pvary commented on code in PR #13304: URL: https://github.com/apache/iceberg/pull/13304#discussion_r2150314750
########## flink/v2.0/flink/src/test/java/org/apache/iceberg/flink/sink/dynamic/TestDynamicIcebergSink.java: ########## @@ -0,0 +1,832 @@ +/* + * 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.flink.sink.dynamic; + +import static org.apache.iceberg.flink.TestFixtures.DATABASE; +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.fail; + +import java.io.IOException; +import java.io.Serializable; +import java.time.Duration; +import java.util.Collection; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; +import javax.annotation.Nullable; +import org.apache.flink.api.common.typeinfo.TypeHint; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.connector.sink2.Committer; +import org.apache.flink.api.connector.sink2.CommitterInitContext; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.configuration.RestartStrategyOptions; +import org.apache.flink.runtime.client.JobExecutionException; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.data.util.DataFormatConverters; +import org.apache.flink.table.legacy.api.TableSchema; +import org.apache.flink.table.types.logical.RowType; +import org.apache.flink.types.Row; +import org.apache.flink.util.Collector; +import org.apache.flink.util.ExceptionUtils; +import org.apache.iceberg.DataFile; +import org.apache.iceberg.DataFiles; +import org.apache.iceberg.DistributionMode; +import org.apache.iceberg.FileFormat; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.SnapshotUpdate; +import org.apache.iceberg.Table; +import org.apache.iceberg.catalog.Catalog; +import org.apache.iceberg.catalog.TableIdentifier; +import org.apache.iceberg.data.IcebergGenerics; +import org.apache.iceberg.data.RandomGenericData; +import org.apache.iceberg.data.Record; +import org.apache.iceberg.flink.CatalogLoader; +import org.apache.iceberg.flink.FlinkSchemaUtil; +import org.apache.iceberg.flink.FlinkWriteConf; +import org.apache.iceberg.flink.MiniFlinkClusterExtension; +import org.apache.iceberg.flink.SimpleDataUtil; +import org.apache.iceberg.flink.TestHelpers; +import org.apache.iceberg.flink.sink.CommitSummary; +import org.apache.iceberg.flink.sink.TestFlinkIcebergSinkBase; +import org.apache.iceberg.inmemory.InMemoryInputFile; +import org.apache.iceberg.io.CloseableIterable; +import org.apache.iceberg.relocated.com.google.common.collect.ImmutableList; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.relocated.com.google.common.collect.Sets; +import org.apache.iceberg.types.Types; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +class TestDynamicIcebergSink extends TestFlinkIcebergSinkBase { + + private static long seed; + + @BeforeEach + void before() { + env = + StreamExecutionEnvironment.getExecutionEnvironment( + MiniFlinkClusterExtension.DISABLE_CLASSLOADER_CHECK_CONFIG) + .enableCheckpointing(100) + .setParallelism(2); + seed = 0; + } + + private static class DynamicIcebergDataImpl implements Serializable { + Row rowProvided; + Row rowExpected; + Schema schemaProvided; + Schema schemaExpected; + String tableName; + String branch; + PartitionSpec partitionSpec; + boolean upsertMode; + Set<String> equalityFields; + + private DynamicIcebergDataImpl( + Schema schemaProvided, String tableName, String branch, PartitionSpec partitionSpec) { + this( + schemaProvided, + schemaProvided, + tableName, + branch, + partitionSpec, + false, + Collections.emptySet(), + false); + } + + private DynamicIcebergDataImpl( + Schema schemaProvided, + Schema schemaExpected, + String tableName, + String branch, + PartitionSpec partitionSpec) { + this( + schemaProvided, + schemaExpected, + tableName, + branch, + partitionSpec, + false, + Collections.emptySet(), + false); + } + + private DynamicIcebergDataImpl( + Schema schemaProvided, + String tableName, + String branch, + PartitionSpec partitionSpec, + boolean upsertMode, + Set<String> equalityFields, + boolean isDuplicate) { + this( + schemaProvided, + schemaProvided, + tableName, + branch, + partitionSpec, + upsertMode, + equalityFields, + isDuplicate); + } + + private DynamicIcebergDataImpl( + Schema schemaProvided, + Schema schemaExpected, + String tableName, + String branch, + PartitionSpec partitionSpec, + boolean upsertMode, + Set<String> equalityFields, + boolean isDuplicate) { + this.rowProvided = randomRow(schemaProvided, isDuplicate ? seed : ++seed); + this.rowExpected = isDuplicate ? null : rowProvided; + this.schemaProvided = schemaProvided; + this.schemaExpected = schemaExpected; + this.tableName = tableName; + this.branch = branch; + this.partitionSpec = partitionSpec; + this.upsertMode = upsertMode; + this.equalityFields = equalityFields; + } + } + + private static class Generator implements DynamicRecordGenerator<DynamicIcebergDataImpl> { + + @Override + public void convert(DynamicIcebergDataImpl row, Collector<DynamicRecord> out) { + TableIdentifier tableIdentifier = TableIdentifier.of(DATABASE, row.tableName); + String branch = row.branch; + Schema schema = row.schemaProvided; + PartitionSpec spec = row.partitionSpec; + DynamicRecord dynamicRecord = + new DynamicRecord( + tableIdentifier, + branch, + schema, + converter(schema).toInternal(row.rowProvided), + spec, + spec.isPartitioned() ? DistributionMode.HASH : DistributionMode.NONE, + 10); + dynamicRecord.setUpsertMode(row.upsertMode); + dynamicRecord.setEqualityFields(row.equalityFields); + out.collect(dynamicRecord); + } + } + + private static DataFormatConverters.RowConverter converter(Schema schema) { + RowType rowType = FlinkSchemaUtil.convert(schema); + TableSchema tableSchema = FlinkSchemaUtil.toSchema(rowType); + return new DataFormatConverters.RowConverter(tableSchema.getFieldDataTypes()); + } + + @Test + void testWrite() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned())); + + runTest(rows); + } + + @Test + void testWritePartitioned() throws Exception { + PartitionSpec spec = PartitionSpec.builderFor(SimpleDataUtil.SCHEMA).bucket("id", 10).build(); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec)); + + runTest(rows); + } + + @Test + void testWritePartitionedAdjustSchemaIdsInSpec() throws Exception { + Schema schema = + new Schema( + // Use zero-based schema field ids + Types.NestedField.required(0, "id", Types.IntegerType.get()), + Types.NestedField.required(1, "data", Types.StringType.get())); + PartitionSpec spec = PartitionSpec.builderFor(schema).bucket("id", 10).build(); + Schema schema2 = + new Schema( + // Use zero-based schema field ids + Types.NestedField.required(0, "id", Types.IntegerType.get()), + Types.NestedField.required(1, "data", Types.StringType.get()), + Types.NestedField.optional(2, "extra", Types.StringType.get())); + PartitionSpec spec2 = PartitionSpec.builderFor(schema2).bucket("extra", 23).build(); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl(schema, "t1", "main", spec), + new DynamicIcebergDataImpl(schema, "t1", "main", spec), + new DynamicIcebergDataImpl(schema, "t1", "main", spec), + new DynamicIcebergDataImpl(schema2, "t1", "main", spec2), + new DynamicIcebergDataImpl(schema2, "t1", "main", spec2)); + + runTest(rows); + } + + @Test + void testSchemaEvolutionFieldOrderChanges() throws Exception { + Schema schema = + new Schema( + Types.NestedField.required(0, "id", Types.IntegerType.get()), + Types.NestedField.required(1, "data", Types.StringType.get())); + Schema expectedSchema = + new Schema( + Types.NestedField.required(1, "id", Types.IntegerType.get()), + Types.NestedField.required(2, "data", Types.StringType.get())); + + Schema schema2 = + new Schema( + Types.NestedField.required(0, "id", Types.IntegerType.get()), + Types.NestedField.required(1, "extra", Types.StringType.get()), + Types.NestedField.required(2, "data", Types.StringType.get())); + Schema expectedSchema2 = + new Schema( + Types.NestedField.required(1, "id", Types.IntegerType.get()), + Types.NestedField.optional(3, "extra", Types.StringType.get()), + Types.NestedField.required(2, "data", Types.StringType.get())); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + schema, expectedSchema, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + schema, expectedSchema, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + schema, expectedSchema, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + schema2, expectedSchema2, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + schema2, expectedSchema2, "t1", "main", PartitionSpec.unpartitioned())); + + for (DynamicIcebergDataImpl row : rows) { + if (row.schemaExpected == expectedSchema) { + // We manually adjust the expected Row to match the second expected schema + row.rowExpected = Row.of(row.rowProvided.getField(0), null, row.rowProvided.getField(1)); + } + } + + runTest(rows); + } + + @Test + void testMultipleTables() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t2", "main", PartitionSpec.unpartitioned())); + + runTest(rows); + } + + @Test + void testMultipleTablesPartitioned() throws Exception { + PartitionSpec spec = PartitionSpec.builderFor(SimpleDataUtil.SCHEMA).bucket("id", 10).build(); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t2", "main", spec)); + + runTest(rows); + } + + @Test + void testSchemaEvolutionAddField() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA2, "t1", "main", PartitionSpec.unpartitioned())); + + runTest(rows, this.env, 1); + } + + @Test + void testRowEvolutionNullMissingOptionalField() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA2, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned())); + + runTest(rows, this.env, 1); + } + + @Test + void testSchemaEvolutionNonBackwardsCompatible() throws Exception { + Schema backwardsIncompatibleSchema = + new Schema( + Types.NestedField.required(1, "id", Types.IntegerType.get()), + Types.NestedField.required(2, "data", Types.StringType.get())); + // Required column is missing in this schema + Schema erroringSchema = + new Schema(Types.NestedField.required(1, "id", Types.IntegerType.get())); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + backwardsIncompatibleSchema, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + erroringSchema, "t1", "main", PartitionSpec.unpartitioned())); + + try { + runTest(rows, StreamExecutionEnvironment.getExecutionEnvironment(), 1); + fail(); + } catch (JobExecutionException e) { + assertThat( + ExceptionUtils.findThrowable( + e, + t -> + t.getMessage() + .contains( + "Field 2 in target schema ROW<`id` INT NOT NULL, `data` STRING NOT NULL> is non-nullable but does not exist in source schema."))) + .isNotEmpty(); + } + } + + @Test + void testPartitionSpecEvolution() throws Exception { + PartitionSpec spec1 = PartitionSpec.builderFor(SimpleDataUtil.SCHEMA).bucket("id", 10).build(); + PartitionSpec spec2 = + PartitionSpec.builderFor(SimpleDataUtil.SCHEMA).bucket("id", 5).identity("data").build(); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec1), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec2), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec1), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec2), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec1), + new DynamicIcebergDataImpl(SimpleDataUtil.SCHEMA, "t1", "main", spec2)); + + runTest(rows); + } + + @Test + void testMultipleBranches() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "branch1", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned())); + + runTest(rows); + } + + @Test + void testWriteMultipleTablesWithSchemaChanges() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t2", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA2, "t2", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t2", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA2, "t2", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned())); + + runTest(rows); + } + + @Test + void testUpsert() throws Exception { + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + // Insert one rows + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, + "t1", + "main", + PartitionSpec.unpartitioned(), + true, + Sets.newHashSet("id"), + false), + // Remaining rows are duplicates + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, + "t1", + "main", + PartitionSpec.unpartitioned(), + true, + Sets.newHashSet("id"), + true), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, + "t1", + "main", + PartitionSpec.unpartitioned(), + true, + Sets.newHashSet("id"), + true), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, + "t1", + "main", + PartitionSpec.unpartitioned(), + true, + Sets.newHashSet("id"), + true)); + + executeDynamicSink(rows, env, true, 1, null); + + try (CloseableIterable<Record> iterable = + IcebergGenerics.read( + CATALOG_EXTENSION.catalog().loadTable(TableIdentifier.of("default", "t1"))) + .build()) { + List<Record> records = Lists.newArrayList(); + for (Record record : iterable) { + records.add(record); + } + + assertThat(records.size()).isEqualTo(1); + Record actual = records.get(0); + DynamicIcebergDataImpl input = rows.get(0); + assertThat(actual.get(0)).isEqualTo(input.rowProvided.getField(0)); + assertThat(actual.get(1)).isEqualTo(input.rowProvided.getField(1)); + // There is an additional _pos field which gets added + } + } + + @Test + void testCommitFailedBeforeOrAfterCommit() throws Exception { + // Configure a Restart strategy to allow recovery + Configuration configuration = new Configuration(); + configuration.set(RestartStrategyOptions.RESTART_STRATEGY, "fixed-delay"); + configuration.set(RestartStrategyOptions.RESTART_STRATEGY_FIXED_DELAY_ATTEMPTS, 2); + configuration.set(RestartStrategyOptions.RESTART_STRATEGY_FIXED_DELAY_DELAY, Duration.ZERO); + env.configure(configuration); + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t2", "main", PartitionSpec.unpartitioned())); + + FailBeforeAndAfterCommit.reset(); + final CommitHook commitHook = new FailBeforeAndAfterCommit(); + assertThat(FailBeforeAndAfterCommit.failedBeforeCommit).isFalse(); + assertThat(FailBeforeAndAfterCommit.failedAfterCommit).isFalse(); + + executeDynamicSink(rows, env, true, 1, commitHook); + + assertThat(FailBeforeAndAfterCommit.failedBeforeCommit).isTrue(); + assertThat(FailBeforeAndAfterCommit.failedAfterCommit).isTrue(); + } + + @Test + void testCommitConcurrency() throws Exception { + + List<DynamicIcebergDataImpl> rows = + Lists.newArrayList( + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t1", "main", PartitionSpec.unpartitioned()), + new DynamicIcebergDataImpl( + SimpleDataUtil.SCHEMA, "t2", "main", PartitionSpec.unpartitioned())); + + TableIdentifier tableIdentifier = TableIdentifier.of("default", "t1"); + Catalog catalog = CATALOG_EXTENSION.catalog(); + catalog.createTable(tableIdentifier, new Schema()); + + final CommitHook commitHook = new AppendRightBeforeCommit(tableIdentifier.toString()); + + executeDynamicSink(rows, env, true, 1, commitHook); + } + + interface CommitHook extends Serializable { + void beforeCommit(); + + void duringCommit(); + + void afterCommit(); + } + + private static class FailBeforeAndAfterCommit implements CommitHook { + + static boolean failedBeforeCommit; + static boolean failedAfterCommit; + + @Override + public void beforeCommit() { + if (!failedBeforeCommit) { + failedBeforeCommit = true; + throw new RuntimeException("Failing before commit"); + } + } + + @Override + public void duringCommit() {} + + @Override + public void afterCommit() { + if (!failedAfterCommit) { + failedAfterCommit = true; + throw new RuntimeException("Failing before commit"); + } + } + + static void reset() { + failedBeforeCommit = false; + failedAfterCommit = false; + } + } + + private static class AppendRightBeforeCommit implements CommitHook { + + final String tableIdentifier; + + private AppendRightBeforeCommit(String tableIdentifier) { + this.tableIdentifier = tableIdentifier; + } + + @Override + public void beforeCommit() {} + + @Override + public void duringCommit() { + // Create a conflict + Table table = CATALOG_EXTENSION.catalog().loadTable(TableIdentifier.parse(tableIdentifier)); + DataFile dataFile = + DataFiles.builder(PartitionSpec.unpartitioned()) + .withInputFile(new InMemoryInputFile(new byte[] {1, 2, 3})) + .withFormat(FileFormat.AVRO) + .withRecordCount(3) + .build(); + table.newAppend().appendFile(dataFile).commit(); + } + + @Override + public void afterCommit() {} + } + + private void runTest(List<DynamicIcebergDataImpl> dynamicData) throws Exception { + runTest(dynamicData, this.env, 2); + } + + private void runTest( + List<DynamicIcebergDataImpl> dynamicData, StreamExecutionEnvironment env, int parallelism) + throws Exception { + runTest(dynamicData, env, true, parallelism); + runTest(dynamicData, env, false, parallelism); + } + + private void runTest( + List<DynamicIcebergDataImpl> dynamicData, + StreamExecutionEnvironment env, + boolean immediateUpdate, + int parallelism) + throws Exception { + executeDynamicSink(dynamicData, env, immediateUpdate, parallelism, null); + verifyResults(dynamicData); + } + + private void executeDynamicSink( + List<DynamicIcebergDataImpl> dynamicData, + StreamExecutionEnvironment env, + boolean immediateUpdate, + int parallelism, + @Nullable CommitHook commitHook) + throws Exception { + DataStream<DynamicIcebergDataImpl> dataStream = + env.addSource(createBoundedSource(dynamicData), TypeInformation.of(new TypeHint<>() {})); + env.setParallelism(parallelism); + + if (commitHook != null) { + // Sink failingDynamicIcebergSink = Review Comment: nit: remove -- This is an automated message from the Apache Git Service. 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