792f606a64
Contains the cql3 grammer and supporting classes, which will be converted one by one. From commit bf599fb5b062cbcc652da78b7d699e7a01b949ad.
48 lines
1.9 KiB
Java
48 lines
1.9 KiB
Java
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
package org.apache.cassandra.cql3.statements;
|
|
|
|
import org.apache.cassandra.auth.Auth;
|
|
import org.apache.cassandra.cql3.QueryProcessor;
|
|
import org.apache.cassandra.db.ConsistencyLevel;
|
|
import org.apache.cassandra.exceptions.RequestExecutionException;
|
|
import org.apache.cassandra.exceptions.RequestValidationException;
|
|
import org.apache.cassandra.exceptions.UnauthorizedException;
|
|
import org.apache.cassandra.service.ClientState;
|
|
import org.apache.cassandra.service.QueryState;
|
|
import org.apache.cassandra.transport.messages.ResultMessage;
|
|
|
|
public class ListUsersStatement extends AuthenticationStatement
|
|
{
|
|
public void validate(ClientState state)
|
|
{
|
|
}
|
|
|
|
public void checkAccess(ClientState state) throws UnauthorizedException
|
|
{
|
|
state.ensureNotAnonymous();
|
|
}
|
|
|
|
public ResultMessage execute(ClientState state) throws RequestValidationException, RequestExecutionException
|
|
{
|
|
return QueryProcessor.process(String.format("SELECT * FROM %s.%s", Auth.AUTH_KS, Auth.USERS_CF),
|
|
ConsistencyLevel.QUORUM,
|
|
QueryState.forInternalCalls());
|
|
}
|
|
}
|