Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/21299#discussion_r187611167
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/json/JsonDataSource.scala
---
@@ -99,12 +99,7 @@ object TextInputJsonDataSource extends JsonDataSource {
def inferFromDataset(json: Dataset[String], parsedOptions: JSONOptions):
StructType = {
val sampled: Dataset[String] = JsonUtils.sample(json, parsedOptions)
- val rdd: RDD[InternalRow] = sampled.queryExecution.toRdd
- val rowParser = parsedOptions.encoding.map { enc =>
- CreateJacksonParser.internalRow(enc, _: JsonFactory, _: InternalRow)
- }.getOrElse(CreateJacksonParser.internalRow(_: JsonFactory, _:
InternalRow))
-
- JsonInferSchema.infer(rdd, parsedOptions, rowParser)
+ JsonInferSchema.infer(sampled, parsedOptions,
CreateJacksonParser.string)
--- End diff --
@HyukjinKwon @MaxGekk can you take a look at the json changes? Thanks!
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