sadikovi commented on a change in pull request #34596:
URL: https://github.com/apache/spark/pull/34596#discussion_r759000008
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/csv/CSVInferSchema.scala
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@@ -160,6 +169,17 @@ class CSVInferSchema(val options: CSVOptions) extends
Serializable {
private def tryParseDouble(field: String): DataType = {
if ((allCatch opt field.toDouble).isDefined || isInfOrNan(field)) {
DoubleType
+ } else {
+ tryParseTimestampNTZ(field)
+ }
+ }
+
+ private def tryParseTimestampNTZ(field: String): DataType = {
+ // We can only parse the value as TimestampNTZType if it does not have
zone-offset or
+ // time-zone component and can be parsed with the timestamp formatter.
+ // Otherwise, it is likely to be a timestamp with timezone.
+ if ((allCatch opt timestampNTZFormatter.parseWithoutTimeZone(field,
true)).isDefined) {
Review comment:
Could you elaborate a bit more? Thanks.
My understanding was that the config indicated whether the output of parsing
should be treated as TimestampNTZ or TimestampLTZ.
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