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From: nongli <git@git.apache.org>
To: reviews@spark.apache.org
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References: <git-pr-12055-spark@git.apache.org>
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Subject: [GitHub] spark pull request: [SPARK-14263][SQL] Benchmark Vectorized
 HashMa...
Content-Type: text/plain
Message-Id: <20160330070558.4C2E2DFC75@git1-us-west.apache.org>
Date: Wed, 30 Mar 2016 07:05:58 +0000 (UTC)

Github user nongli commented on a diff in the pull request:

    https://github.com/apache/spark/pull/12055#discussion_r57844531
  
    --- Diff: sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/VectorizedHashMap.java ---
    @@ -0,0 +1,79 @@
    +/*
    + * 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.spark.sql.execution.vectorized;
    +
    +import java.util.Arrays;
    +
    +import org.apache.spark.memory.MemoryMode;
    +import org.apache.spark.sql.types.StructType;
    +
    +import static org.apache.spark.sql.types.DataTypes.LongType;
    +
    +/**
    + * This is an illustrative implementation of a single-key/single value vectorized hash map that can
    + * be potentially 'codegened' in TungstenAggregate to speed up aggregate w/ key
    + */
    +public class VectorizedHashMap {
    +  public ColumnarBatch batch;
    --- End diff --
    
    do these needs to be public?


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