EqualsSQLOptimizer (Ontopia)

java.lang.Object
- net.ontopia.persistence.query.sql.BooleanSQLOptimizer
- - net.ontopia.persistence.query.sql.EqualsSQLOptimizer

```
public class EqualsSQLOptimizer
extends BooleanSQLOptimizer
```
INTERNAL: SQL optimizer that removes A = A and A != A expressions.

Constructor Summary

Constructors
Constructor Description

EqualsSQLOptimizer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SQLQuery`	`optimize(SQLQuery query)`
`protected int`	`optimizeEquals(SQLEquals expr)`
`protected int`	`optimizeNotEquals(SQLNotEquals expr)`

Methods inherited from class net.ontopia.persistence.query.sql.BooleanSQLOptimizer
optimizeAnd, optimizeExists, optimizeExpression, optimizeFalse, optimizeFilter, optimizeIn, optimizeIsNull, optimizeJoin, optimizeLike, optimizeNot, optimizeOr, optimizeOrderBy, optimizeQuery, optimizeSelect, optimizeSetOperation, optimizeValueExpression, optimizeVerbatimExpression

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

- Constructor Detail
  - EqualsSQLOptimizer
```
public EqualsSQLOptimizer()
```
- Method Detail
  - optimize
```
public SQLQuery optimize(SQLQuery query)
```
    Specified by:
    
    optimize in class BooleanSQLOptimizer
  - optimizeEquals
```
protected int optimizeEquals(SQLEquals expr)
```
    Overrides:
    
    optimizeEquals in class BooleanSQLOptimizer
  - optimizeNotEquals
```
protected int optimizeNotEquals(SQLNotEquals expr)
```
    Overrides:
    
    optimizeNotEquals in class BooleanSQLOptimizer