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[FLINK-35893][cdc-connector][paimon] support dynamic bucket.
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70 changes: 70 additions & 0 deletions
70
...-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonHashFunction.java
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| @@ -0,0 +1,70 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.flink.cdc.connectors.paimon.sink; | ||
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| import org.apache.flink.cdc.common.event.CreateTableEvent; | ||
| import org.apache.flink.cdc.common.event.DataChangeEvent; | ||
| import org.apache.flink.cdc.common.event.TableId; | ||
| import org.apache.flink.cdc.common.function.HashFunction; | ||
| import org.apache.flink.cdc.common.schema.Schema; | ||
| import org.apache.flink.cdc.connectors.paimon.sink.v2.PaimonRecordEventSerializer; | ||
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| import org.apache.paimon.catalog.Catalog; | ||
| import org.apache.paimon.catalog.Identifier; | ||
| import org.apache.paimon.data.GenericRow; | ||
| import org.apache.paimon.flink.FlinkCatalogFactory; | ||
| import org.apache.paimon.flink.sink.RowAssignerChannelComputer; | ||
| import org.apache.paimon.options.Options; | ||
| import org.apache.paimon.table.FileStoreTable; | ||
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| import java.io.Serializable; | ||
| import java.time.ZoneId; | ||
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| /** | ||
| * A {@link HashFunction} implementation for {@link PaimonDataSink}. Shuffle {@link DataChangeEvent} | ||
| * by hash of PrimaryKey. | ||
| */ | ||
| public class PaimonHashFunction implements HashFunction<DataChangeEvent>, Serializable { | ||
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| private static final long serialVersionUID = 1L; | ||
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| private final PaimonRecordEventSerializer eventSerializer; | ||
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| private final RowAssignerChannelComputer channelComputer; | ||
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| public PaimonHashFunction( | ||
| Options options, TableId tableId, Schema schema, ZoneId zoneId, int parallelism) { | ||
| Catalog catalog = FlinkCatalogFactory.createPaimonCatalog(options); | ||
| FileStoreTable table; | ||
| try { | ||
| table = (FileStoreTable) catalog.getTable(Identifier.fromString(tableId.toString())); | ||
| } catch (Catalog.TableNotExistException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| eventSerializer = new PaimonRecordEventSerializer(zoneId); | ||
| eventSerializer.serialize(new CreateTableEvent(tableId, schema)); | ||
| channelComputer = new RowAssignerChannelComputer(table.schema(), parallelism); | ||
| channelComputer.setup(parallelism); | ||
| } | ||
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| @Override | ||
| public int hashcode(DataChangeEvent event) { | ||
| GenericRow genericRow = eventSerializer.serialize(event).getGenericRow(); | ||
| return channelComputer.channel(genericRow); | ||
| } | ||
| } |
51 changes: 51 additions & 0 deletions
51
...src/main/java/org/apache/flink/cdc/connectors/paimon/sink/PaimonHashFunctionProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.cdc.connectors.paimon.sink; | ||
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| import org.apache.flink.cdc.common.event.DataChangeEvent; | ||
| import org.apache.flink.cdc.common.event.TableId; | ||
| import org.apache.flink.cdc.common.function.HashFunction; | ||
| import org.apache.flink.cdc.common.function.HashFunctionProvider; | ||
| import org.apache.flink.cdc.common.schema.Schema; | ||
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| import org.apache.paimon.options.Options; | ||
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| import javax.annotation.Nullable; | ||
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| import java.time.ZoneId; | ||
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| /** A {@link HashFunctionProvider} implementation for {@link PaimonDataSink}. */ | ||
| public class PaimonHashFunctionProvider implements HashFunctionProvider<DataChangeEvent> { | ||
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| private final Options options; | ||
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| private final ZoneId zoneId; | ||
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| private final int parallelism; | ||
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| public PaimonHashFunctionProvider(Options options, ZoneId zoneId, int parallelism) { | ||
| this.options = options; | ||
| this.zoneId = zoneId; | ||
| this.parallelism = parallelism; | ||
| } | ||
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| @Override | ||
| public HashFunction<DataChangeEvent> getHashFunction(@Nullable TableId tableId, Schema schema) { | ||
| return new PaimonHashFunction(options, tableId, schema, zoneId, parallelism); | ||
| } | ||
| } |
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50 changes: 50 additions & 0 deletions
50
...-paimon/src/main/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonEventSink.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.flink.cdc.connectors.paimon.sink.v2; | ||
|
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| import org.apache.flink.cdc.common.event.Event; | ||
| import org.apache.flink.cdc.connectors.paimon.sink.v2.bucket.BucketAssignOperator; | ||
| import org.apache.flink.cdc.connectors.paimon.sink.v2.bucket.BucketWrapperEventKeySelector; | ||
| import org.apache.flink.cdc.connectors.paimon.sink.v2.bucket.BucketWrapperEventPartitioner; | ||
| import org.apache.flink.cdc.connectors.paimon.sink.v2.bucket.BucketWrapperEventTypeInfo; | ||
| import org.apache.flink.streaming.api.connector.sink2.WithPreWriteTopology; | ||
| import org.apache.flink.streaming.api.datastream.DataStream; | ||
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| import org.apache.paimon.options.Options; | ||
|
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| /** A {@link PaimonSink} to process {@link Event}. */ | ||
| public class PaimonEventSink extends PaimonSink<Event> implements WithPreWriteTopology<Event> { | ||
|
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| public PaimonEventSink( | ||
| Options catalogOptions, String commitUser, PaimonRecordSerializer<Event> serializer) { | ||
| super(catalogOptions, commitUser, serializer); | ||
| } | ||
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| @Override | ||
| public DataStream<Event> addPreWriteTopology(DataStream<Event> dataStream) { | ||
| // Shuffle by key hash => Assign bucket => Shuffle by bucket. | ||
| return dataStream | ||
| .transform( | ||
| "BucketAssign", | ||
| new BucketWrapperEventTypeInfo(), | ||
| new BucketAssignOperator(catalogOptions)) | ||
| .setDescription("Assign Bucket") | ||
| .partitionCustom( | ||
| new BucketWrapperEventPartitioner(), new BucketWrapperEventKeySelector()); | ||
| } | ||
| } |
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