ueshin commented on a change in pull request #26512: [WIP][SPARK-29493][SQL]
Arrow MapType support
URL: https://github.com/apache/spark/pull/26512#discussion_r356255199
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/util/ArrowUtils.scala
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@@ -45,6 +46,7 @@ object ArrowUtils {
case BinaryType => ArrowType.Binary.INSTANCE
case DecimalType.Fixed(precision, scale) => new
ArrowType.Decimal(precision, scale)
case DateType => new ArrowType.Date(DateUnit.DAY)
+ case MapType(k, v, nullable) => new ArrowType.Map(false)
Review comment:
Do we need this?
Seems like complex types are handled in `toArrowField` and `fromArrowField`?
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