garyli1019 commented on a change in pull request #4679:
URL: https://github.com/apache/hudi/pull/4679#discussion_r815854045
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/configuration/FlinkOptions.java
##########
@@ -310,6 +318,20 @@ private FlinkOptions() {
+ "Actual value will be obtained by invoking .toString() on the
field value. Nested fields can be specified using "
+ "the dot notation eg: `a.b.c`");
+ public static final ConfigOption<String> INDEX_KEY_FIELD = ConfigOptions
+ .key(HoodieIndexConfig.BUCKET_INDEX_HASH_FIELD.key())
+ .stringType()
+ .defaultValue("uuid")
Review comment:
hmm not quite sure we should do that here. The user need some basic
knowledge about this index type, so they know how to operate the table. e.g.
how to handle the bucket number and how does this hash key field work.
##########
File path:
hudi-flink/src/main/java/org/apache/hudi/sink/BucketStreamWriteFunction.java
##########
@@ -0,0 +1,158 @@
+/*
+ * 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.hudi.sink;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.state.FunctionInitializationContext;
+import org.apache.flink.streaming.api.functions.ProcessFunction;
+import org.apache.flink.util.Collector;
+import org.apache.hudi.common.model.FileSlice;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.model.HoodieRecord;
+import org.apache.hudi.common.model.HoodieRecordLocation;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.configuration.FlinkOptions;
+import org.apache.hudi.index.bucket.BucketIdentifier;
+import org.apache.hudi.table.HoodieFlinkTable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+
+import static java.util.stream.Collectors.toList;
+
+public class BucketStreamWriteFunction<I> extends StreamWriteFunction<I> {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(BucketStreamWriteFunction.class);
+
+ private int maxParallelism;
+
+ private int parallelism;
+
+ private int hiveBucketNum;
Review comment:
fixed
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