Doctrine\MongoDB\Aggregation\Stage\Group::sum PHP Method

Group Class Documentation Datei anzeigen Open project: doctrine/mongodb

sum() public method

Calculates and returns the sum of all the numeric values that result from applying a specified expression to each document in a group of documents that share the same group by key. Ignores nun-numeric values.

See also: http://docs.mongodb.org/manual/reference/operator/aggregation/sum/

See also: Expr::sum

public sum ( mixed \| Expr $expression ) : Operator
$expression	mixed \| Doctrine\MongoDB\Aggregation\Expr
return	Operator

    public function sum($expression)
    {
        $this->expr->sum($expression);
        return $this;
    }

Group

__construct

addToSet

avg

expression

field

first

getExpression

last

max

min

push

stdDevPop

stdDevSamp

sum