Package org.apache.cassandra.cql3.statements.schema

Class AlterTableStatement

java.lang.Object

org.apache.cassandra.cql3.statements.schema.AlterSchemaStatement

org.apache.cassandra.cql3.statements.schema.AlterTableStatement

All Implemented Interfaces:

CQLStatement, CQLStatement.SingleKeyspaceCqlStatement, SchemaTransformation

Direct Known Subclasses:

AlterTableStatement.AlterColumn, AlterTableStatement.MaskColumn

public abstract class AlterTableStatement
extends AlterSchemaStatement

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AlterTableStatement.AlterColumn	ALTER TABLE [IF EXISTS] <table> ALTER <column> TYPE <newtype>; No longer supported.
static class	AlterTableStatement.MaskColumn	ALTER TABLE [IF EXISTS] <table> ALTER [IF EXISTS] <column> ( MASKED WITH <newMask> | DROP MASKED )
static final class	AlterTableStatement.Raw

Nested classes/interfaces inherited from interface org.apache.cassandra.cql3.CQLStatement

CQLStatement.SingleKeyspaceCqlStatement

Nested classes/interfaces inherited from interface org.apache.cassandra.schema.SchemaTransformation

SchemaTransformation.SchemaTransformationResult

Field Summary

Fields

Modifier and Type	Field	Description
protected ClientState	state
protected final String	tableName

Fields inherited from class org.apache.cassandra.cql3.statements.schema.AlterSchemaStatement

keyspaceName

Constructor Summary

Constructors

Constructor	Description
AlterTableStatement(String keyspaceName, String tableName, boolean ifExists)

Method Summary

Modifier and Type	Method	Description
Keyspaces	apply(Keyspaces schema)	Apply a statement transformation to a schema snapshot.
void	authorize(ClientState client)	Perform any access verification necessary for the statement.
AuditLogContext	getAuditLogContext()	Provides the context needed for audit logging statements.
String	toString()
void	validate(ClientState state)	Perform additional validation required by the statment.

Methods inherited from class org.apache.cassandra.cql3.statements.schema.AlterSchemaStatement

execute, execute, executeLocally, keyspace, validateDefaultTimeToLive

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.cql3.CQLStatement

getBindVariables, getFunctions, getPartitionKeyBindVariableIndexes, hasConditions

Methods inherited from interface org.apache.cassandra.schema.SchemaTransformation

fixedTimestampMicros

Field Details

tableName

protected final String tableName

state

protected ClientState state

Constructor Details

AlterTableStatement

public AlterTableStatement(String keyspaceName,
 String tableName,
 boolean ifExists)

Method Details

validate

public void validate(ClientState state)

Description copied from interface: CQLStatement

Perform additional validation required by the statment. To be overriden by subclasses if needed.

Specified by:

validate in interface CQLStatement

Overrides:

validate in class AlterSchemaStatement

Parameters:

state - the current client state

apply

public Keyspaces apply(Keyspaces schema)

Description copied from interface: SchemaTransformation

Apply a statement transformation to a schema snapshot.

Implementing methods should be side-effect free (outside of throwing exceptions if the transformation cannot be successfully applied to the provided schema).

Parameters:

schema - Keyspaces to base the transformation on

Returns:

Keyspaces transformed by the statement

authorize

public void authorize(ClientState client)

Description copied from interface: CQLStatement

Perform any access verification necessary for the statement.

Parameters:

client - the current client state

getAuditLogContext

public AuditLogContext getAuditLogContext()

Description copied from interface: CQLStatement

Provides the context needed for audit logging statements.

toString

public String toString()

Overrides:

toString in class Object