org.kududb.client

Class AlterTableBuilder

java.lang.Object

org.kududb.client.AlterTableBuilder

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public class AlterTableBuilder
extends Object

This builder must be used to alter a table. At least one change must be specified.

Constructor Summary

Constructors

Constructor and Description
AlterTableBuilder()

Method Summary

Modifier and Type	Method and Description
void	addColumn(String name, Type type, Object defaultVal) Add a new column that's not nullable
void	addNullableColumn(String name, Type type) Add a new column that's nullable, thus has no default value
void	dropColumn(String name) Drop a column
void	renameColumn(String oldName, String newName) Change the name of a column
void	renameTable(String newName) Change a table's name.

Methods inherited from class java.lang.Object

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

Constructor Detail

AlterTableBuilder

public AlterTableBuilder()

Method Detail

renameTable

public void renameTable(String newName)

Change a table's name.

Parameters:

newName - New table's name, must be used to check progress

addColumn

public void addColumn(String name,
                      Type type,
                      Object defaultVal)

Add a new column that's not nullable

Parameters:

name - Name of the new column

type - Type of the new column

defaultVal - Default value used for the currently existing rows

addNullableColumn

public void addNullableColumn(String name,
                              Type type)

Add a new column that's nullable, thus has no default value

Parameters:

name - Name of the new column

type - Type of the new column

dropColumn

public void dropColumn(String name)

Drop a column

Parameters:

name - Name of the column

renameColumn

public void renameColumn(String oldName,
                         String newName)

Change the name of a column

Parameters:

oldName - Old column's name, must exist

newName - New name to use