hililiwei commented on code in PR #4904: URL: https://github.com/apache/iceberg/pull/4904#discussion_r910555869
########## flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/sink/v2/FlinkSink.java: ########## @@ -0,0 +1,635 @@ +/* + * 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.v2; + +import java.io.IOException; +import java.io.UncheckedIOException; +import java.util.Collection; +import java.util.List; +import java.util.Locale; +import java.util.Map; +import java.util.Set; +import java.util.function.Function; +import javax.annotation.Nullable; +import org.apache.flink.api.common.functions.MapFunction; +import org.apache.flink.api.common.functions.RichMapFunction; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.connector.sink2.Committer; +import org.apache.flink.api.connector.sink2.StatefulSink; +import org.apache.flink.configuration.Configuration; +import org.apache.flink.configuration.ReadableConfig; +import org.apache.flink.core.io.SimpleVersionedSerializer; +import org.apache.flink.streaming.api.connector.sink2.CommittableMessage; +import org.apache.flink.streaming.api.connector.sink2.CommittableWithLineage; +import org.apache.flink.streaming.api.connector.sink2.WithPostCommitTopology; +import org.apache.flink.streaming.api.connector.sink2.WithPreCommitTopology; +import org.apache.flink.streaming.api.connector.sink2.WithPreWriteTopology; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.datastream.DataStreamSink; +import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator; +import org.apache.flink.streaming.api.operators.StreamingRuntimeContext; +import org.apache.flink.table.api.TableSchema; +import org.apache.flink.table.data.RowData; +import org.apache.flink.table.data.util.DataFormatConverters; +import org.apache.flink.table.types.DataType; +import org.apache.flink.table.types.logical.RowType; +import org.apache.flink.types.Row; +import org.apache.iceberg.DataFile; +import org.apache.iceberg.DistributionMode; +import org.apache.iceberg.FileFormat; +import org.apache.iceberg.PartitionField; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Schema; +import org.apache.iceberg.SerializableTable; +import org.apache.iceberg.Table; +import org.apache.iceberg.common.DynFields; +import org.apache.iceberg.flink.FlinkConfigOptions; +import org.apache.iceberg.flink.FlinkSchemaUtil; +import org.apache.iceberg.flink.TableLoader; +import org.apache.iceberg.flink.sink.EqualityFieldKeySelector; +import org.apache.iceberg.flink.sink.PartitionKeySelector; +import org.apache.iceberg.flink.sink.RowDataTaskWriterFactory; +import org.apache.iceberg.flink.util.FlinkCompatibilityUtil; +import org.apache.iceberg.relocated.com.google.common.annotations.VisibleForTesting; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.relocated.com.google.common.collect.Sets; +import org.apache.iceberg.types.TypeUtil; +import org.apache.iceberg.util.PropertyUtil; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import static org.apache.iceberg.TableProperties.DEFAULT_FILE_FORMAT; +import static org.apache.iceberg.TableProperties.DEFAULT_FILE_FORMAT_DEFAULT; +import static org.apache.iceberg.TableProperties.UPSERT_ENABLED; +import static org.apache.iceberg.TableProperties.UPSERT_ENABLED_DEFAULT; +import static org.apache.iceberg.TableProperties.WRITE_DISTRIBUTION_MODE; +import static org.apache.iceberg.TableProperties.WRITE_DISTRIBUTION_MODE_NONE; +import static org.apache.iceberg.TableProperties.WRITE_TARGET_FILE_SIZE_BYTES; +import static org.apache.iceberg.TableProperties.WRITE_TARGET_FILE_SIZE_BYTES_DEFAULT; + +public class FlinkSink implements StatefulSink<RowData, IcebergStreamWriterState>, + WithPreWriteTopology<RowData>, + WithPreCommitTopology<RowData, IcebergFlinkCommittable>, + WithPostCommitTopology<RowData, IcebergFlinkCommittable> { + private static final Logger LOG = LoggerFactory.getLogger(FlinkSink.class); + + private final TableLoader tableLoader; + private final Table table; + private final boolean overwrite; + private final boolean upsertMode; + private final DistributionMode distributionMode; + private final List<String> equalityFieldColumns; + private final List<Integer> equalityFieldIds; + private final int workerPoolSize; + private final String uidPrefix; + private final Map<String, String> snapshotProperties; + private final RowType flinkRowType; + + public FlinkSink(TableLoader tableLoader, + @Nullable Table newTable, + TableSchema tableSchema, + boolean overwrite, + DistributionMode distributionMode, + boolean upsert, + List<String> equalityFieldColumns, + @Nullable String uidPrefix, + ReadableConfig readableConfig, + Map<String, String> snapshotProperties) { + this.tableLoader = tableLoader; + this.overwrite = overwrite; + this.distributionMode = distributionMode; + this.equalityFieldColumns = equalityFieldColumns; + this.uidPrefix = uidPrefix == null ? "" : uidPrefix; + this.snapshotProperties = snapshotProperties; + + Preconditions.checkNotNull(tableLoader, "Table loader shouldn't be null"); + + if (newTable == null) { + tableLoader.open(); + try (TableLoader loader = tableLoader) { + this.table = loader.loadTable(); + } catch (IOException e) { + throw new UncheckedIOException("Failed to load iceberg table from table loader: " + tableLoader, e); + } + } else { + this.table = newTable; Review Comment: we'll have multiple sinks with multiple writes and globally one committer. -- 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]
