1451. Class

1451.1. Zend\Db\Sql\Predicate\IsNull

1451.1.1. Methods

1451.1.1.1. __construct

__construct()

Constructor

Parameters:string –

1451.1.1.2. setIdentifier

setIdentifier()

Set identifier for comparison

Parameters:string – Return type:IsNull

1451.1.1.3. getIdentifier

getIdentifier()

Get identifier of comparison

Return type:null|string

1451.1.1.4. setSpecification

setSpecification()

Set specification string to use in forming SQL predicate

Parameters:string – Return type:IsNull

1451.1.1.5. getSpecification

getSpecification()

Get specification string to use in forming SQL predicate

Return type:string

1451.1.1.6. getExpressionData

getExpressionData()

Get parts for where statement

Return type:array