voonhous commented on code in PR #4164: URL: https://github.com/apache/flink-cdc/pull/4164#discussion_r2488579815
########## flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-hudi/src/main/java/org/apache/flink/cdc/connectors/hudi/sink/function/EventStreamWriteFunction.java: ########## @@ -0,0 +1,709 @@ +/* + * 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.flink.cdc.connectors.hudi.sink.function; + +import org.apache.flink.cdc.common.event.DataChangeEvent; +import org.apache.flink.cdc.common.event.Event; +import org.apache.flink.cdc.common.event.FlushEvent; +import org.apache.flink.cdc.common.event.SchemaChangeEvent; +import org.apache.flink.cdc.common.event.TableId; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.metrics.MetricGroup; +import org.apache.flink.streaming.api.functions.ProcessFunction; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.data.binary.BinaryRowData; +import org.apache.flink.table.runtime.util.MemorySegmentPool; +import org.apache.flink.table.types.logical.RowType; +import org.apache.flink.types.RowKind; +import org.apache.flink.util.Collector; + +import org.apache.avro.Schema; +import org.apache.hudi.client.WriteStatus; +import org.apache.hudi.client.model.HoodieFlinkInternalRow; +import org.apache.hudi.common.engine.HoodieReaderContext; +import org.apache.hudi.common.model.HoodieOperation; +import org.apache.hudi.common.model.HoodieRecord; +import org.apache.hudi.common.model.WriteOperationType; +import org.apache.hudi.common.table.read.BufferedRecordMerger; +import org.apache.hudi.common.table.read.BufferedRecordMergerFactory; +import org.apache.hudi.common.table.timeline.HoodieActiveTimeline; +import org.apache.hudi.common.util.ValidationUtils; +import org.apache.hudi.common.util.VisibleForTesting; +import org.apache.hudi.common.util.collection.MappingIterator; +import org.apache.hudi.configuration.FlinkOptions; +import org.apache.hudi.exception.HoodieException; +import org.apache.hudi.metrics.FlinkStreamWriteMetrics; +import org.apache.hudi.sink.buffer.MemorySegmentPoolFactory; +import org.apache.hudi.sink.buffer.RowDataBucket; +import org.apache.hudi.sink.buffer.TotalSizeTracer; +import org.apache.hudi.sink.bulk.RowDataKeyGen; +import org.apache.hudi.sink.common.AbstractStreamWriteFunction; +import org.apache.hudi.sink.event.WriteMetadataEvent; +import org.apache.hudi.sink.exception.MemoryPagesExhaustedException; +import org.apache.hudi.sink.transform.RecordConverter; +import org.apache.hudi.sink.utils.BufferUtils; +import org.apache.hudi.table.action.commit.BucketInfo; +import org.apache.hudi.table.action.commit.BucketType; +import org.apache.hudi.table.action.commit.FlinkWriteHelper; +import org.apache.hudi.util.FlinkWriteClients; +import org.apache.hudi.util.MutableIteratorWrapperIterator; +import org.apache.hudi.util.StreamerUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.io.Serializable; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Comparator; +import java.util.HashMap; +import java.util.Iterator; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import java.util.NoSuchElementException; + +/** Base infrastructures for streaming writer function to handle Events. */ +public abstract class EventStreamWriteFunction extends AbstractStreamWriteFunction<Event> + implements EventProcessorFunction { Review Comment: > Seems no need to implement `EventProcessorFunction`, actually `processSchemaChange` and `processFlush` of `EventStreamWriteFunction` will never be called. ``` Caused by: java.lang.RuntimeException: Failed to process schema event for table: hudi_inventory_bptbsn.products at org.apache.flink.cdc.connectors.hudi.sink.function.MultiTableEventStreamWriteFunction.processSchemaChange(MultiTableEventStreamWriteFunction.java:296) at org.apache.flink.cdc.connectors.hudi.sink.function.MultiTableEventStreamWriteFunction.processElement(MultiTableEventStreamWriteFunction.java:167) at org.apache.flink.cdc.connectors.hudi.sink.function.MultiTableEventStreamWriteFunction.processElement(MultiTableEventStreamWriteFunction.java:72) at org.apache.flink.streaming.api.operators.ProcessOperator.processElement(ProcessOperator.java:66) at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:75) at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:50) at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:29) at org.apache.flink.streaming.api.operators.StreamMap.processElement(StreamMap.java:38) at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:75) at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:50) at org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:29) at org.apache.flink.cdc.connectors.hudi.sink.bucket.FlushEventAlignmentOperator.processElement(FlushEventAlignmentOperator.java:94) at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask$StreamTaskNetworkOutput.emitRecord(OneInputStreamTask.java:238) at org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.processElement(AbstractStreamTaskNetworkInput.java:157) at org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput.emitNext(AbstractStreamTaskNetworkInput.java:114) at org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:65) at org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:638) at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:231) at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:973) at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:917) at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:970) at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:949) at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:763) at org.apache.flink.runtime.taskmanager.Task.run(Task.java:575) at java.base/java.lang.Thread.run(Unknown Source) Caused by: java.lang.UnsupportedOperationException: #processSchemaChange should not be called at org.apache.flink.cdc.connectors.hudi.sink.function.EventBucketStreamWriteFunction.processSchemaChange(EventBucketStreamWriteFunction.java:158) at org.apache.flink.cdc.connectors.hudi.sink.function.MultiTableEventStreamWriteFunction.processSchemaChange(MultiTableEventStreamWriteFunction.java:293) ... 24 more ``` It is being invoked. -- This is an automated message from the Apache Git Service. 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