[HUDI-1160] Support update partial fields for CoW table #1929
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| Original file line number | Diff line number | Diff line change |
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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.client; | ||
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| import org.apache.avro.Schema; | ||
| import org.apache.avro.generic.GenericRecord; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hudi.common.model.HoodieKey; | ||
| import org.apache.hudi.common.model.HoodieRecord; | ||
| import org.apache.hudi.common.model.PartialUpdatePayload; | ||
| import org.apache.hudi.common.testutils.HoodieTestDataGenerator; | ||
| import org.apache.hudi.testutils.HoodieClientTestBase; | ||
| import org.apache.spark.api.java.JavaRDD; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
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| import static org.apache.hudi.common.testutils.HoodieTestDataGenerator.AVRO_TRIP_SCHEMA; | ||
| import static org.apache.hudi.common.testutils.HoodieTestDataGenerator.TRIP_SCHEMA; | ||
| import static org.apache.hudi.common.testutils.Transformations.recordsToHoodieKeys; | ||
| import static org.apache.hudi.common.util.ParquetUtils.readAvroRecords; | ||
| import static org.apache.hudi.common.util.ParquetUtils.readAvroSchema; | ||
| import static org.apache.hudi.common.util.ParquetUtils.readRowKeysFromParquet; | ||
| import static org.apache.hudi.testutils.Assertions.assertNoWriteErrors; | ||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
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| public class TestHoodiePartialUpdate extends HoodieClientTestBase { | ||
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| @Test | ||
| public void testCopyOnWritePartialUpdate() { | ||
| final String testPartitionPath = "2016/09/26"; | ||
| HoodieWriteClient client = getHoodieWriteClient(getConfig(true, false)); | ||
| dataGen = new HoodieTestDataGenerator(new String[] {testPartitionPath}); | ||
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| String commitTime1 = "001"; | ||
| client.startCommitWithTime(commitTime1); | ||
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| List<HoodieRecord> inserts1 = | ||
| dataGen.generateInsertsStream(commitTime1, 100, false, TRIP_SCHEMA).collect(Collectors.toList()); // this writes ~500kb | ||
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| List<HoodieKey> insertKeys = recordsToHoodieKeys(inserts1); | ||
| upsertAndCheck(client, insertKeys, commitTime1, false); | ||
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| client = getHoodieWriteClient(getConfig(true, true)); | ||
| String commitTime2 = "002"; | ||
| client.startCommitWithTime(commitTime2); | ||
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| WriteStatus writeStatus = upsertAndCheck(client, insertKeys, commitTime2, true); | ||
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| Schema schema = readAvroSchema(hadoopConf, new Path(basePath, writeStatus.getStat().getPath())); | ||
| List<String> oldSchemaFieldNames = AVRO_TRIP_SCHEMA.getFields().stream().map(Schema.Field::name).collect(Collectors.toList()); | ||
| List<String> parquetFieldNames = schema.getFields().stream().map(Schema.Field::name).collect(Collectors.toList()); | ||
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| for (String name : oldSchemaFieldNames) { | ||
| assertTrue(parquetFieldNames.contains(name)); | ||
| } | ||
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| List<GenericRecord> records1 = readAvroRecords(hadoopConf, new Path(basePath, writeStatus.getStat().getPath())); | ||
| for (GenericRecord record : records1) { | ||
| assertEquals("rider-" + commitTime1, record.get("rider").toString()); | ||
| assertEquals("driver-" + commitTime1, record.get("driver").toString()); | ||
| assertEquals(String.valueOf(1.0), record.get("timestamp").toString()); | ||
| } | ||
| } | ||
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| private WriteStatus upsertAndCheck(HoodieWriteClient client, List<HoodieKey> insertKeys, String commitTime, boolean partial) { | ||
| List<HoodieRecord> records = new ArrayList<>(); | ||
| for (HoodieKey hoodieKey : insertKeys) { | ||
| PartialUpdatePayload payload; | ||
| if (partial) { | ||
| payload = dataGen.generatePartialUpdatePayloadForPartialTripSchema(hoodieKey, commitTime); | ||
| } else { | ||
| payload = dataGen.generatePartialUpdatePayloadForTripSchema(hoodieKey, commitTime); | ||
| } | ||
| HoodieRecord record = new HoodieRecord(hoodieKey, payload); | ||
| records.add(record); | ||
| } | ||
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| JavaRDD<HoodieRecord> insertRecordsRDD1 = jsc.parallelize(records, 1); | ||
| List<WriteStatus> statuses = client.upsert(insertRecordsRDD1, commitTime).collect(); | ||
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| assertNoWriteErrors(statuses); | ||
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| assertEquals(1, statuses.size(), "Just 1 file needs to be added."); | ||
| assertEquals(100, | ||
| readRowKeysFromParquet(hadoopConf, new Path(basePath, statuses.get(0).getStat().getPath())) | ||
| .size(), "file should contain 100 records"); | ||
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| return statuses.get(0); | ||
| } | ||
| } |
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Can we have this so that whether or not we can update partial fields is simply controlled by the payload impl.
I am concerned that a config like
config.updatePartialFieldsis not inline with how we treat payloads. for e.g for MOR, there is no writeConfig when we merge the fields via record reader