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Posted to issues@spark.apache.org by "Huaxin Gao (Jira)" <ji...@apache.org> on 2021/08/13 00:52:00 UTC

[jira] [Created] (SPARK-36503) Add RowToColumnConverter for BinaryType

Huaxin Gao created SPARK-36503:
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             Summary: Add RowToColumnConverter for BinaryType
                 Key: SPARK-36503
                 URL: https://issues.apache.org/jira/browse/SPARK-36503
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.3.0
            Reporter: Huaxin Gao


currently, we have RowToColumnConverter for all data types except BinaryType


{code:java}
  private def getConverterForType(dataType: DataType, nullable: Boolean): TypeConverter = {
    val core = dataType match {
      case BooleanType => BooleanConverter
      case ByteType => ByteConverter
      case ShortType => ShortConverter
      case IntegerType | DateType => IntConverter
      case FloatType => FloatConverter
      case LongType | TimestampType => LongConverter
      case DoubleType => DoubleConverter
      case StringType => StringConverter
      case CalendarIntervalType => CalendarConverter
      case at: ArrayType => ArrayConverter(getConverterForType(at.elementType, at.containsNull))
      case st: StructType => new StructConverter(st.fields.map(
        (f) => getConverterForType(f.dataType, f.nullable)))
      case dt: DecimalType => new DecimalConverter(dt)
      case mt: MapType => MapConverter(getConverterForType(mt.keyType, nullable = false),
        getConverterForType(mt.valueType, mt.valueContainsNull))
      case unknown => throw QueryExecutionErrors.unsupportedDataTypeError(unknown.toString)
    }
{code}




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