AngersZhuuuu commented on a change in pull request #29085:
URL: https://github.com/apache/spark/pull/29085#discussion_r458612159
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/BaseScriptTransformationExec.scala
##########
@@ -87,17 +178,69 @@ trait BaseScriptTransformationExec extends UnaryExecNode {
}
}
}
+
+ private lazy val fieldWriters: Seq[String => Any] = output.map { attr =>
+ val converter =
CatalystTypeConverters.createToCatalystConverter(attr.dataType)
+ attr.dataType match {
+ case StringType => wrapperConvertException(data => data, converter)
+ case BooleanType => wrapperConvertException(data => data.toBoolean,
converter)
+ case ByteType => wrapperConvertException(data => data.toByte, converter)
+ case BinaryType => wrapperConvertException(data => data.getBytes,
converter)
+ case IntegerType => wrapperConvertException(data => data.toInt,
converter)
+ case ShortType => wrapperConvertException(data => data.toShort,
converter)
+ case LongType => wrapperConvertException(data => data.toLong, converter)
+ case FloatType => wrapperConvertException(data => data.toFloat,
converter)
+ case DoubleType => wrapperConvertException(data => data.toDouble,
converter)
+ case _: DecimalType => wrapperConvertException(data => BigDecimal(data),
converter)
+ case DateType if conf.datetimeJava8ApiEnabled =>
+ wrapperConvertException(data => DateTimeUtils.stringToDate(
+ UTF8String.fromString(data),
+ DateTimeUtils.getZoneId(conf.sessionLocalTimeZone))
+ .map(DateTimeUtils.daysToLocalDate).orNull, converter)
+ case DateType => wrapperConvertException(data =>
DateTimeUtils.stringToDate(
+ UTF8String.fromString(data),
+ DateTimeUtils.getZoneId(conf.sessionLocalTimeZone))
+ .map(DateTimeUtils.toJavaDate).orNull, converter)
+ case TimestampType if conf.datetimeJava8ApiEnabled =>
+ wrapperConvertException(data => DateTimeUtils.stringToTimestamp(
+ UTF8String.fromString(data),
+ DateTimeUtils.getZoneId(conf.sessionLocalTimeZone))
+ .map(DateTimeUtils.microsToInstant).orNull, converter)
+ case TimestampType => wrapperConvertException(data =>
DateTimeUtils.stringToTimestamp(
+ UTF8String.fromString(data),
+ DateTimeUtils.getZoneId(conf.sessionLocalTimeZone))
+ .map(DateTimeUtils.toJavaTimestamp).orNull, converter)
+ case CalendarIntervalType => wrapperConvertException(
+ data => IntervalUtils.stringToInterval(UTF8String.fromString(data)),
+ converter)
+ case udt: UserDefinedType[_] =>
+ wrapperConvertException(data => udt.deserialize(data), converter)
+ case _ => wrapperConvertException(data => data, converter)
+ }
+ }
+
+ // Keep consistent with Hive `LazySimpleSerde`, when there is a type case
error, return null
+ private val wrapperConvertException: (String => Any, Any => Any) => String
=> Any =
+ (f: String => Any, converter: Any => Any) =>
+ (data: String) => converter {
+ try {
+ f(data)
+ } catch {
+ case _: Exception => null
Review comment:
Done
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