SqlBasicVisitor

Overview

Package

Class

Tree

Deprecated

Index

Help

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.eigenbase.sql.util
Class SqlBasicVisitor<R>

java.lang.Object
  org.eigenbase.sql.util.SqlBasicVisitor<R>

All Implemented Interfaces:: SqlVisitor<R>

Direct Known Subclasses:: AggChecker, AggFinder, LucidDbSqlValidator.EquiJoinFinder, SqlBetweenOperator.AndFinder, SqlShuttle, Util.BacktrackVisitor

public class SqlBasicVisitor<R>
extends Object
implements SqlVisitor<R>
extends Object
implements SqlVisitor<R>

Basic implementation of SqlVisitor which does nothing at each node.

This class is useful as a base class for classes which implement the SqlVisitor interface. The derived class can override whichever methods it chooses.

Version:: $Id: //open/dev/farrago/src/org/eigenbase/sql/util/SqlBasicVisitor.java#15 $
Author:: jhyde

Nested Class Summary
`static interface`	`SqlBasicVisitor.ArgHandler<R>`
`static class`	`SqlBasicVisitor.ArgHandlerImpl<R>` Default implementation of `SqlBasicVisitor.ArgHandler` which merely calls `SqlNode.accept(org.eigenbase.sql.util.SqlVisitor)` on each operand.

Constructor Summary
`SqlBasicVisitor()`

Method Summary
`R`	`visit(SqlCall call)` Visits a call to a `SqlOperator`.
`R`	`visit(SqlDataTypeSpec type)` Visits a datatype specification.
`R`	`visit(SqlDynamicParam param)` Visits a dynamic parameter.
`R`	`visit(SqlIdentifier id)` Visits an identifier.
`R`	`visit(SqlIntervalQualifier intervalQualifier)` Visits an interval qualifier
`R`	`visit(SqlLiteral literal)` Visits a literal.
`R`	`visit(SqlNodeList nodeList)` Visits a list of `SqlNode` objects.

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

Constructor Detail

SqlBasicVisitor

public SqlBasicVisitor()

Method Detail