cloud-fan commented on code in PR #45039:
URL: https://github.com/apache/spark/pull/45039#discussion_r1857681282
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sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala:
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@@ -1056,11 +1056,22 @@ private[hive] object HiveClientImpl extends Logging {
/** Get the Spark SQL native DataType from Hive's FieldSchema. */
private def getSparkSQLDataType(hc: FieldSchema): DataType = {
Review Comment:
Adding a new data type is supposed not to be supported by old Spark
versions, but we still try our best, e.g. string with collation is just stored
as plain string type in HMS so that old Spark versions can still read it.
But this PR is just a bug fix, and it's not worthwhile to introduce a
compatibility issue here.
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