gudusoft.gsqlparser.nodes
Class TWhenClauseItem

java.lang.Object
  gudusoft.gsqlparser.nodes.TParseTreeNode
      gudusoft.gsqlparser.nodes.TWhenClauseItem

All Implemented Interfaces:

Visitable

public class TWhenClauseItem
extends TParseTreeNode

WhenClause item used in case expr of TCaseExpression.

Syntax:

WHEN comparison_expr THEN return_expr

in plsql case statement

WHEN comparison_expr THEN statement_list

in db2 case statement

WHEN comparison_expr THEN statement_list

Constructor Summary

TWhenClauseItem()

Method Summary

void	accept(TParseTreeVisitor v)
void	doParse(TCustomSqlStatement psql, ESqlClause plocation) analyze this node
TExpression	getComparison_expr()
TConstantList	getCount_fraction_description_list() Teradata: count,fraction description list of sample clause
TExpression	getReturn_expr()
TStatementList	getStatement_list()
void	init(java.lang.Object arg1, java.lang.Object arg2)

Methods inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

addAllMyTokensToTokenList, getColumnNo, getDummyTag, getEndToken, getGsqlparser, getLineNo, getNodeType, getStartToken, init, init, init, init, init, setDummyTag, setEndToken, setEndToken, setGsqlparser, setNodeType, setStartToken, setStartToken, setString, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TWhenClauseItem

public TWhenClauseItem()

Method Detail

getCount_fraction_description_list

public TConstantList getCount_fraction_description_list()

Teradata: count,fraction description list of sample clause

Returns:

getComparison_expr

public TExpression getComparison_expr()

getReturn_expr

public TExpression getReturn_expr()

getStatement_list

public TStatementList getStatement_list()

Returns:

statement list if it's in a plsql/db2 case statement.

init

public void init(java.lang.Object arg1,
                 java.lang.Object arg2)

Overrides:

init in class TParseTreeNode

doParse

public void doParse(TCustomSqlStatement psql,
                    ESqlClause plocation)

Description copied from class: TParseTreeNode

analyze this node

Overrides:

doParse in class TParseTreeNode

accept

public void accept(TParseTreeVisitor v)

Specified by:

accept in interface Visitable

Overrides:

accept in class TParseTreeNode