oracle.pg.rdbms.pgql

Class ExprNavigator

java.lang.Object

oracle.pg.rdbms.pgql.ExprNavigator

public class ExprNavigator
extends java.lang.Object

This class handles navigation of a QueryExpression intermediate tree to facilitate a Visitor pattern style SQL translation algorithm.

Method Summary

Modifier and Type	Method and Description
static ExprNavigator	getExprNavigator(java.util.Map<java.lang.String,oracle.pgql.lang.ir.QueryExpression> exprAliasMap, BindValueInfo bvInfo) Factory method

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getExprNavigator

public static ExprNavigator getExprNavigator(java.util.Map<java.lang.String,oracle.pgql.lang.ir.QueryExpression> exprAliasMap,
                                             BindValueInfo bvInfo)

Factory method

Parameters:

exprAliasMap - alias to expression mapping

bvInfo - bind value information

Returns:

a new ExprNavigator instance