Github user maropu commented on a diff in the pull request: https://github.com/apache/spark/pull/20024#discussion_r159572825 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala --- @@ -206,6 +208,11 @@ case class Cast(child: Expression, dataType: DataType, timeZoneId: Option[String case DateType => buildCast[Int](_, d => UTF8String.fromString(DateTimeUtils.dateToString(d))) case TimestampType => buildCast[Long](_, t => UTF8String.fromString(DateTimeUtils.timestampToString(t, timeZone))) + case ar: ArrayType => + buildCast[ArrayData](_, a => { + val arrayData = CatalystTypeConverters.convertToScala(a, ar).asInstanceOf[WrappedArray[_]] --- End diff -- ok, I'll update soon
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