AngersZhuuuu commented on a change in pull request #31378:
URL: https://github.com/apache/spark/pull/31378#discussion_r569193648
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File path: docs/sql-migration-guide.md
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@@ -56,6 +56,8 @@ license: |
In Spark 3.1 and earlier, table refreshing leaves dependents uncached.
- In Spark 3.2, the usage of `count(tblName.*)` is blocked to avoid
producing ambiguous results. Because `count(*)` and `count(tblName.*)` will
output differently if there is any null values. To restore the behavior before
Spark 3.2, you can set
`spark.sql.legacy.allowStarWithSingleTableIdentifierInCount` to `true`.
+
+ - In Spark 3.2, a `SHOW TBLPROPERTIES` clause's output shows `key` and
`value` columns whether you specify the property key. In Spark 3.1 and earlier,
a `SHOW TBLPROPERTIES` clause's output only show a `value` column when you
specify the property key.
Review comment:
> nit: "whether you specify the property key." => "whether you specify
the table property `key`."
Done
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