maropu commented on a change in pull request #29009:
URL: https://github.com/apache/spark/pull/29009#discussion_r451905426
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File path: docs/sql-migration-guide.md
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@@ -30,6 +30,8 @@ license: |
- In Spark 3.1, `from_unixtime`, `unix_timestamp`,`to_unix_timestamp`,
`to_timestamp` and `to_date` will fail if the specified datetime pattern is
invalid. In Spark 3.0 or earlier, they result `NULL`.
+ - In Spark 3.1, we can use regexp function, it is the alias of rlike
funtion, which functions the same with rike funtion.
Review comment:
We don't need this.
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