nalawadechinmay commented on code in PR #14797: URL: https://github.com/apache/iceberg/pull/14797#discussion_r2674940423
########## kafka-connect/kafka-connect/src/main/java/org/apache/iceberg/connect/data/BaseDeltaWriter.java: ########## @@ -0,0 +1,124 @@ +/* + * 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.connect.data; + +import java.io.IOException; +import java.util.Set; +import org.apache.iceberg.FileFormat; +import org.apache.iceberg.PartitionKey; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.StructLike; +import org.apache.iceberg.data.InternalRecordWrapper; +import org.apache.iceberg.data.Record; +import org.apache.iceberg.deletes.DeleteGranularity; +import org.apache.iceberg.io.BaseTaskWriter; +import org.apache.iceberg.io.FileIO; +import org.apache.iceberg.io.FileWriterFactory; +import org.apache.iceberg.io.OutputFileFactory; +import org.apache.iceberg.relocated.com.google.common.collect.Sets; +import org.apache.iceberg.types.TypeUtil; + +abstract class BaseDeltaWriter extends BaseTaskWriter<Record> { + + private final Schema schema; + private final Schema deleteSchema; + private final InternalRecordWrapper wrapper; + private final InternalRecordWrapper keyWrapper; + private final RecordProjection keyProjection; + private final boolean upsert; + private final String cdcField; + + BaseDeltaWriter( + PartitionSpec spec, + FileFormat format, + FileWriterFactory<Record> writerFactory, + OutputFileFactory fileFactory, + FileIO io, + long targetFileSize, + Schema schema, + Set<Integer> identifierFieldIds, + boolean upsert, + boolean useDv, + String cdcField) { + super(spec, format, writerFactory, fileFactory, io, targetFileSize, useDv); + + this.schema = schema; + this.cdcField = cdcField; + this.deleteSchema = TypeUtil.select(schema, Sets.newHashSet(identifierFieldIds)); + this.wrapper = new InternalRecordWrapper(schema.asStruct()); + this.keyWrapper = new InternalRecordWrapper(deleteSchema.asStruct()); + this.keyProjection = RecordProjection.create(schema, deleteSchema); + this.upsert = upsert; + } + + abstract RowDataDeltaWriter route(Record row); + + @Override + public void write(Record row) throws IOException { + + Operation op = Operation.fromString(row.getField(cdcField).toString()); + RowDataDeltaWriter writer = route(row); + + switch (op) { + case INSERT: Review Comment: @t3hw To make it compatible DebeziumTransform or DmsTransform In class file kafka-connect/kafka-connect/src/main/java/org/apache/iceberg/connect/data/Operation.java ` public static Operation fromString(String shortString) { switch (shortString.toUpperCase(Locale.ROOT)) { case "C": case "I": case "R": return INSERT; case "U": return UPDATE; case "D": return DELETE; default: throw new UnsupportedOperationException( "Unsupported short string '" + shortString + "' for row kind."); } } ` -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
