Github user MaxGekk commented on a diff in the pull request:
https://github.com/apache/spark/pull/21439#discussion_r204231416
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonParser.scala
---
@@ -61,6 +61,7 @@ class JacksonParser(
dt match {
case st: StructType => makeStructRootConverter(st)
case mt: MapType => makeMapRootConverter(mt)
+ case at: ArrayType => makeArrayRootConverter(at)
--- End diff --
> This change accepts the json datasource form that the master can't parse?
Right, it accept arrays of any types comparing to the master which accepts
arrays of structs only
> If so, I think we need tests in JsonSuite ...
I added a few tests to `JsonSuite` or do you mean some concrete test case?
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