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Adding ability to read entire data with HoodieIncrSource with empty c…
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129
hudi-utilities/src/test/java/org/apache/hudi/utilities/sources/TestHoodieIncrSource.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. | ||
| */ | ||
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| package org.apache.hudi.utilities.sources; | ||
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| import org.apache.hudi.client.SparkRDDWriteClient; | ||
| import org.apache.hudi.client.WriteStatus; | ||
| import org.apache.hudi.common.config.TypedProperties; | ||
| import org.apache.hudi.common.model.HoodieRecord; | ||
| import org.apache.hudi.common.table.timeline.versioning.TimelineLayoutVersion; | ||
| import org.apache.hudi.common.testutils.HoodieTestDataGenerator; | ||
| import org.apache.hudi.common.util.Option; | ||
| import org.apache.hudi.common.util.collection.Pair; | ||
| import org.apache.hudi.config.HoodieWriteConfig; | ||
| import org.apache.hudi.testutils.HoodieClientTestHarness; | ||
| import org.apache.hudi.utilities.schema.SchemaProvider; | ||
| import org.apache.hudi.utilities.sources.helpers.IncrSourceHelper; | ||
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| import org.apache.avro.Schema; | ||
| import org.apache.spark.api.java.JavaRDD; | ||
| import org.apache.spark.sql.Dataset; | ||
| import org.apache.spark.sql.Row; | ||
| import org.junit.jupiter.api.AfterEach; | ||
| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.Properties; | ||
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| import static org.apache.hudi.testutils.Assertions.assertNoWriteErrors; | ||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
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| public class TestHoodieIncrSource extends HoodieClientTestHarness { | ||
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| @BeforeEach | ||
| public void setUp() throws IOException { | ||
| initResources(); | ||
| } | ||
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| @AfterEach | ||
| public void tearDown() throws IOException { | ||
| cleanupResources(); | ||
| } | ||
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| @Test | ||
| public void testHoodieIncrSource() throws IOException { | ||
| HoodieWriteConfig writeConfig = getConfigBuilder(basePath).build(); | ||
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| SparkRDDWriteClient writeClient = new SparkRDDWriteClient(context, writeConfig); | ||
| Pair<String, List<HoodieRecord>> inserts = writeRecords(writeClient, true, null); | ||
| Pair<String, List<HoodieRecord>> inserts2 = writeRecords(writeClient, true, null); | ||
| Pair<String, List<HoodieRecord>> inserts3 = writeRecords(writeClient, true, null); | ||
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| Properties properties = new Properties(); | ||
| properties.setProperty("hoodie.deltastreamer.source.hoodieincr.path", basePath); | ||
| properties.setProperty("hoodie.deltastreamer.source.hoodieincr.missing.checkpoint.strategy", IncrSourceHelper.MissingCheckpointStrategy.READ_EVERYTHING_UNTIL_LATEST.name()); | ||
| TypedProperties typedProperties = new TypedProperties(properties); | ||
| HoodieIncrSource incrSource = new HoodieIncrSource(typedProperties, jsc, sparkSession, new TestSchemaProvider(HoodieTestDataGenerator.AVRO_SCHEMA)); | ||
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| // read everything until latest | ||
| readAndAssert(IncrSourceHelper.MissingCheckpointStrategy.READ_EVERYTHING_UNTIL_LATEST, 300, inserts3.getKey()); | ||
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| // read just the latest | ||
| readAndAssert(IncrSourceHelper.MissingCheckpointStrategy.READ_LATEST, 100, inserts3.getKey()); | ||
| } | ||
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| private void readAndAssert(IncrSourceHelper.MissingCheckpointStrategy missingCheckpointStrategy, int expectedCount, String expectedCheckpoint) { | ||
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| Properties properties = new Properties(); | ||
| properties.setProperty("hoodie.deltastreamer.source.hoodieincr.path", basePath); | ||
| properties.setProperty("hoodie.deltastreamer.source.hoodieincr.missing.checkpoint.strategy", missingCheckpointStrategy.name()); | ||
| TypedProperties typedProperties = new TypedProperties(properties); | ||
| HoodieIncrSource incrSource = new HoodieIncrSource(typedProperties, jsc, sparkSession, new TestSchemaProvider(HoodieTestDataGenerator.AVRO_SCHEMA)); | ||
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| // read everything until latest | ||
| Pair<Option<Dataset<Row>>, String> batchCheckPoint = incrSource.fetchNextBatch(Option.empty(), 500); | ||
| Assertions.assertNotNull(batchCheckPoint.getValue()); | ||
| assertEquals(batchCheckPoint.getKey().get().count(), expectedCount); | ||
| Assertions.assertEquals(batchCheckPoint.getRight(), expectedCheckpoint); | ||
| } | ||
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| public Pair<String, List<HoodieRecord>> writeRecords(SparkRDDWriteClient writeClient, boolean insert, List<HoodieRecord> insertRecords) throws IOException { | ||
| String commit = writeClient.startCommit(); | ||
| List<HoodieRecord> records = insert ? dataGen.generateInserts(commit, 100) : dataGen.generateUpdates(commit, insertRecords); | ||
| JavaRDD<WriteStatus> result = writeClient.upsert(jsc.parallelize(records, 1), commit); | ||
| List<WriteStatus> statuses = result.collect(); | ||
| assertNoWriteErrors(statuses); | ||
| return Pair.of(commit, records); | ||
| } | ||
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| public HoodieWriteConfig.Builder getConfigBuilder(String basePath) { | ||
| return HoodieWriteConfig.newBuilder().withPath(basePath).withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA) | ||
| .withParallelism(2, 2).withBulkInsertParallelism(2).withFinalizeWriteParallelism(2).withDeleteParallelism(2) | ||
| .withTimelineLayoutVersion(TimelineLayoutVersion.CURR_VERSION) | ||
| .forTable("test-hoodie-incr-source"); | ||
| } | ||
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| class TestSchemaProvider extends SchemaProvider { | ||
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| private final Schema schema; | ||
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| public TestSchemaProvider(Schema schema) { | ||
| super(new TypedProperties()); | ||
| this.schema = schema; | ||
| } | ||
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| @Override | ||
| public Schema getSourceSchema() { | ||
| return schema; | ||
| } | ||
| } | ||
| } |