cloud-fan commented on a change in pull request #23662: [SPARK-26740][SQL] Make
statistics of timestamp/date columns independent from system time zones
URL: https://github.com/apache/spark/pull/23662#discussion_r251278634
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
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@@ -429,7 +429,7 @@ case class CatalogColumnStat(
*/
def toMap(colName: String): Map[String, String] = {
val map = new scala.collection.mutable.HashMap[String, String]
- map.put(s"${colName}.${CatalogColumnStat.KEY_VERSION}", "1")
+ map.put(s"${colName}.${CatalogColumnStat.KEY_VERSION}", "2")
Review comment:
if we bump the version, we need to add a branch in the read path to support
both versions.
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