Package org.apache.cassandra.cql3.statements

Class UseStatement

java.lang.Object

org.apache.cassandra.cql3.CQLStatement.Raw

org.apache.cassandra.cql3.statements.UseStatement

All Implemented Interfaces:

CQLStatement

public class UseStatement
extends CQLStatement.Raw
implements CQLStatement

Nested Class Summary

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

CQLStatement.Raw, CQLStatement.SingleKeyspaceCqlStatement

Field Summary

Fields inherited from class org.apache.cassandra.cql3.CQLStatement.Raw

bindVariables

Constructor Summary

Constructors

Constructor	Description
UseStatement(String keyspace)

Method Summary

Modifier and Type	Method	Description
void	authorize(ClientState state)	Perform any access verification necessary for the statement.
ResultMessage	execute(QueryState state, QueryOptions options, Dispatcher.RequestTime requestTime)	Execute the statement and return the resulting result or null if there is no result.
ResultMessage	executeLocally(QueryState state, QueryOptions options)	Variant of execute used for internal query against the system tables, and thus only query the local node.
AuditLogContext	getAuditLogContext()	Provides the context needed for audit logging statements.
String	keyspace()
UseStatement	prepare(ClientState state)
String	toString()
void	validate(ClientState state)	Perform additional validation required by the statment.

Methods inherited from class org.apache.cassandra.cql3.CQLStatement.Raw

setBindVariables

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

Constructor Details

UseStatement

public UseStatement(String keyspace)

Method Details

prepare

public UseStatement prepare(ClientState state)

Specified by:

prepare in class CQLStatement.Raw

authorize

public void authorize(ClientState state)
               throws UnauthorizedException

Description copied from interface: CQLStatement

Perform any access verification necessary for the statement.

Specified by:

authorize in interface CQLStatement

Parameters:

state - the current client state

Throws:

UnauthorizedException

validate

public void validate(ClientState state)
              throws InvalidRequestException

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

Parameters:

state - the current client state

Throws:

InvalidRequestException

execute

public ResultMessage execute(QueryState state,
 QueryOptions options,
 Dispatcher.RequestTime requestTime)
                      throws InvalidRequestException

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

Parameters:

state - the current query state

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

requestTime - request enqueue / and start times;

Throws:

InvalidRequestException

executeLocally

public ResultMessage executeLocally(QueryState state,
 QueryOptions options)
                             throws InvalidRequestException

Description copied from interface: CQLStatement

Variant of execute used for internal query against the system tables, and thus only query the local node.

Specified by:

executeLocally in interface CQLStatement

Parameters:

state - the current query state

Throws:

InvalidRequestException

toString

public String toString()

Overrides:

toString in class Object

getAuditLogContext

public AuditLogContext getAuditLogContext()

Description copied from interface: CQLStatement

Provides the context needed for audit logging statements.

Specified by:

getAuditLogContext in interface CQLStatement

keyspace

public String keyspace()