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io.xskipper.index.execution.parquet

MinmaxParquetRecordReader

object MinmaxParquetRecordReader extends Logging

Helper object to extract minimum and maximum statistics for a given column from Parquet file footer

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  10. def getMinMaxStat(path: String, columns: Seq[String], hadoopConfiguration: Configuration): Seq[Option[Tuple2[_, _]]]

    Get the min and max numeric values of the given sequence of columns in the parquet format file by using parquet specific format - reading the statistics in the metadata blocks

    Get the min and max numeric values of the given sequence of columns in the parquet format file by using parquet specific format - reading the statistics in the metadata blocks

    path

    of parquet format file

    columns

    the sequence of columns to return min and max values of

    returns

    numeric min max values for each column (if the column doesn't exist or no min max values None is returned)

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  12. def initializeLogIfNecessary(isInterpreter: Boolean, silent: Boolean): Boolean
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