gudusoft.gsqlparser.nodes

Class THierarchical

Object

gudusoft.gsqlparser.nodes.TParseTreeNode

gudusoft.gsqlparser.nodes.THierarchical

All Implemented Interfaces:

Visitable, Iterator<TSourceToken>

public class THierarchical
extends TParseTreeNode

Oracle hierarchical_query_clause lets you select rows in a hierarchical order.

Field Summary

Fields inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

dbvendor, doubleLinkedTokenListToString, nodeActionAppend, nodeActionInsert, nodeActionRemove, nodeActionUnknown, nodeActionUpdate, nodeActionUpdateText, nodeChangeEndToken, nodeChangeStartToken

Constructor Summary

Constructors

Constructor and Description
THierarchical()

Method Summary

Modifier and Type	Method and Description
void	accept(TParseTreeVisitor v) Accept a visitor
void	acceptChildren(TParseTreeVisitor v) Accept a visitor to iterate this class and sub-nodes of this class
void	doParse(TCustomSqlStatement psql, ESqlClause plocation) Analyze the sub-nodes inside this node.
TExpression	getConnectByClause() Deprecated. As of v1.6.6.6, use getConnectByList() instead
TPTNodeList<TConnectByClause>	getConnectByList()
TExpression	getStartWithClause() Specify a condition that identifies the row(s) to be used as the root(s) of a hierarchical query.
void	init(Object arg1) Initialize a query tree node.
void	init(Object arg1, Object arg2)
boolean	isNoCycle() Deprecated. As of v1.6.6.6, use TConnectByClause.isNoCycle() instead
void	setConnectByClause(TExpression connectByClause)
void	setConnectByList(TPTNodeList<TConnectByClause> connectByList)
void	setNoCycle(boolean noCycle)
void	setStartWithClause(TExpression startWithClause)

Methods inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

addAllMyTokensToTokenList, addToTokenChain, appendNewNode, calculateTokenCount, doAppendNewNode, fastSetString, getAnchorNode, getColumnNo, getCommentAfterNode, getCommentBeforeNode, getCompactString, getDummyTag, getEndToken, getEvaluateDatatype, getEvalValue, getGsqlparser, getLineNo, getLocation, getMd5, getNodeStatus, getNodeType, getParentObjectName, getPlainText, getStartToken, getTokenCount, hasNext, init, init, init, init, insertAfterAToken, insertNewNodeBeforeMe, isChanged, isTokensInChain, next, refreshAllNodesTokenCount, remove, removeAllMyTokensFromTokenList, removeTokens, removeTokensBetweenNodes, removeTokensBetweenToken, replaceWithNewNode, resetIterator, setAnchorNode, setChanged, setDummyTag, setEndToken, setEndToken, setEndToken, setEndToken, setEndToken, setEndTokenDirectly, setEvaluateDatatype, setEvalValue, setGsqlparser, setIncludingComment, setLocation, setNewSubNode, setNodeStatus, setNodeType, setParent, setPlainText, setStartToken, setStartToken, setStartToken, setStartToken, setStartTokenDirectly, setString, setString2, subNodeInNode, toScript, toString, toString2

Methods inherited from class Object

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

Methods inherited from interface Iterator

forEachRemaining

Constructor Detail

THierarchical

public THierarchical()

Method Detail

getConnectByList

public TPTNodeList<TConnectByClause> getConnectByList()

setNoCycle

public void setNoCycle(boolean noCycle)

isNoCycle

public boolean isNoCycle()

Deprecated. As of v1.6.6.6, use TConnectByClause.isNoCycle() instead

Returns:

no cycle

getStartWithClause

public TExpression getStartWithClause()

Specify a condition that identifies the row(s) to be used as the root(s) of a hierarchical query.

Returns:

start with clause

getConnectByClause

public TExpression getConnectByClause()

Deprecated. As of v1.6.6.6, use getConnectByList() instead

Specify a condition that identifies the relationship between parent rows and child rows of the hierarchy.

Returns:

connect by clause

init

public void init(Object arg1)

Description copied from class: TParseTreeNode

Initialize a query tree node. Used internally

Overrides:

init in class TParseTreeNode

Parameters:

arg1 - first argument

init

public void init(Object arg1,
                 Object arg2)

Overrides:

init in class TParseTreeNode

doParse

public void doParse(TCustomSqlStatement psql,
                    ESqlClause plocation)

Description copied from class: TParseTreeNode

Analyze the sub-nodes inside this node. Such as build the relationship between table and column.

Overrides:

doParse in class TParseTreeNode

Parameters:

psql - SQL statement this node belongs to

plocation - SQL clause this node belongs to

accept

public void accept(TParseTreeVisitor v)

Description copied from class: TParseTreeNode

Accept a visitor

Specified by:

accept in interface Visitable

Overrides:

accept in class TParseTreeNode

Parameters:

v - visitor is a descendant class of TParseTreeVisitor

acceptChildren

public void acceptChildren(TParseTreeVisitor v)

Description copied from class: TParseTreeNode

Accept a visitor to iterate this class and sub-nodes of this class

Specified by:

acceptChildren in interface Visitable

Overrides:

acceptChildren in class TParseTreeNode

Parameters:

v - visitor is a descendant class of TParseTreeVisitor

setConnectByList

public void setConnectByList(TPTNodeList<TConnectByClause> connectByList)

setConnectByClause

public void setConnectByClause(TExpression connectByClause)

setStartWithClause

public void setStartWithClause(TExpression startWithClause)