Cml\Db\MongoDB\MongoDB::sum PHP Method

MongoDB Class Documentation Show file Open project: linhecheng/cmlphp

sum() public method

获取 $sum的结果

public sum ( string $field = 'id', boolean \| string $isMulti = false, boolean \| string $useMaster = false ) : mixed
$field	string	要统计的字段名
$isMulti	boolean \| string	结果集是否为多条默认只有一条。传字符串时此参数为要$group的字段
$useMaster	boolean \| string	是否使用主库默认读取从库
return	mixed

    public function sum($field = 'id', $isMulti = false, $useMaster = false)
    {
        return $this->aggregation($field, $isMulti, '$sum', $useMaster);
    }

MongoDB

__construct

__destruct

__get

_and

_or

affectedRows

aggregation

avg

buildSql

callProcedure

columns