dongjoon-hyun commented on a change in pull request #30256:
URL: https://github.com/apache/spark/pull/30256#discussion_r517785209
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File path: docs/sql-migration-guide.md
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@@ -52,6 +52,8 @@ license: |
- In Spark 3.1, the `schema_of_json` and `schema_of_csv` functions return
the schema in the SQL format in which field names are quoted. In Spark 3.0, the
function returns a catalog string without field quoting and in lower case.
+ - In Spark 3.1, refreshing a table will trigger a uncache operation for all
other caches that reference the table, even if the table itself is not cached.
In Spark 3.0 the operation will only be triggered if the table itself is cached.
Review comment:
`a uncache` -> `an uncache`?
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