Package org.nuxeo.ecm.core.storage

Class QueryOptimizer.ReferencePrefixAnalyzer

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

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 Details

ReferencePrefixAnalyzer

public ReferencePrefixAnalyzer()

Method Details

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)