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From davies <>
Subject [GitHub] spark pull request #13680: [SPARK-15962][SQL] Introduce implementation with ...
Date Thu, 04 Aug 2016 17:27:36 GMT
Github user davies commented on a diff in the pull request:
    --- Diff: sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/
    @@ -25,30 +25,36 @@
     import org.apache.spark.sql.types.*;
     import org.apache.spark.unsafe.Platform;
     import org.apache.spark.unsafe.array.ByteArrayMethods;
    +import org.apache.spark.unsafe.bitset.BitSetMethods;
     import org.apache.spark.unsafe.hash.Murmur3_x86_32;
     import org.apache.spark.unsafe.types.CalendarInterval;
     import org.apache.spark.unsafe.types.UTF8String;
      * An Unsafe implementation of Array which is backed by raw memory instead of Java objects.
    - * Each tuple has three parts: [numElements] [offsets] [values]
    + * Each tuple has four parts: [numElements][null bits][values or offset][variable length
    --- End diff --
    Each array ?

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