.. Db/Sql/Predicate/IsNull.php generated using docpx on 01/30/13 03:26pm


Class
*****

Zend\\Db\\Sql\\Predicate\\IsNull
================================

Methods
-------

__construct
+++++++++++

.. function:: __construct()


    Constructor

    :param string: 



setIdentifier
+++++++++++++

.. function:: setIdentifier()


    Set identifier for comparison

    :param string: 

    :rtype: IsNull 



getIdentifier
+++++++++++++

.. function:: getIdentifier()


    Get identifier of comparison

    :rtype: null|string 



setSpecification
++++++++++++++++

.. function:: setSpecification()


    Set specification string to use in forming SQL predicate

    :param string: 

    :rtype: IsNull 



getSpecification
++++++++++++++++

.. function:: getSpecification()


    Get specification string to use in forming SQL predicate

    :rtype: string 



getExpressionData
+++++++++++++++++

.. function:: getExpressionData()


    Get parts for where statement

    :rtype: array