gudusoft.gsqlparser.stmt

Class TAssignStmt

java.lang.Object

gudusoft.gsqlparser.nodes.TParseTreeNode

gudusoft.gsqlparser.TCustomSqlStatement

gudusoft.gsqlparser.stmt.TAssignStmt

All Implemented Interfaces:

Visitable

public class TAssignStmt
extends TCustomSqlStatement

The assignment statement sets the current value of a variable, field, parameter, or element that has been declared in the current scope.

Field Summary

Fields inherited from class gudusoft.gsqlparser.TCustomSqlStatement

dbvendor, dummytag, isparsed, joins, parser, plsqlparser, rootNode, sourcetokenlist, sqlstatementtype, tables

Constructor Summary

Constructors

Constructor and Description
TAssignStmt()
TAssignStmt(EDbVendor dbvendor)
TAssignStmt(TExpression pLeft, TExpression pExpr)

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	getExpression()
TExpression	getLeft() Lefe side of this assignment, can be attribute_name collection_name cursor_variable_name field_name host_cursor_variable_name host_variable_name object_name parameter_name record_name variable_name
TObjectName	getVariableName()
void	init(Object arg1, Object arg2)
void	setExpression(TExpression expression)
void	setLeft(TExpression left)

Methods inherited from class gudusoft.gsqlparser.TCustomSqlStatement

addToTables, addWhereClause, analyzeFromTable, analyzeJoin, analyzeTablename, checkNonQualifiedColumnReferenceInSubQueryOfUplevelStmt, clearError, dochecksyntax, findTable, fireOnMetaDatabaseTableColumn, getAncestorStmt, getCteList, getDaxFunctionStack, getEndlabelName, getErrorCount, getFirstPhysicalTable, getIndexColumns, getJoins, getLabelName, getOrphanColumns, getOutputClause, getParentStmt, getResultColumnList, getReturningClause, getStatements, getSymbolTable, getTables, getTargetTable, getTopClause, getTopStatement, getVariableStack, getWhereClause, isnzplsql, isoracleplsql, ispgplsql, isTableACTE, isverticaplsql, linkColumnReferenceToTable, linkColumnToTable, linkToFirstTable, locateVariableOrParameter, OracleStatementCanBeSeparatedByBeginEndPair, parseerrormessagehandle, parsestatement, searchCTEList, searchDaxVariableInStack, setCteList, setEndlabelName, setLabelName, setOutputClause, setParentStmt, setResultColumnList, setReturningClause, setTargetTable, setTopClause, setVariableStack, setWhereClause, VerticaStatementCanBeSeparatedByBeginEndPair

Methods inherited from class gudusoft.gsqlparser.nodes.TParseTreeNode

addAllMyTokensToTokenList, appendString, doParse, fastSetString, getColumnNo, getDummyTag, getEndToken, getGsqlparser, getLineNo, getNodeType, getStartToken, init, init, init, init, init, removeAllMyTokensFromTokenList, setDummyTag, setEndToken, setEndToken, setEndToken, setEndToken, setGsqlparser, setIncludingComment, setNodeType, setStartToken, setStartToken, setStartToken, setStartToken, setString, toScript, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

TAssignStmt

public TAssignStmt()

TAssignStmt

public TAssignStmt(TExpression pLeft,
                   TExpression pExpr)

TAssignStmt

public TAssignStmt(EDbVendor dbvendor)

Method Detail

getVariableName

public TObjectName getVariableName()

getExpression

public TExpression getExpression()

Returns:

The expression whose value is to be assigned to the target (the item to the left of the assignment operator) when the assignment statement executes.

getLeft

public TExpression getLeft()

Lefe side of this assignment, can be

• attribute_name
• collection_name
• cursor_variable_name
• field_name
• host_cursor_variable_name
• host_variable_name
• object_name
• parameter_name
• record_name
• variable_name

Returns:

A TExpression object.

setLeft

public void setLeft(TExpression left)

setExpression

public void setExpression(TExpression expression)

init

public void init(Object arg1,
                 Object arg2)

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