Package org.h2.command.ddl

Class AlterTableDropConstraint

java.lang.Object

org.h2.command.Prepared

org.h2.command.ddl.DefineCommand

org.h2.command.ddl.SchemaCommand

org.h2.command.ddl.AlterTable

org.h2.command.ddl.AlterTableDropConstraint

public class AlterTableDropConstraint
extends AlterTable

This class represents the statement ALTER TABLE DROP CONSTRAINT

Field Summary

Fields

Modifier and Type	Field	Description
private String	constraintName
private ConstraintActionType	dropAction
private final boolean	ifExists

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

ifTableExists, tableName

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
AlterTableDropConstraint(SessionLocal session, Schema schema, boolean ifExists)

Method Summary

Modifier and Type	Method	Description
int	getType()	Get the command type as defined in CommandInterface
void	setConstraintName(String string)
void	setDropAction(ConstraintActionType dropAction)
long	update(Table table)

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

setIfTableExists, setTableName, 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

constraintName

private String constraintName

ifExists

private final boolean ifExists

dropAction

private ConstraintActionType dropAction

Constructor Details

AlterTableDropConstraint

public AlterTableDropConstraint(SessionLocal session,
 Schema schema,
 boolean ifExists)

Method Details

setConstraintName

public void setConstraintName(String string)

setDropAction

public void setDropAction(ConstraintActionType dropAction)

update

public long update(Table table)

Specified by:

update in class AlterTable

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