nastra commented on code in PR #9852: URL: https://github.com/apache/iceberg/pull/9852#discussion_r1758467635
########## hive-metastore/src/test/java/org/apache/iceberg/hive/TestHiveViewCommits.java: ########## @@ -0,0 +1,442 @@ +/* + * 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.iceberg.hive; + +import static org.apache.iceberg.types.Types.NestedField.required; +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; +import static org.mockito.Mockito.any; +import static org.mockito.Mockito.anyBoolean; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.doReturn; +import static org.mockito.Mockito.doThrow; +import static org.mockito.Mockito.spy; +import static org.mockito.Mockito.when; + +import java.io.File; +import java.io.IOException; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicReference; +import org.apache.hadoop.fs.Path; +import org.apache.iceberg.CatalogProperties; +import org.apache.iceberg.CatalogUtil; +import org.apache.iceberg.Schema; +import org.apache.iceberg.catalog.Namespace; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.exceptions.CommitStateUnknownException; +import org.apache.iceberg.exceptions.ValidationException; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableMap; +import org.apache.iceberg.types.Types; +import org.apache.iceberg.view.BaseView; +import org.apache.iceberg.view.View; +import org.apache.iceberg.view.ViewMetadata; +import org.apache.thrift.TException; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.extension.RegisterExtension; + +/** Test Hive locks and Hive errors and retry during commits. */ +public class TestHiveViewCommits { + + private static final String VIEW_NAME = "test_iceberg_view"; + private static final String DB_NAME = "hivedb"; + private static final Namespace NS = Namespace.of(DB_NAME); + private static final Schema SCHEMA = + new Schema( + 5, + required(3, "id", Types.IntegerType.get(), "unique ID"), + required(4, "data", Types.StringType.get())); + private static final TableIdentifier VIEW_IDENTIFIER = TableIdentifier.of(NS, VIEW_NAME); + + @RegisterExtension + protected static final HiveMetastoreExtension HIVE_METASTORE_EXTENSION = + HiveMetastoreExtension.builder().withDatabase(DB_NAME).build(); + + private View view; + private Path viewLocation; + + private static HiveCatalog catalog; + + @BeforeAll + public static void initCatalog() { + catalog = + (HiveCatalog) + CatalogUtil.loadCatalog( + HiveCatalog.class.getName(), + CatalogUtil.ICEBERG_CATALOG_TYPE_HIVE, + ImmutableMap.of( + CatalogProperties.CLIENT_POOL_CACHE_EVICTION_INTERVAL_MS, + String.valueOf(TimeUnit.SECONDS.toMillis(10))), + HIVE_METASTORE_EXTENSION.hiveConf()); + } + + @BeforeEach + public void createTestView() { + view = + catalog + .buildView(VIEW_IDENTIFIER) + .withSchema(SCHEMA) + .withDefaultNamespace(NS) + .withQuery("hive", "select * from ns.tbl") + .create(); + viewLocation = new Path(view.location()); + } + + @AfterEach + public void dropTestView() throws IOException { + viewLocation.getFileSystem(HIVE_METASTORE_EXTENSION.hiveConf()).delete(viewLocation, true); + catalog.dropView(VIEW_IDENTIFIER); + } + + @Test + public void testSuppressUnlockExceptions() { + HiveViewOperations ops = (HiveViewOperations) ((BaseView) view).operations(); + ViewMetadata metadataV1 = ops.current(); + assertThat(ops.current().properties()).hasSize(0); + + view.updateProperties().set("k1", "v1").commit(); + ops.refresh(); + ViewMetadata metadataV2 = ops.current(); + assertThat(ops.current().properties()).hasSize(1).containsEntry("k1", "v1"); + + HiveViewOperations spyOps = spy(ops); + + AtomicReference<HiveLock> lockRef = new AtomicReference<>(); + + when(spyOps.lockObject()) + .thenAnswer( + i -> { + HiveLock lock = (HiveLock) i.callRealMethod(); + lockRef.set(lock); + return lock; + }); + + try { + spyOps.commit(metadataV2, metadataV1); + HiveLock spyLock = spy(lockRef.get()); + doThrow(new RuntimeException()).when(spyLock).unlock(); + } finally { + lockRef.get().unlock(); + } + + ops.refresh(); + + // the commit must succeed + assertThat(ops.current().properties()).hasSize(0); + } + + /** + * Pretends we throw an error while persisting, and not found with check state, commit state + * should be treated as unknown, because in reality the persisting may still succeed, just not yet + * by the time of checking. + */ + @Test + public void testThriftExceptionUnknownStateIfNotInHistoryFailureOnCommit() + throws TException, InterruptedException { + HiveViewOperations ops = (HiveViewOperations) ((BaseView) view).operations(); + assertThat(ops.current().properties()).hasSize(0); + + view.updateProperties().set("k1", "v1").commit(); + ops.refresh(); + ViewMetadata metadataV2 = ops.current(); + assertThat(ops.current().properties()).hasSize(1).containsEntry("k1", "v1"); + + HiveViewOperations spyOps = spy(ops); + + failCommitAndThrowException(spyOps); + + ops.refresh(); + + assertThat(ops.current()).as("Current metadata should not have changed").isEqualTo(metadataV2); + assertThat(metadataFileExists(metadataV2)).as("Current metadata should still exist").isTrue(); + assertThat(metadataFileCount(ops.current())) + .as( + "New metadata files should still exist, new location not in history but" + + " the commit may still succeed") + .isEqualTo(2); + } + + /** Pretends we throw an error while persisting that actually does commit serverside. */ + @Test + public void testThriftExceptionSuccessOnCommit() throws TException, InterruptedException { Review Comment: please update this one to ``` @Test public void testThriftExceptionSuccessOnCommit() throws TException, InterruptedException { HiveViewOperations ops = (HiveViewOperations) ((BaseView) view).operations(); ViewMetadata metadataV1 = ops.current(); assertThat(metadataV1.properties()).hasSize(0); view.updateProperties().set("k1", "v1").commit(); ops.refresh(); ViewMetadata metadataV2 = ops.current(); assertThat(metadataV2.properties()).hasSize(1).containsEntry("k1", "v1"); HiveViewOperations spyOps = spy(ops); // Simulate a communication error after a successful commit commitAndThrowException(ops, spyOps); // Shouldn't throw because the commit succeeds even though an exception is thrown spyOps.commit(metadataV2, metadataV1); assertThat(ops.current()).as("Current metadata should have not changed").isEqualTo(metadataV2); assertThat(metadataFileExists(ops.current())) .as("Current metadata file should still exist") .isTrue(); } ``` -- This is an automated message from the Apache Git Service. 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