org.h2.command.ddl

Class AlterTableAlterColumn

java.lang.Object

org.h2.command.Prepared

org.h2.command.ddl.DefineCommand

org.h2.command.ddl.SchemaCommand

org.h2.command.ddl.AlterTableAlterColumn

public class AlterTableAlterColumn
extends SchemaCommand

This class represents the statements ALTER TABLE ADD, ALTER TABLE ADD IF NOT EXISTS, ALTER TABLE ALTER COLUMN, ALTER TABLE ALTER COLUMN RESTART, ALTER TABLE ALTER COLUMN SELECTIVITY, ALTER TABLE ALTER COLUMN SET DEFAULT, ALTER TABLE ALTER COLUMN SET NOT NULL, ALTER TABLE ALTER COLUMN SET NULL, ALTER TABLE DROP COLUMN

Field Summary

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

transactional

Fields inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement

Constructor Summary

Constructors

Constructor and Description
AlterTableAlterColumn(Session session, Schema schema)

Method Summary

Methods

Modifier and Type	Method and Description
int	getType() Get the command type as defined in CommandInterface
void	setAddAfter(java.lang.String after)
void	setAddBefore(java.lang.String before)
void	setColumnsToRemove(java.util.ArrayList<Column> columnsToRemove)
void	setDefaultExpression(Expression defaultExpression)
void	setIfNotExists(boolean ifNotExists)
void	setIfTableExists(boolean b)
void	setNewColumn(Column newColumn)
void	setNewColumns(java.util.ArrayList<Column> columnsToAdd)
void	setOldColumn(Column oldColumn)
void	setSelectivity(Expression selectivity)
void	setTableName(java.lang.String tableName)
void	setType(int type)
int	update() Execute the statement.

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, getCurrentObjectId, getCurrentRowNumber, getObjectId, getParameters, getPlanSQL, getSQL, getSQL, getSQL, isCacheable, isQuery, needRecompile, prepare, query, setCommand, setCurrentRowNumber, setObjectId, setParameterList, setPrepareAlways, setRow, setSession, setSQL, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AlterTableAlterColumn

public AlterTableAlterColumn(Session session,
                     Schema schema)

Method Detail

setIfTableExists

public void setIfTableExists(boolean b)

setTableName

public void setTableName(java.lang.String tableName)

setOldColumn

public void setOldColumn(Column oldColumn)

setAddBefore

public void setAddBefore(java.lang.String before)

setAddAfter

public void setAddAfter(java.lang.String after)

update

public int update()

Description copied from class: Prepared

Execute the statement.

Overrides:

update in class Prepared

Returns:

the update count

setType

public void setType(int type)

setSelectivity

public void setSelectivity(Expression selectivity)

setDefaultExpression

public void setDefaultExpression(Expression defaultExpression)

setNewColumn

public void setNewColumn(Column newColumn)

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

setIfNotExists

public void setIfNotExists(boolean ifNotExists)

setNewColumns

public void setNewColumns(java.util.ArrayList<Column> columnsToAdd)

setColumnsToRemove

public void setColumnsToRemove(java.util.ArrayList<Column> columnsToRemove)