gudusoft.gsqlparser.stmt

Class TIfStmt

Object

gudusoft.gsqlparser.nodes.TParseTreeNode

gudusoft.gsqlparser.TCustomSqlStatement

gudusoft.gsqlparser.stmt.TIfStmt

All Implemented Interfaces:

IRelation, Visitable, Iterator<TSourceToken>

public class TIfStmt
extends TCustomSqlStatement

The IF statement executes or skips a sequence of statements, depending on the value of a Boolean expression

Field Summary

Fields inherited from class gudusoft.gsqlparser.TCustomSqlStatement

dummytag, fromClause, fromSourceJoin, fromSourceTable, isparsed, joins, parser, plsqlparser, relationAttributes, rootNode, sourcetokenlist, sqlstatementtype, stmtScope, tables

Fields inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

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

Constructor Summary

Constructors

Constructor and Description
TIfStmt()
TIfStmt(EDbVendor dbvendor)

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
int	doParseStatement(TCustomSqlStatement psql)
TExpression	getCondition()
TStatementList	getElseifStatements()
TStatementList	getElseStatements()
TStatementList	getThenStatements()
void	init(Object arg1, Object arg2, Object arg3)
void	setCondition(TExpression condition)
void	setElseifStatements(TStatementList elseifStatements)
void	setElseStatements(TStatementList elseStatements)
void	setElsifStmts(TStatementListSqlNode elsifStmts)
void	setThenStatements(TStatementList thenStatements)

Methods inherited from class gudusoft.gsqlparser.TCustomSqlStatement

addToTables, addWhereClause, analyzeFromTable, analyzeFromTable, analyzeJoin, analyzeTablename, analyzeTableOrJoin, asCanonical, checkNonQualifiedColumnReferenceInSubQueryOfUplevelStmt, clearError, dochecksyntax, findTable, fireOnMetaDatabaseTableColumn, getAncestorStmt, getAttributes, getColumnsInTable, getColumnsInTable, getCteIncludeThisStmt, getCteList, getDaxFunctionStack, getEndlabelName, getErrorCount, getErrormessage, getExpandedResultColumns, getFirstPhysicalTable, getFrameStack, getFromClause, getFromSourceJoin, getFromSourceTable, getGlobalScope, getIndexColumns, getJoins, getLabelName, getOrphanColumns, getOutputClause, getParentObjectName, getParentStmt, getRelationName, getRelations, getResultColumnList, getReturningClause, getSqlEnv, getStatements, getStmtScope, getSymbolTable, getSyntaxErrors, getSyntaxHints, getTables, getTargetTable, getTokenList, getTopClause, getTopStatement, getUsingVariableList, getVariableStack, getWhereClause, isathenaplsql, isBigQueryplsql, isdatabricksplsql, isGaussDBStoredProcedure, isgreeplumplsql, isnzplsql, isoracleplsql, ispgplsql, isprestoplsql, issnowflakeplsql, isTableACTE, isverticaplsql, linkColumnReferenceToTable, linkColumnToTable, linkToFirstTable, locateVariableOrParameter, locateVariableOrParameter, OracleStatementCanBeSeparatedByBeginEndPair, parseerrormessagehandle, parsestatement, parsestatement, searchCTEList, searchDaxVariableInStack, searchFunctionInSQLEnv, setAlreadyAddToParent, setCteIncludeThisStmt, setCteList, setEndlabelName, setFrameStack, setFromClause, setLabelName, setOutputClause, setParentStmt, setParentStmtToNull, setResultColumnList, setReturningClause, setStmtScope, setTargetTable, setTopClause, setUsingVariableList, setVariableStack, setWhereClause, size, toScript, VerticaStatementCanBeSeparatedByBeginEndPair

Methods inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

addAllMyTokensToTokenList, addToTokenChain, appendNewNode, calculateTokenCount, doAppendNewNode, doParse, fastSetString, getAnchorNode, getColumnNo, getCommentAfterNode, getCommentBeforeNode, getCompactString, getDummyTag, getEndToken, getEvaluateDatatype, getEvalValue, getGsqlparser, getLineNo, getLocation, getMd5, getNodeStatus, getNodeType, getPlainText, getStartToken, getTokenCount, hasNext, init, 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, 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

TIfStmt

public TIfStmt()

TIfStmt

public TIfStmt(EDbVendor dbvendor)

Method Detail

getCondition

public TExpression getCondition()

Returns:

If and only if the value of this expression is TRUE, the statements following THEN execute

getElseifStatements

public TStatementList getElseifStatements()

Returns:

elseif statement list, type of TElsifStmt.

getThenStatements

public TStatementList getThenStatements()

Returns:

the statements after the THEN keyword

getElseStatements

public TStatementList getElseStatements()

Returns:

the statements after the ELSE keyword

setElsifStmts

public void setElsifStmts(TStatementListSqlNode elsifStmts)

init

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

Overrides:

init in class TParseTreeNode

doParseStatement

public int doParseStatement(TCustomSqlStatement psql)

Overrides:

doParseStatement in class TCustomSqlStatement

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

setCondition

public void setCondition(TExpression condition)

setElseifStatements

public void setElseifStatements(TStatementList elseifStatements)

setThenStatements

public void setThenStatements(TStatementList thenStatements)

setElseStatements

public void setElseStatements(TStatementList elseStatements)