org.apache.cassandra.cql3.statements

Class DropFunctionStatement

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.DropFunctionStatement

All Implemented Interfaces:

CQLStatement

public final class DropFunctionStatement
extends SchemaAlteringStatement

A DROP FUNCTION statement parsed from a CQL query.

Nested Class Summary

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

ParsedStatement.Prepared

Field Summary

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

cfName

Constructor Summary

Constructors

Constructor and Description
DropFunctionStatement(FunctionName functionName, java.util.List<CQL3Type.Raw> argRawTypes, boolean argsPresent, 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.
ParsedStatement.Prepared	prepare()
void	prepareKeyspace(ClientState state)
void	validate(ClientState state) Perform additional validation required by the statment.

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

execute, executeInternal, getBoundTerms, grantPermissionsToCreator

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

columnFamily, keyspace, prepareKeyspace

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

getBoundVariables, getFunctions, setBoundVariables

Methods inherited from class java.lang.Object

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

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

getFunctions

Constructor Detail

DropFunctionStatement

public DropFunctionStatement(FunctionName functionName,
                     java.util.List<CQL3Type.Raw> argRawTypes,
                     boolean argsPresent,
                     boolean ifExists)

Method Detail

prepare

public ParsedStatement.Prepared prepare()
                                 throws InvalidRequestException

Overrides:

prepare in class SchemaAlteringStatement

Throws:

InvalidRequestException

prepareKeyspace

public void prepareKeyspace(ClientState state)
                     throws InvalidRequestException

Overrides:

prepareKeyspace in class SchemaAlteringStatement

Throws:

InvalidRequestException

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

announceMigration

public boolean announceMigration(boolean isLocalOnly)
                          throws RequestValidationException

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:

RequestValidationException