Union (pdb 2.8.5 API)

java.lang.Object
- com.feedzai.commons.sql.abstraction.dml.Expression
- - com.feedzai.commons.sql.abstraction.dml.Union

All Implemented Interfaces:

Serializable
```
public class Union
extends Expression
```
The union clause.

Since:

2.4.0

Author:

Francisco Santos (francisco.santos@feedzai.com)

See Also:

Serialized Form

Field Summary
- Fields inherited from class com.feedzai.commons.sql.abstraction.dml.Expression
  alias, enclosed, joins, ordering, properties, quotes, translator, withNoLock

Constructor Summary

Constructors
Constructor Description

Union(Expression... expressions)
Creates a new UNION expression.

Union(Collection<Expression> expressions)
Creates a new UNION expression.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Union`	`all()`	Sets this UNION to UNION ALL.
`List<Expression>`	`getExpressions()`	Gets the expressions to union.
`boolean`	`isAll()`	Returns true if this is an UNION ALL expression, false otherwise.
`String`	`translate()`	Translates the expression.

Methods inherited from class com.feedzai.commons.sql.abstraction.dml.Expression
alias, asc, desc, enclose, fullOuterJoin, getAlias, getJoins, getOrdering, innerJoin, isAliased, isEnclosed, isQuote, isQuotes, isWithNoLock, leftOuterJoin, rightOuterJoin, unquote, withNoLock

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

- Constructor Detail
  - Union
```
public Union(Collection<Expression> expressions)
```
    Creates a new UNION expression.
    
    Parameters:
    
    expressions - expressions to union.
  - Union
```
public Union(Expression... expressions)
```
    Creates a new UNION expression.
    
    Parameters:
    
    expressions - expressions to union.
- Method Detail
  - all
```
public Union all()
```
    Sets this UNION to UNION ALL.
    
    Returns:
    
    this UNION ALL.
  - getExpressions
```
public List<Expression> getExpressions()
```
    Gets the expressions to union.
    
    Returns:
    
    the expressions to union.
  - isAll
```
public boolean isAll()
```
    Returns true if this is an UNION ALL expression, false otherwise.
    
    Returns:
    
    true if this is an UNION ALL expression, false otherwise.
  - translate
```
public String translate()
```
    Description copied from class: Expression
    
    Translates the expression.
    
    Specified by:
    
    translate in class Expression
    
    Returns:
    
    A translation of the implementing expression.