[jira] [Created] (FLINK-22942) Disable upsert into syntax in Flink SQL

Posted by Shang Yuanchun (Jira) on
URL: http://deprecated-apache-flink-mailing-list-archive.368.s1.nabble.com/jira-Created-FLINK-22942-Disable-upsert-into-syntax-in-Flink-SQL-tp51273.html

Leonard Xu created FLINK-22942:
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             Summary: Disable upsert into syntax in Flink SQL
                 Key: FLINK-22942
                 URL: https://issues.apache.org/jira/browse/FLINK-22942
             Project: Flink
          Issue Type: Improvement
          Components: Table SQL / API
            Reporter: Leonard Xu


I found we can write  *insert into* and *upsert into* in Flink SQL， but the later syntax's semantic and behavior is never discussed, currently they have same implementation.

We should disable the later one util we support  `*upsert into* ` with correct behavior.



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