ExistsPredicate (Exasol SQL Statement Builder 4.5.2 API)

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 Description

static class ExistsPredicate.ExistsPredicateOperator
An operator for ExistsPredicate class.

Constructor Summary

Constructors
Constructor Description

ExistsPredicate(Select selectQuery)
Creates a new instance of ExistsPredicate.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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