Github user sergey-rubtsov commented on a diff in the pull request:
https://github.com/apache/spark/pull/21363#discussion_r189597989
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVInferSchema.scala
---
@@ -140,14 +141,23 @@ private[csv] object CSVInferSchema {
private def tryParseDouble(field: String, options: CSVOptions): DataType
= {
if ((allCatch opt field.toDouble).isDefined || isInfOrNan(field,
options)) {
DoubleType
+ } else {
+ tryParseDate(field, options)
--- End diff --
At the moment, DateType here is ignored at all, I'm not sure that it was
conceived when the type was created
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