InSubQExpression (OpenJPA Parent POM 2.4.0 API)

java.lang.Object
- org.apache.openjpa.jdbc.kernel.exps.InSubQExpression

All Implemented Interfaces:

Serializable, Exp, Expression
```
 class InSubQExpression
extends Object
implements Exp
```
Tests whether a value is IN a subquery.

Author:

Abe White

Constructor Summary

Constructors
Constructor and Description

InSubQExpression(Val val, SubQ sub)
Constructor.

Constructors
Constructor and Description
`InSubQExpression(Val val, SubQ sub)` Constructor.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`acceptVisit(ExpressionVisitor visitor)` Accept a visit from a tree visitor.
`void`	`appendTo(Select sel, ExpContext ctx, ExpState state, SQLBuffer buf)` Append the SQL for this expression to the given buffer.
`ExpState`	`initialize(Select sel, ExpContext ctx, Map contains)` Initialize the expression.
`void`	`selectColumns(Select sel, ExpContext ctx, ExpState state, boolean pks)` Select just the columns for this expression.

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

- Constructor Detail
  - InSubQExpression
```
public InSubQExpression(Val val,
                SubQ sub)
```
    Constructor. Supply the value to test and the subquery.
- Method Detail
  - initialize
```
public ExpState initialize(Select sel,
                  ExpContext ctx,
                  Map contains)
```
    Description copied from interface: Exp
    
    Initialize the expression. This method should recursively initialize any sub-expressions or values.
    
    Specified by:
    
    initialize in interface Exp
    
    contains - map of relation paths to the number of times the paths appear in a contains() expression; used to ensure paths used for contains() within the same AND expression used different aliases
  - appendTo
```
public void appendTo(Select sel,
            ExpContext ctx,
            ExpState state,
            SQLBuffer buf)
```
    Description copied from interface: Exp
    
    Append the SQL for this expression to the given buffer. The SQL should optionally include any joins this expression needs.
    
    Specified by:
    
    appendTo in interface Exp
  - selectColumns
```
public void selectColumns(Select sel,
                 ExpContext ctx,
                 ExpState state,
                 boolean pks)
```
    Description copied from interface: Exp
    
    Select just the columns for this expression.
    
    Specified by:
    
    selectColumns in interface Exp
  - acceptVisit
```
public void acceptVisit(ExpressionVisitor visitor)
```
    Description copied from interface: Expression
    
    Accept a visit from a tree visitor.
    
    Specified by:
    
    acceptVisit in interface Expression

Class InSubQExpression

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

InSubQExpression

Method Detail

initialize

appendTo

selectColumns

acceptVisit