Github user goldmedal commented on a diff in the pull request:
https://github.com/apache/spark/pull/18875#discussion_r137048876
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonGenerator.scala
---
@@ -27,21 +27,45 @@ import org.apache.spark.sql.catalyst.util.{ArrayData,
DateTimeUtils, MapData}
import org.apache.spark.sql.types._
private[sql] class JacksonGenerator(
- schema: StructType,
+ childType: DataType,
+ rowSchema: StructType,
--- End diff --
thanks for review =). I will follow your suggestion to change it.
But I think `JacksonGenerator` only support write out an arbitrary map, it
doesn't support to write out an array of map yet. Should I need to fix it? I
think that maybe an issue for supporting arbitrary array?
Should I need to do some check for API `write(row: InternalRow)` calling?
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