Github user gatorsmile commented on the issue: https://github.com/apache/spark/pull/17191 We hit this issue multiple times. Although it looks not right to support it for the users of major enterprise RDBMS, two popular open source RDBMS PostgreSQL and MySQL support it. This is the design decision we need to make. Should we keep the previous decision? @rxin @marmbrus @hvanhovell @cloud-fan Thanks!
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