cloud-fan commented on code in PR #36377:
URL: https://github.com/apache/spark/pull/36377#discussion_r865682677
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docs/sql-migration-guide.md:
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@@ -22,6 +22,10 @@ license: |
* Table of contents
{:toc}
+## Upgrading from Spark SQL 3.3 to 3.4
+
+ - Since Spark 3.4, Spark disable `hive.stats.autogather` when create
`HiveClientImpl`. To restore the behavior before Spark 3.4, you can set
`spark.hadoop.hive.stats.autogather` to `true`.
Review Comment:
```suggestion
- Since Spark 3.4, Spark disables `hive.stats.autogather` by default,
which means Hive tables won't automatically update statistics that can be
consumed by Hive (not Spark). To restore the behavior before Spark 3.4, you can
set `spark.hadoop.hive.stats.autogather` to `true`.
```
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