sum() public method Returns the sum of the specified column

exists() public method Returns a value indicating whether

addOptions() public method Adds additional cursor options

$options public property Cursor options in format: optionKey =>

count() public method Returns the number of records.

min() public method Returns the minimum of the specified

all() public method Executes the query and returns all

distinct() public method Returns a list of distinct values

select() public method Sets the list of fields of the

scalar() public method (available since version 2.1.2) Returns