pvary commented on code in PR #13304: URL: https://github.com/apache/iceberg/pull/13304#discussion_r2149219990
########## flink/v2.0/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/DynamicRecordProcessor.java: ########## @@ -0,0 +1,163 @@ +/* + * 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.flink.sink.dynamic; + +import org.apache.flink.annotation.Internal; +import org.apache.flink.api.common.functions.OpenContext; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.api.java.tuple.Tuple3; +import org.apache.flink.streaming.api.functions.ProcessFunction; +import org.apache.flink.table.data.RowData; +import org.apache.flink.util.Collector; +import org.apache.flink.util.OutputTag; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.catalog.Catalog; +import org.apache.iceberg.flink.CatalogLoader; + +@Internal +class DynamicRecordProcessor<T> extends ProcessFunction<T, DynamicRecordInternal> + implements Collector<DynamicRecord> { + static final String DYNAMIC_TABLE_UPDATE_STREAM = "dynamic-table-update-stream"; + + private final DynamicRecordGenerator<T> generator; + private final CatalogLoader catalogLoader; + private final boolean immediateUpdate; + private final int cacheMaximumSize; + private final long cacheRefreshMs; + + private transient TableMetadataCache tableCache; + private transient HashKeyGenerator hashKeyGenerator; + private transient TableUpdater updater; + private transient OutputTag<DynamicRecordInternal> updateStream; + private transient Collector<DynamicRecordInternal> collector; + private transient Context context; + + DynamicRecordProcessor( + DynamicRecordGenerator<T> generator, + CatalogLoader catalogLoader, + boolean immediateUpdate, + int cacheMaximumSize, + long cacheRefreshMs) { + this.generator = generator; + this.catalogLoader = catalogLoader; + this.immediateUpdate = immediateUpdate; + this.cacheMaximumSize = cacheMaximumSize; + this.cacheRefreshMs = cacheRefreshMs; + } + + @Override + public void open(OpenContext openContext) throws Exception { + super.open(openContext); + Catalog catalog = catalogLoader.loadCatalog(); + this.tableCache = new TableMetadataCache(catalog, cacheMaximumSize, cacheRefreshMs); + this.hashKeyGenerator = + new HashKeyGenerator( + cacheMaximumSize, getRuntimeContext().getTaskInfo().getMaxNumberOfParallelSubtasks()); + if (immediateUpdate) { + updater = new TableUpdater(tableCache, catalog); + } + + updateStream = + new OutputTag<>( + DYNAMIC_TABLE_UPDATE_STREAM, + new DynamicRecordInternalType(catalogLoader, true, cacheMaximumSize)) {}; + + generator.open(openContext); + } + + @Override + public void processElement(T element, Context ctx, Collector<DynamicRecordInternal> out) + throws Exception { + this.context = ctx; + this.collector = out; + generator.convert(element, this); + } + + @Override + public void collect(DynamicRecord data) { + boolean exists = tableCache.exists(data.tableIdentifier()).f0; + String foundBranch = exists ? tableCache.branch(data.tableIdentifier(), data.branch()) : null; + + Tuple2<Schema, CompareSchemasVisitor.Result> foundSchema = + exists + ? tableCache.schema(data.tableIdentifier(), data.schema()) + : TableMetadataCache.NOT_FOUND; + + PartitionSpec foundSpec = exists ? tableCache.spec(data.tableIdentifier(), data.spec()) : null; + + if (!exists + || foundBranch == null + || foundSpec == null + || foundSchema.f1 == CompareSchemasVisitor.Result.SCHEMA_UPDATE_NEEDED) { + if (immediateUpdate) { + Tuple3<Schema, CompareSchemasVisitor.Result, PartitionSpec> newData = + updater.update(data.tableIdentifier(), data.branch(), data.schema(), data.spec()); + emit(collector, data, newData.f0, newData.f1, newData.f2); + } else { + int writerKey = + hashKeyGenerator.generateKey( + data, + foundSchema.f0 != null ? foundSchema.f0 : data.schema(), + foundSpec != null ? foundSpec : data.spec(), + data.rowData()); + context.output( + updateStream, + new DynamicRecordInternal( + data.tableIdentifier().toString(), + data.branch(), + data.schema(), + data.rowData(), + data.spec(), + writerKey, + data.upsertMode(), + DynamicSinkUtil.getEqualityFieldIds(data.equalityFields(), data.schema()))); + } + } else { + emit(collector, data, foundSchema.f0, foundSchema.f1, foundSpec); + } + } + + private void emit( + Collector<DynamicRecordInternal> out, + DynamicRecord data, + Schema schema, + CompareSchemasVisitor.Result result, + PartitionSpec spec) { + RowData rowData = + result == CompareSchemasVisitor.Result.SAME + ? data.rowData() + : RowDataEvolver.convert(data.rowData(), data.schema(), schema); + int writerKey = hashKeyGenerator.generateKey(data, schema, spec, rowData); + String tableName = data.tableIdentifier().toString(); + out.collect( + new DynamicRecordInternal( + tableName, + data.branch(), + schema, + rowData, + spec, + writerKey, + data.upsertMode(), + DynamicSinkUtil.getEqualityFieldIds(data.equalityFields(), schema))); + } + + @Override + public void close() {} Review Comment: Is this intentional, that the `super.close()` method not called? I see that you call super methods in several place, but not here. -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
