WhereClause (Exasol SQL Statement Builder 4.5.3 API)

java.lang.Object
- com.exasol.sql.AbstractFragment
- - com.exasol.sql.dql.select.WhereClause

All Implemented Interfaces:

MergeFragment, SelectFragment, Fragment
```
public class WhereClause
extends AbstractFragment
implements SelectFragment, MergeFragment
```
This class represents the where clause of an SQL statement. It contains the filter criteria in form of a BooleanExpression.

Field Summary
- Fields inherited from class com.exasol.sql.AbstractFragment
  root

Constructor Summary

Constructors
Constructor Description

WhereClause(SqlStatement root, BooleanExpression expression)
Create a new instance of a WhereClause

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(MergeVisitor visitor)`	Accept a visitor for `MERGE` statements
`void`	`accept(SelectVisitor visitor)`	Accept a visitor for `SELECT` statements
`BooleanExpression`	`getExpression()`	Get the boolean expression defining the filter criteria

Methods inherited from class com.exasol.sql.AbstractFragment
getRoot

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.exasol.sql.Fragment
getRoot

- Constructor Detail
  - WhereClause
```
public WhereClause(SqlStatement root,
                   BooleanExpression expression)
```
    Create a new instance of a WhereClause
    
    Parameters:
    
    root - SQL statement this WHERE clause belongs to
    
    expression - boolean expression servicing as criteria for the WHERE clause
- Method Detail
  - getExpression
```
public BooleanExpression getExpression()
```
    Get the boolean expression defining the filter criteria
    
    Returns:
    
    boolean expression
  - accept
```
public void accept(SelectVisitor visitor)
```
    Accept a visitor for SELECT statements
    
    Specified by:
    
    accept in interface SelectFragment
    
    Parameters:
    
    visitor - SELECT visitor
  - accept
```
public void accept(MergeVisitor visitor)
```
    Accept a visitor for MERGE statements
    
    Specified by:
    
    accept in interface MergeFragment
    
    Parameters:
    
    visitor - MERGE visitor