org.apache.cassandra.cql3.statements

Class DropIndexStatement

java.lang.Object

org.apache.cassandra.cql3.statements.ParsedStatement

org.apache.cassandra.cql3.statements.CFStatement

org.apache.cassandra.cql3.statements.SchemaAlteringStatement

org.apache.cassandra.cql3.statements.DropIndexStatement

All Implemented Interfaces:

CQLStatement

public class DropIndexStatement
extends SchemaAlteringStatement

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

ParsedStatement.Prepared

Field Summary

Fields

Modifier and Type	Field and Description
boolean	ifExists
java.lang.String	indexName

Fields inherited from class org.apache.cassandra.cql3.statements.CFStatement

cfName

Constructor Summary

Constructors

Constructor and Description
DropIndexStatement(IndexName indexName, boolean ifExists)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	announceMigration(boolean isLocalOnly) Announces the migration to other nodes in the cluster.
Event.SchemaChange	changeEvent()
void	checkAccess(ClientState state) Perform any access verification necessary for the statement.
java.lang.String	columnFamily()
ResultMessage	execute(QueryState state, QueryOptions options) Execute the statement and return the resulting result or null if there is no result.
void	validate(ClientState state) Perform additional validation required by the statment.

Methods inherited from class org.apache.cassandra.cql3.statements.SchemaAlteringStatement

executeInternal, getBoundTerms, prepare, prepareKeyspace

Methods inherited from class org.apache.cassandra.cql3.statements.CFStatement

keyspace, prepareKeyspace

Methods inherited from class org.apache.cassandra.cql3.statements.ParsedStatement

getBoundVariables, setBoundVariables

Methods inherited from class java.lang.Object

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

Field Detail

indexName

public final java.lang.String indexName

ifExists

public final boolean ifExists

Constructor Detail

DropIndexStatement

public DropIndexStatement(IndexName indexName,
                  boolean ifExists)

Method Detail

columnFamily

public java.lang.String columnFamily()

Overrides:

columnFamily in class CFStatement

checkAccess

public void checkAccess(ClientState state)
                 throws UnauthorizedException,
                        InvalidRequestException

Description copied from interface: CQLStatement

Perform any access verification necessary for the statement.

Parameters:

state - the current client state

Throws:

UnauthorizedException

InvalidRequestException

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.

Parameters:

state - the current client state

changeEvent

public Event.SchemaChange changeEvent()

Specified by:

changeEvent in class SchemaAlteringStatement

execute

public ResultMessage execute(QueryState state,
                    QueryOptions options)
                      throws RequestValidationException

Description copied from interface: CQLStatement

Execute the statement and return the resulting result or null if there is no result.

Specified by:

execute in interface CQLStatement

Overrides:

execute in class SchemaAlteringStatement

Parameters:

state - the current query state

options - options for this query (consistency, variables, pageSize, ...)

Throws:

RequestValidationException

announceMigration

public boolean announceMigration(boolean isLocalOnly)
                          throws InvalidRequestException,
                                 ConfigurationException

Description copied from class: SchemaAlteringStatement

Announces the migration to other nodes in the cluster.

Specified by:

announceMigration in class SchemaAlteringStatement

Returns:

true if the execution of this statement resulted in a schema change, false otherwise (when IF NOT EXISTS is used, for example)

Throws:

InvalidRequestException

ConfigurationException