Login Register

mongodb\Query sum()

sum() public method

Returns the sum of the specified column values.

public integer sum ( $q, $db = null )
$q	string	The column name. Make sure you properly quote column names in the expression.
$db	yii\mongodb\Connection	The Mongo connection used to execute the query. If this parameter is not given, the `mongodb` application component will be used.
return	integer	The sum of the specified column values

Links:

http://www.yiiframework.com/doc-2.0/yii-mongodb-query.html#sum()-detail

doc_Yii

2016-10-30 17:09:01

Comments

Leave a Comment

Please login to continue.

Popular Articles

db\Query sum() sum() public method Returns the sum of the specified column values. public mixed sum ( $q, $db = null )$q string The column name or expression

mongodb\Query from() from() public method Sets the collection to be selected from. public $this from ( $collection )$collection return $this The query object its

mongodb\Query populate() populate() public method Converts the raw query results into the format as specified by this query. This method is internally used to convert the

mongodb\Query options() options() public method Sets the cursor options. See also addOptions(). public $this options ( $options )$options array Cursor options in form

mongodb\Query aggregate() aggregate() protected method Performs the aggregation for the given column. protected integer aggregate ( $column, $operator, $db )$column stri