/*
* 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.ignite.internal.processors.cache;
import java.util.List;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.IgniteDataStreamer;
import org.apache.ignite.cache.CacheWriteSynchronizationMode;
import org.apache.ignite.cache.query.QueryCursor;
import org.apache.ignite.cache.query.SqlFieldsQuery;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
import static org.apache.ignite.cache.CacheMode.PARTITIONED;
/**
*/
public class IgniteCacheLargeResultSelfTest extends GridCommonAbstractTest {
/** */
private static TcpDiscoveryIpFinder ipFinder = new TcpDiscoveryVmIpFinder(true);
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
TcpDiscoverySpi disco = new TcpDiscoverySpi();
disco.setIpFinder(ipFinder);
cfg.setDiscoverySpi(disco);
CacheConfiguration<?,?> cacheCfg = defaultCacheConfiguration();
cacheCfg.setCacheMode(PARTITIONED);
cacheCfg.setAtomicityMode(TRANSACTIONAL);
cacheCfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
cacheCfg.setBackups(1);
cacheCfg.setIndexedTypes(
Integer.class, Integer.class
);
cfg.setCacheConfiguration(cacheCfg);
return cfg;
}
/** {@inheritDoc} */
@Override protected void beforeTestsStarted() throws Exception {
startGridsMultiThreaded(3);
}
/** {@inheritDoc} */
@Override protected void afterTestsStopped() throws Exception {
stopAllGrids();
}
/**
*/
public void testLargeResult() {
// Fill cache.
try (IgniteDataStreamer<Integer, Integer> streamer = ignite(0).dataStreamer(DEFAULT_CACHE_NAME)) {
streamer.perNodeBufferSize(20000);
for (int i = 0; i < 50_000; i++) // default max merge table size is 10000
streamer.addData(i, i);
streamer.flush();
}
IgniteCache<Integer, Integer> cache = ignite(0).cache(DEFAULT_CACHE_NAME);
try(QueryCursor<List<?>> res = cache.query(
new SqlFieldsQuery("select _val from Integer where _key between ? and ?")
.setArgs(10_000, 40_000))){
int cnt = 0;
for (List<?> row : res) {
cnt++;
int val = (Integer)row.get(0);
assertTrue(val >= 10_000 && val <= 40_000);
}
assertEquals(30_001, cnt); // Streaming of a large result works well.
}
// Currently we have no ways to do multiple passes through a merge table.
}
}