Package org.h2.command.ddl

Class DropConstant

java.lang.Object

org.h2.command.Prepared

org.h2.command.ddl.DefineCommand

org.h2.command.ddl.SchemaCommand

org.h2.command.ddl.SchemaOwnerCommand

org.h2.command.ddl.DropConstant

public class DropConstant
extends SchemaOwnerCommand

This class represents the statement DROP CONSTANT

Field Summary

Fields

Modifier and Type	Field	Description
private String	constantName
private boolean	ifExists

Fields inherited from class org.h2.command.ddl.DefineCommand

transactional

Fields inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors

Constructor	Description
DropConstant(SessionLocal session, Schema schema)

Method Summary

Modifier and Type	Method	Description
int	getType()	Get the command type as defined in CommandInterface
void	setConstantName(String constantName)
void	setIfExists(boolean b)
(package private) long	update(Schema schema)

Methods inherited from class org.h2.command.ddl.SchemaOwnerCommand

update

Methods inherited from class org.h2.command.ddl.SchemaCommand

getSchema

Methods inherited from class org.h2.command.ddl.DefineCommand

isReadOnly, isTransactional, queryMeta, setTransactional

Methods inherited from class org.h2.command.Prepared

checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, isCacheable, isQuery, needRecompile, prepare, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString

Methods inherited from class java.lang.Object

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

Field Details

constantName

private String constantName

ifExists

private boolean ifExists

Constructor Details

DropConstant

public DropConstant(SessionLocal session,
 Schema schema)

Method Details

setIfExists

public void setIfExists(boolean b)

setConstantName

public void setConstantName(String constantName)

update

long update(Schema schema)

Specified by:

update in class SchemaOwnerCommand

getType

public int getType()

Description copied from class: Prepared

Get the command type as defined in CommandInterface

Specified by:

getType in class Prepared

Returns:

the statement type