[GitHub] spark pull request #20619: [SPARK-23457][SQL] Register task completion liste...

[dongjoon-hyun <gi...@git.apache.org>]

Github user dongjoon-hyun commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20619#discussion_r168929352
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala ---
    @@ -395,16 +395,21 @@ class ParquetFileFormat
             ParquetInputFormat.setFilterPredicate(hadoopAttemptContext.getConfiguration, pushed.get)
           }
           val taskContext = Option(TaskContext.get())
    -      val parquetReader = if (enableVectorizedReader) {
    +      if (enableVectorizedReader) {
             val vectorizedReader = new VectorizedParquetRecordReader(
               convertTz.orNull, enableOffHeapColumnVector && taskContext.isDefined, capacity)
    +        val iter = new RecordReaderIterator(vectorizedReader)
    +        // SPARK-23457 Register a task completion lister before `initialization`.
    --- End diff --
    
    Now, `SPARK-23457` is added.


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