A predicate is a boolean expression that tests a term against some criteria. More...

#include <predicate.h>

Inheritance diagram for iceberg::Predicate< T >:

Public Member Functions
Expression::Operation	op () const override
	Returns the operation for an expression node.

const std::shared_ptr< T > &	term () const
	Returns the term this predicate tests.

Public Member Functions inherited from iceberg::Expression
virtual Result< std::shared_ptr< Expression > >	Negate () const
	Returns the negation of this expression, equivalent to not(this).

virtual bool	Equals (const Expression &other) const
	Returns whether this expression will accept the same values as another.

std::string	ToString () const override
	Get a user-readable string representation.

virtual bool	is_unbound_predicate () const

virtual bool	is_bound_predicate () const

virtual bool	is_unbound_aggregate () const

virtual bool	is_bound_aggregate () const

Protected Member Functions
	Predicate (Expression::Operation op, std::shared_ptr< T > term)
	Create a predicate with an operation and term.

Additional Inherited Members
Public Types inherited from iceberg::Expression
enum class	Operation { kTrue , kFalse , kIsNull , kNotNull , kIsNan , kNotNan , kLt , kLtEq , kGt , kGtEq , kEq , kNotEq , kIn , kNotIn , kNot , kAnd , kOr , kStartsWith , kNotStartsWith , kCount , kCountNull , kCountStar , kMax , kMin }
	Operation types for expressions.

Detailed Description

template<TermType T>
class iceberg::Predicate< T >

A predicate is a boolean expression that tests a term against some criteria.

Template Parameters

TermType The type of the term being tested

Constructor & Destructor Documentation

template<TermType T>

iceberg::Predicate< T >::Predicate	(	Expression::Operation	op,
		std::shared_ptr< T >	term
	)

protected

Create a predicate with an operation and term.

Parameters

op	The operation this predicate performs
term	The term this predicate tests

template<TermType T>

Expression::Operation iceberg::Predicate< T >::op ( ) const

inlineoverridevirtual

Returns the operation for an expression node.

The documentation for this class was generated from the following files: