com.exasol.sql.expression.predicate

Class ExistsPredicate

java.lang.Object

com.exasol.sql.expression.predicate.AbstractPredicate

com.exasol.sql.expression.predicate.ExistsPredicate

All Implemented Interfaces:

BooleanExpression, Predicate, ValueExpression

public class ExistsPredicate
extends AbstractPredicate

A class that represents a EXISTS predicate.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExistsPredicate.ExistsPredicateOperator An operator for ExistsPredicate class.

Constructor Summary

Constructors

Constructor and Description
ExistsPredicate(Select selectQuery) Creates a new instance of ExistsPredicate.

Method Summary

Modifier and Type	Method and Description
void	accept(PredicateVisitor visitor) Accepts PredicateVisitor.
Select	getSelectQuery() Returns the sub select query in the EXISTS predicate.

Methods inherited from class com.exasol.sql.expression.predicate.AbstractPredicate

accept, accept, getOperator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExistsPredicate

public ExistsPredicate(Select selectQuery)

Creates a new instance of ExistsPredicate.

Parameters:

selectQuery - sub select query

Method Detail

getSelectQuery

public Select getSelectQuery()

Returns the sub select query in the EXISTS predicate.

Returns:

sub select query

accept

public void accept(PredicateVisitor visitor)

Description copied from interface: Predicate

Accepts PredicateVisitor.

Parameters:

visitor - predicate visitor to accept