ivandasch commented on a change in pull request #9412: URL: https://github.com/apache/ignite/pull/9412#discussion_r710970224
########## File path: modules/calcite/src/test/java/org/apache/ignite/internal/processors/query/calcite/integration/KillCommandDdlIntegrationTest.java ########## @@ -0,0 +1,286 @@ +/* + * 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.query.calcite.integration; + +import java.util.Collection; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.UUID; +import java.util.concurrent.ConcurrentMap; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.stream.Collectors; +import javax.cache.Cache; +import javax.cache.event.CacheEntryEvent; +import org.apache.ignite.Ignite; +import org.apache.ignite.IgniteCache; +import org.apache.ignite.IgniteCheckedException; +import org.apache.ignite.IgniteException; +import org.apache.ignite.cache.CacheAtomicityMode; +import org.apache.ignite.cache.query.ContinuousQuery; +import org.apache.ignite.cache.query.QueryCursor; +import org.apache.ignite.cache.query.ScanQuery; +import org.apache.ignite.configuration.CacheConfiguration; +import org.apache.ignite.internal.processors.cache.query.GridCacheQueryManager; +import org.apache.ignite.internal.util.typedef.G; +import org.apache.ignite.lang.IgniteFuture; +import org.apache.ignite.lang.IgniteUuid; +import org.apache.ignite.services.Service; +import org.apache.ignite.services.ServiceConfiguration; +import org.apache.ignite.services.ServiceContext; +import org.apache.ignite.transactions.Transaction; +import org.junit.Test; + +import static org.apache.ignite.testframework.GridTestUtils.assertThrowsWithCause; +import static org.apache.ignite.testframework.GridTestUtils.getFieldValue; +import static org.apache.ignite.testframework.GridTestUtils.waitForCondition; + +/** + * Tests for KILL queries. + */ +public class KillCommandDdlIntegrationTest extends AbstractDdlIntegrationTest { + /** Page size. */ + public static final int PAGE_SZ = 5; + + /** Number of pages to insert. */ + public static final int PAGES_CNT = 1000; + + /** Operations timeout. */ + public static final int TIMEOUT = 10_000; + + + /** {@inheritDoc} */ + @Override protected void beforeTestsStarted() throws Exception { + super.beforeTestsStarted(); + + IgniteCache<Object, Object> cache = client.getOrCreateCache( + new CacheConfiguration<>(DEFAULT_CACHE_NAME).setIndexedTypes(Integer.class, Integer.class) + .setAtomicityMode(CacheAtomicityMode.TRANSACTIONAL)); + + // There must be enough cache entries to keep scan query cursor opened. + // Cursor may be concurrently closed when all the data retrieved. + for (int i = 0; i < PAGES_CNT * PAGE_SZ; i++) + cache.put(i, i); + } + + /** */ + @Override public void cleanUp() { + // No-op. + } + + /** */ + @Test + public void testCancelScanQuery() { + IgniteCache<Object, Object> cache = client.cache(DEFAULT_CACHE_NAME); + + QueryCursor<Cache.Entry<Object, Object>> scanQry = cache.query(new ScanQuery<>().setPageSize(PAGE_SZ)); + Iterator<Cache.Entry<Object, Object>> scanQryIter = scanQry.iterator(); + + // Fetch first entry and therefore caching first page. + assertNotNull(scanQryIter.next()); + + ConcurrentMap<UUID, GridCacheQueryManager<Object, Object>.RequestFutureMap> qryIters = + grid(0).context().cache().cache(DEFAULT_CACHE_NAME).context().queries().queryIterators(); + + assertEquals(qryIters.values().size(), 1); + + long qryId = qryIters.values().iterator().next().keySet().iterator().next(); + UUID originNodeId = client.cluster().localNode().id(); + + executeSql(client, "KILL SCAN '" + originNodeId + "' '" + DEFAULT_CACHE_NAME + "' " + qryId); + + // Fetch all cached entries. + for (int i = 0; i < PAGE_SZ * servers().size() - 1; i++) + assertNotNull(scanQryIter.next()); + + // Fetch of the next page should throw the exception. + assertThrowsWithCause(scanQryIter::next, IgniteCheckedException.class); + } + + /** */ + @Test + public void testCancelComputeTask() { + CountDownLatch computeLatch = new CountDownLatch(1); + + IgniteFuture<Collection<Integer>> fut = client.compute().broadcastAsync(() -> { + computeLatch.await(); + + return 1; + }); + + try { + IgniteUuid taskId = client.compute().activeTaskFutures().keySet().iterator().next(); + + executeSql(client, "KILL COMPUTE '" + taskId + "'"); + + assertThrowsWithCause(() -> fut.get(TIMEOUT), IgniteException.class); + } finally { Review comment: Ops, sorry. 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