org.apache.phoenix.parse

Class ParseNodeRewriter

java.lang.Object

org.apache.phoenix.parse.BaseParseNodeVisitor<T>

org.apache.phoenix.parse.TraverseAllParseNodeVisitor<ParseNode>

org.apache.phoenix.parse.ParseNodeRewriter

All Implemented Interfaces:

ParseNodeVisitor<ParseNode>

Direct Known Subclasses:

IndexExpressionParseNodeRewriter, IndexStatementRewriter, SelectStatementRewriter, StatementNormalizer, SubqueryRewriter, SubselectRewriter

public class ParseNodeRewriter
extends TraverseAllParseNodeVisitor<ParseNode>

Base class for visitors that rewrite the expression node hierarchy

Since:

0.1

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	ParseNodeRewriter.CompoundNodeFactory

Field Summary

Fields

Modifier and Type	Field and Description
protected static ParseNodeFactory	NODE_FACTORY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ParseNodeRewriter()
protected	ParseNodeRewriter(ColumnResolver resolver)
protected	ParseNodeRewriter(ColumnResolver resolver, int maxAliasCount)

Method Summary

Methods

Modifier and Type	Method and Description
void	addElement(List<ParseNode> l, ParseNode element)
protected void	enterParseNode(ParseNode node)
protected ColumnResolver	getResolver()
boolean	isTopLevel()
protected ParseNode	leaveCompoundNode(CompoundParseNode node, List<ParseNode> children, ParseNodeRewriter.CompoundNodeFactory factory)
List<ParseNode>	newElementList(int size)
protected void	reset()
static ParseNode	rewrite(ParseNode where, ParseNodeRewriter rewriter)
static SelectStatement	rewrite(SelectStatement statement, ParseNodeRewriter rewriter) Rewrite the select statement by switching any constants to the right hand side of the expression.
ParseNode	visit(BindParseNode node)
ParseNode	visit(ColumnParseNode node)
ParseNode	visit(FamilyWildcardParseNode node)
ParseNode	visit(LiteralParseNode node)
ParseNode	visit(SequenceValueParseNode node)
ParseNode	visit(SubqueryParseNode node)
ParseNode	visit(TableWildcardParseNode node)
ParseNode	visit(WildcardParseNode node)
ParseNode	visitLeave(AddParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(AndParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ArrayAllComparisonNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ArrayAnyComparisonNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ArrayConstructorNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ArrayElemRefNode node, List<ParseNode> nodes)
ParseNode	visitLeave(BetweenParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(CaseParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(CastParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ComparisonParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(DivideParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ExistsParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(FunctionParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(InListParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(InParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(IsNullParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(LikeParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(ModulusParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(MultiplyParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(NotParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(OrParseNode node, List<ParseNode> nodes)
ParseNode	visitLeave(RowValueConstructorParseNode node, List<ParseNode> children)
ParseNode	visitLeave(StringConcatParseNode node, List<ParseNode> l)
ParseNode	visitLeave(SubtractParseNode node, List<ParseNode> nodes)

Methods inherited from class org.apache.phoenix.parse.TraverseAllParseNodeVisitor

visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter, visitEnter

Methods inherited from class org.apache.phoenix.parse.BaseParseNodeVisitor

visit, visitEnter, visitLeave

Methods inherited from class java.lang.Object

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

Field Detail

NODE_FACTORY

protected static final ParseNodeFactory NODE_FACTORY

Constructor Detail

ParseNodeRewriter

protected ParseNodeRewriter()

ParseNodeRewriter

protected ParseNodeRewriter(ColumnResolver resolver)

ParseNodeRewriter

protected ParseNodeRewriter(ColumnResolver resolver,
                 int maxAliasCount)

Method Detail

rewrite

public static ParseNode rewrite(ParseNode where,
                ParseNodeRewriter rewriter)
                         throws SQLException

Throws:

SQLException

rewrite

public static SelectStatement rewrite(SelectStatement statement,
                      ParseNodeRewriter rewriter)
                               throws SQLException

Rewrite the select statement by switching any constants to the right hand side of the expression.

Parameters:

statement - the select statement

Returns:

new select statement

Throws:

SQLException

isTopLevel

public boolean isTopLevel()

getResolver

protected ColumnResolver getResolver()

reset

protected void reset()

leaveCompoundNode

protected ParseNode leaveCompoundNode(CompoundParseNode node,
                          List<ParseNode> children,
                          ParseNodeRewriter.CompoundNodeFactory factory)

enterParseNode

protected void enterParseNode(ParseNode node)

Specified by:

enterParseNode in class TraverseAllParseNodeVisitor<ParseNode>

visitLeave

public ParseNode visitLeave(AndParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(OrParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(SubtractParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(AddParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(MultiplyParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(DivideParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ModulusParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(FunctionParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(CaseParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(LikeParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(NotParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ExistsParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(CastParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(InListParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(InParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(IsNullParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ComparisonParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(BetweenParseNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visit

public ParseNode visit(ColumnParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visit

public ParseNode visit(LiteralParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visit

public ParseNode visit(BindParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visit

public ParseNode visit(WildcardParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visit

public ParseNode visit(TableWildcardParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visit

public ParseNode visit(FamilyWildcardParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visit

public ParseNode visit(SubqueryParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

newElementList

public List<ParseNode> newElementList(int size)

Specified by:

newElementList in interface ParseNodeVisitor<ParseNode>

Overrides:

newElementList in class BaseParseNodeVisitor<ParseNode>

visitLeave

public ParseNode visitLeave(StringConcatParseNode node,
                   List<ParseNode> l)
                     throws SQLException

Throws:

SQLException

addElement

public void addElement(List<ParseNode> l,
              ParseNode element)

Specified by:

addElement in interface ParseNodeVisitor<ParseNode>

Overrides:

addElement in class BaseParseNodeVisitor<ParseNode>

visitLeave

public ParseNode visitLeave(RowValueConstructorParseNode node,
                   List<ParseNode> children)
                     throws SQLException

Throws:

SQLException

visit

public ParseNode visit(SequenceValueParseNode node)
                throws SQLException

Specified by:

visit in interface ParseNodeVisitor<ParseNode>

Overrides:

visit in class TraverseAllParseNodeVisitor<ParseNode>

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ArrayConstructorNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ArrayAnyComparisonNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ArrayAllComparisonNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException

visitLeave

public ParseNode visitLeave(ArrayElemRefNode node,
                   List<ParseNode> nodes)
                     throws SQLException

Throws:

SQLException