AlterTableAlterColumn (JBoss Application Server: Build 7.1.2.Final API)

```
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

Constructors
Constructor and Description
`AlterTableAlterColumn(Session session, Schema schema)`

Methods
Modifier and Type	Method and Description
`int`	`getType()` Get the command type as defined in CommandInterface
`void`	`setAddBefore(String before)`
`void`	`setDefaultExpression(Expression defaultExpression)`
`void`	`setIfNotExists(boolean ifNotExists)`
`void`	`setNewColumn(Column newColumn)`
`void`	`setOldColumn(Column oldColumn)`
`void`	`setSelectivity(Expression selectivity)`
`void`	`setTable(Table table)`
`void`	`setType(int type)`
`int`	`update()` Execute the statement.

public AlterTableAlterColumn(Session session,
                     Schema schema)

public void setOldColumn(Column oldColumn)

public void setAddBefore(String before)

public void setSelectivity(Expression selectivity)

public void setDefaultExpression(Expression defaultExpression)

public void setNewColumn(Column newColumn)

public void setIfNotExists(boolean ifNotExists)

Class AlterTableAlterColumn