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Subject [GitHub] [incubator-hudi] vinothchandar commented on a change in pull request #1402: [WIP][HUDI-407] Adding Simple Index
Date Wed, 25 Mar 2020 23:04:54 GMT
vinothchandar commented on a change in pull request #1402: [WIP][HUDI-407] Adding Simple Index
URL: https://github.com/apache/incubator-hudi/pull/1402#discussion_r398222688
 
 

 ##########
 File path: hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieSimpleIndex.java
 ##########
 @@ -0,0 +1,244 @@
+/*
+ * 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.index.bloom;
+
+import org.apache.hudi.WriteStatus;
+import org.apache.hudi.common.model.HoodieDataFile;
+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.model.HoodieRecordPayload;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.common.util.ParquetUtils;
+import org.apache.hudi.common.util.collection.Pair;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.table.HoodieTable;
+
+import com.clearspring.analytics.util.Lists;
+import com.google.common.annotations.VisibleForTesting;
+import org.apache.hadoop.fs.Path;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.spark.api.java.JavaPairRDD;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.api.java.Optional;
+import org.apache.spark.api.java.function.Function;
+import org.apache.spark.api.java.function.PairFunction;
+import org.apache.spark.storage.StorageLevel;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import scala.Tuple2;
+
+import static java.util.stream.Collectors.toList;
+
+/**
+ * A simple index which reads interested fields from parquet and joins with incoming records
to find the tagged location
+ *
+ * @param <T>
+ */
+public class HoodieSimpleIndex<T extends HoodieRecordPayload> extends HoodieBloomIndex<T>
{
 
 Review comment:
   I think this very confusing.. may be we need to push a bunch to HoodieIndex abstract class
or have a new class introduced..  

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