Package gudusoft.gsqlparser.nodes

Class TMergeUpdateClause

Object

gudusoft.gsqlparser.nodes.TParseTreeNode

gudusoft.gsqlparser.nodes.TMergeActionClause

gudusoft.gsqlparser.nodes.TMergeUpdateClause

All Implemented Interfaces:

Visitable, Iterator<TSourceToken>

public class TMergeUpdateClause
extends TMergeActionClause

update clause in merge statement.

     [when matched [and search_conditions ] then update set {col_name = expression} | delete]
 

call getUpdateColumnList() to return value for {col_name = expression}

See Also:

• TMergeWhenClause

Nested Class Summary

Nested classes/interfaces inherited from class gudusoft.gsqlparser.nodes.TMergeActionClause

TMergeActionClause.EMergeActionType

Field Summary

Fields inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

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

Constructor Summary

Constructors

Constructor	Description
TMergeUpdateClause()

Method Summary

Modifier and Type	Method	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	getDeleteWhereClause()
TResultColumnList	getUnSetTerms()
TResultColumnList	getUpdateColumnList()
TExpression	getUpdateWhereClause()
void	init(Object arg1)	Initialize a query tree node.
void	init(Object arg1, Object arg2)
void	init(Object arg1, Object arg2, Object arg3)
void	setDeleteWhereClause(TExpression deleteWhereClause)
void	setUnSetTerms(TResultColumnList unSetTerms)
void	setUpdateColumnList(TResultColumnList updateColumnList)
void	setUpdateWhereClause(TExpression updateWhereClause)

Methods inherited from class gudusoft.gsqlparser.nodes.TMergeActionClause

getMergeActionType

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, 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 java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Constructor Details

TMergeUpdateClause

public TMergeUpdateClause()

Method Details

getUpdateColumnList

public TResultColumnList getUpdateColumnList()

getUpdateWhereClause

public TExpression getUpdateWhereClause()

getDeleteWhereClause

public TExpression getDeleteWhereClause()

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

init

public void init(Object arg1,
 Object arg2,
 Object arg3)

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

setUnSetTerms

public void setUnSetTerms(TResultColumnList unSetTerms)

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

setUpdateColumnList

public void setUpdateColumnList(TResultColumnList updateColumnList)

setUpdateWhereClause

public void setUpdateWhereClause(TExpression updateWhereClause)

setDeleteWhereClause

public void setDeleteWhereClause(TExpression deleteWhereClause)

getUnSetTerms

public TResultColumnList getUnSetTerms()