wombatu-kun commented on code in PR #19295: URL: https://github.com/apache/hudi/pull/19295#discussion_r3683136525
########## hudi-trino/src/test/java/io/trino/plugin/hudi/testing/EventTimeDeletesHudiTablesInitializer.java: ########## @@ -0,0 +1,156 @@ +/* + * Licensed 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 io.trino.plugin.hudi.testing; + +import com.google.common.collect.ImmutableList; +import io.trino.metastore.Column; +import org.apache.avro.JsonProperties; +import org.apache.avro.Schema; +import org.apache.avro.generic.GenericData; +import org.apache.avro.generic.GenericRecord; +import org.apache.hudi.client.HoodieJavaWriteClient; +import org.apache.hudi.client.WriteStatus; +import org.apache.hudi.common.config.RecordMergeMode; +import org.apache.hudi.common.model.HoodieAvroPayload; +import org.apache.hudi.common.model.HoodieRecord; +import org.apache.hudi.common.table.HoodieTableMetaClient; +import org.apache.hudi.config.HoodieWriteConfig; + +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Optional; + +import static io.trino.metastore.HiveType.HIVE_BOOLEAN; +import static io.trino.metastore.HiveType.HIVE_LONG; +import static io.trino.metastore.HiveType.HIVE_STRING; +import static org.apache.hudi.common.model.HoodieRecord.HOODIE_IS_DELETED_FIELD; + +/** + * Creates a non-partitioned Merge-On-Read table in {@link RecordMergeMode#EVENT_TIME_ORDERING} that + * exercises the read-side merge-mode dispatch with deletes (issue apache/hudi#18898). ONLY a record merge + * mode is set (no payload class), so table creation persists the mode as-is, which is exactly the dispatch + * input {@code HudiTrinoReaderContext.getRecordMerger} switches on. + * <p> + * A base commit is followed by a log commit carrying an update, a soft delete + * ({@code _hoodie_is_deleted=true}), an OBSOLETE soft delete and an OBSOLETE update (both with an ordering + * value LOWER than the base row's, so event-time merging must keep the base row), and then a hard-delete + * commit ({@code writeClient.delete}) that produces a native delete log file read back through the + * connector's {@code getFileRecordIterator}. + * <p> + * Records are wrapped in {@link HoodieAvroPayload}, which implements {@code HoodieRecordPayload} directly + * (NOT {@code BaseAvroPayload}), so rows with {@code _hoodie_is_deleted=true} are written as DATA records + * and delete semantics are evaluated at READ time. See {@code TestHudiMorMergeModeSemantics}. + */ +public class EventTimeDeletesHudiTablesInitializer + extends AbstractMergerHudiTablesInitializer +{ + public static final String TABLE_NAME = "deletes_mor"; Review Comment: The Summary and Changelog still names the tables `mor_deletes` and `mor_commit_time` and says the `TODO(apache/hudi#18898)` is dropped, while head has `deletes_mor`/`commit_time_mor` and restores the TODO as #19413. Can the description be refreshed before merge (not a blocker), along with the ordering-arm justification the `getRecordMerger` comment has since corrected? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
