AlterTableRenameColumn

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.AlterTableRenameColumn

```
public class AlterTableRenameColumn
extends AlterTable
```
This class represents the statement ALTER TABLE ALTER COLUMN RENAME

Field Summary

Fields
Modifier and Type Field Description

private boolean ifExists

private java.lang.String newName

private java.lang.String oldName
- 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

AlterTableRenameColumn(SessionLocal session, Schema schema)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getType()`	Get the command type as defined in CommandInterface
`void`	`setIfExists(boolean b)`
`void`	`setNewColumnName(java.lang.String newName)`
`void`	`setOldColumnName(java.lang.String oldName)`
`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 Detail

ifExists
```
private boolean ifExists
```

oldName
```
private java.lang.String oldName
```

newName
```
private java.lang.String newName
```

Constructor Detail

AlterTableRenameColumn

public AlterTableRenameColumn(SessionLocal session,
                              Schema schema)

Method Detail
- setIfExists
```
public void setIfExists(boolean b)
```
- setOldColumnName
```
public void setOldColumnName(java.lang.String oldName)
```
- setNewColumnName
```
public void setNewColumnName(java.lang.String newName)
```
- 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