[GitHub] MaxGekk commented on a change in pull request #23662: [SPARK-26740][SPARK-26654][SQL] Make statistics of timestamp/date columns independent from system time zones

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MaxGekk commented on a change in pull request #23662: [SPARK-26740][SPARK-26654][SQL] Make statistics of timestamp/date columns independent from system time zones
URL: https://github.com/apache/spark/pull/23662#discussion_r252952138
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
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 @@ -415,7 +415,8 @@ case class CatalogColumnStat(
     nullCount: Option[BigInt] = None,
     avgLen: Option[Long] = None,
     maxLen: Option[Long] = None,
-    histogram: Option[Histogram] = None) {
+    histogram: Option[Histogram] = None,
+    version: Option[Int] = Some(CatalogColumnStat.VERSION)) {
 
 Review comment:
   When it doesn't exist in the catalog.

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