Github user mgaido91 commented on a diff in the pull request: https://github.com/apache/spark/pull/21363#discussion_r189526889 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CSVInferSchema.scala --- @@ -90,6 +90,7 @@ private[csv] object CSVInferSchema { // DecimalTypes have different precisions and scales, so we try to find the common type. findTightestCommonType(typeSoFar, tryParseDecimal(field, options)).getOrElse(StringType) case DoubleType => tryParseDouble(field, options) + case DateType => tryParseDate(field, options) --- End diff -- this also is a behavior change. Shall we document it?
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