QueryOptimizer.ReferencePrefixAnalyzer (Nuxeo 2021.1.19 API Documentation)

java.lang.Object
- org.nuxeo.ecm.core.query.sql.model.DefaultQueryVisitor
- - org.nuxeo.ecm.core.storage.QueryOptimizer.ReferencePrefixAnalyzer

All Implemented Interfaces:

IVisitor

Enclosing class:

QueryOptimizer
```
public class QueryOptimizer.ReferencePrefixAnalyzer
extends DefaultQueryVisitor
```
Analyzes references to compute common prefix info in order to later factor them in a parent expression.

Since:

9.3

Constructor Summary

Constructors
Constructor Description

ReferencePrefixAnalyzer()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`processExpression(Expression node, List<? extends Operand> operands)`
`protected void`	`processReference(Reference node)`
`void`	`visitExpression(Expression node)`
`void`	`visitMultiExpression(MultiExpression node)`
`void`	`visitReference(Reference node)`

Methods inherited from class org.nuxeo.ecm.core.query.sql.model.DefaultQueryVisitor
visitBooleanLiteral, visitDateLiteral, visitDoubleLiteral, visitFromClause, visitFunction, visitGroupByClause, visitHavingClause, visitIntegerLiteral, visitLiteral, visitLiteralList, visitOperandList, visitOperator, visitOrderByClause, visitOrderByExpr, visitOrderByList, visitQuery, visitReferenceList, visitSelectClause, visitStringLiteral, visitWhereClause

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

- Constructor Detail
  - ReferencePrefixAnalyzer
```
public ReferencePrefixAnalyzer()
```
- Method Detail
  - visitReference
```
public void visitReference(Reference node)
```
    Specified by:
    
    visitReference in interface IVisitor
    
    Overrides:
    
    visitReference in class DefaultQueryVisitor
  - visitMultiExpression
```
public void visitMultiExpression(MultiExpression node)
```
    Specified by:
    
    visitMultiExpression in interface IVisitor
    
    Overrides:
    
    visitMultiExpression in class DefaultQueryVisitor
  - visitExpression
```
public void visitExpression(Expression node)
```
    Specified by:
    
    visitExpression in interface IVisitor
    
    Overrides:
    
    visitExpression in class DefaultQueryVisitor
  - processReference
```
protected void processReference(Reference node)
```
  - processExpression
```
protected void processExpression(Expression node,
                                 List<? extends Operand> operands)
```