Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21439#discussion_r209461334
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonParser.scala
---
@@ -101,6 +102,21 @@ class JacksonParser(
}
}
+ private def makeArrayRootConverter(at: ArrayType): JsonParser =>
Seq[InternalRow] = {
+ val elemConverter = makeConverter(at.elementType)
+ (parser: JsonParser) => parseJsonToken[Seq[InternalRow]](parser, at) {
+ case START_ARRAY => Seq(InternalRow(convertArray(parser,
elemConverter)))
+ case START_OBJECT if at.elementType.isInstanceOf[StructType] =>
+ // This handles the case when an input JSON object is a structure
but
+ // the specified schema is an array of structures. In that case,
the input JSON is
--- End diff --
Could you add an example here, like what we did in `makeStructRootConverter
`?
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