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.CommandWithColumns

org.h2.command.ddl.AlterTableAlterColumn

public class AlterTableAlterColumn
extends CommandWithColumns

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 ALTER COLUMN SET VISIBLE, ALTER TABLE ALTER COLUMN SET INVISIBLE, 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

Modifier and Type	Method and Description
void	addColumn(Column column) Add a column to this table.
int	getType() Get the command type as defined in CommandInterface
void	setAddAfter(java.lang.String after)
void	setAddBefore(java.lang.String before)
void	setAddFirst() Add the column as the first column of the table.
void	setColumnsToRemove(java.util.ArrayList<Column> columnsToRemove)
void	setDefaultExpression(Expression defaultExpression) Set default or on update expression.
void	setIfNotExists(boolean ifNotExists)
void	setIfTableExists(boolean b)
void	setNewColumn(Column newColumn)
void	setOldColumn(Column oldColumn)
void	setSelectivity(Expression selectivity)
void	setTableName(java.lang.String tableName)
void	setType(int type)
void	setVisible(boolean visible)
int	update() Execute the statement.

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

addConstraintCommand, changePrimaryKeysToNotNull, createConstraints, generateSequences

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, getCteCleanups, getCurrentObjectId, getCurrentRowNumber, getObjectId, getParameters, getPlanSQL, getSession, getSQL, getSQL, getSQL, isCacheable, isQuery, needRecompile, prepare, query, setCommand, setCteCleanups, 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)

setAddFirst

public void setAddFirst()

Add the column as the first column of the table.

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)

Set default or on update expression.

Parameters:

defaultExpression - default or on update expression

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)

addColumn

public void addColumn(Column column)

Description copied from class: CommandWithColumns

Add a column to this table.

Specified by:

addColumn in class CommandWithColumns

Parameters:

column - the column to add

setColumnsToRemove

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

setVisible

public void setVisible(boolean visible)