{$idname}] <> ?", $obj->{$idname});
}
$this->_checkUniqueness($obj, $cond, true);
}
/**
* 直接创建一个 QDB_Cond 对象
*
* @param string|array|QDB_Expr|QDB_Cond $cond
* @param array $cond_args
*
* @return QDB_Cond
*/
static function createByArgs($cond, array $cond_args = null)
{
if (!is_array($cond_args)) {
$cond_args = array();
}
$c = new QDB_Cond();
if (!empty($cond)) {
array_unshift($cond_args, $cond);
$c->appendDirect($cond_args);
}
return $c;
}
/**
* 添加查询条件的内容方法
*
* @param string|array|QDB_Expr|QDB_Cond $cond
* @param array $args
* @param int $part_type
* @param bool $bool true = AND, false = OR
*
* @return QDB_Select
*/
protected function _addConditions($cond, array $args, $part_type, $bool)
{
if (!$cond instanceof QDB_Cond) {
if (empty($cond)) {
return $this;
}
$cond = QDB_Cond::createCronDirect($cond, $args);
}
if (is_null($this->_parts[$part_type])) {
$this->_parts[$part_type] = new QDB_Cond();
}
if ($bool) {
$this->_parts[$part_type]->andCond($cond);
} else {
$this->_parts[$part_type]->orCond($cond);
}
return $this;
}
