org.apache.cassandra.service.ClientWarningsTest.java Source code

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Here is the source code for org.apache.cassandra.service.ClientWarningsTest.java

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/*
 * 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.service;

import org.apache.commons.lang3.StringUtils;
import org.junit.BeforeClass;
import org.junit.Test;

import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.cql3.QueryOptions;
import org.apache.cassandra.cql3.CQLTester;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.dht.ByteOrderedPartitioner;
import org.apache.cassandra.transport.Message;
import org.apache.cassandra.transport.Server;
import org.apache.cassandra.transport.SimpleClient;
import org.apache.cassandra.transport.messages.QueryMessage;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNull;

public class ClientWarningsTest extends CQLTester {
    @BeforeClass
    public static void setUp() {
        DatabaseDescriptor.setPartitioner(ByteOrderedPartitioner.instance);

        requireNetwork();
        DatabaseDescriptor.setBatchSizeWarnThresholdInKB(1);
    }

    @Test
    public void testUnloggedBatchWithProtoV4() throws Exception {
        createTable("CREATE TABLE %s (pk int PRIMARY KEY, v text)");

        try (SimpleClient client = new SimpleClient(nativeAddr.getHostAddress(), nativePort, Server.VERSION_4)) {
            client.connect(false);

            QueryMessage query = new QueryMessage(createBatchStatement2(1), QueryOptions.DEFAULT);
            Message.Response resp = client.execute(query);
            assertNull(resp.getWarnings());

            query = new QueryMessage(createBatchStatement2(DatabaseDescriptor.getBatchSizeWarnThreshold()),
                    QueryOptions.DEFAULT);
            resp = client.execute(query);
            assertEquals(1, resp.getWarnings().size());
        }
    }

    @Test
    public void testLargeBatchWithProtoV4() throws Exception {
        createTable("CREATE TABLE %s (pk int PRIMARY KEY, v text)");

        try (SimpleClient client = new SimpleClient(nativeAddr.getHostAddress(), nativePort, Server.VERSION_4)) {
            client.connect(false);

            QueryMessage query = new QueryMessage(
                    createBatchStatement(DatabaseDescriptor.getBatchSizeWarnThreshold()), QueryOptions.DEFAULT);
            Message.Response resp = client.execute(query);
            assertEquals(1, resp.getWarnings().size());
        }
    }

    @Test
    public void testTombstoneWarning() throws Exception {
        final int iterations = 10000;
        createTable("CREATE TABLE %s (pk int, ck int, v int, PRIMARY KEY (pk, ck))");

        try (SimpleClient client = new SimpleClient(nativeAddr.getHostAddress(), nativePort, Server.VERSION_4)) {
            client.connect(false);

            for (int i = 0; i < iterations; i++) {
                QueryMessage query = new QueryMessage(String
                        .format("INSERT INTO %s.%s (pk, ck, v) VALUES (1, %s, 1)", KEYSPACE, currentTable(), i),
                        QueryOptions.DEFAULT);
                client.execute(query);
            }
            ColumnFamilyStore store = Keyspace.open(KEYSPACE).getColumnFamilyStore(currentTable());
            store.forceBlockingFlush();

            for (int i = 0; i < iterations; i++) {
                QueryMessage query = new QueryMessage(
                        String.format("DELETE v FROM %s.%s WHERE pk = 1 AND ck = %s", KEYSPACE, currentTable(), i),
                        QueryOptions.DEFAULT);
                client.execute(query);
            }
            store.forceBlockingFlush();

            {
                QueryMessage query = new QueryMessage(
                        String.format("SELECT * FROM %s.%s WHERE pk = 1", KEYSPACE, currentTable()),
                        QueryOptions.DEFAULT);
                Message.Response resp = client.execute(query);
                assertEquals(1, resp.getWarnings().size());
            }
        }
    }

    @Test
    public void testLargeBatchWithProtoV2() throws Exception {
        createTable("CREATE TABLE %s (pk int PRIMARY KEY, v text)");

        try (SimpleClient client = new SimpleClient(nativeAddr.getHostAddress(), nativePort, Server.VERSION_2)) {
            client.connect(false);

            QueryMessage query = new QueryMessage(
                    createBatchStatement(DatabaseDescriptor.getBatchSizeWarnThreshold()), QueryOptions.DEFAULT);
            Message.Response resp = client.execute(query);
            assertNull(resp.getWarnings());
        }
    }

    private String createBatchStatement(int minSize) {
        return String.format("BEGIN UNLOGGED BATCH INSERT INTO %s.%s (pk, v) VALUES (1, '%s') APPLY BATCH;",
                KEYSPACE, currentTable(), StringUtils.repeat('1', minSize));
    }

    private String createBatchStatement2(int minSize) {
        return String.format(
                "BEGIN UNLOGGED BATCH INSERT INTO %s.%s (pk, v) VALUES (1, '%s'); INSERT INTO %s.%s (pk, v) VALUES (2, '%s'); APPLY BATCH;",
                KEYSPACE, currentTable(), StringUtils.repeat('1', minSize), KEYSPACE, currentTable(),
                StringUtils.repeat('1', minSize));
    }

}