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ASF GitHub Bot commented on FLINK-4565: --------------------------------------- Github user fhueske commented on the issue: https://github.com/apache/flink/pull/2870 Hi @NickolayVasilishin, the `HashSet` is a very good point. Forget what I said about deduplication. :-) > Support for SQL IN operator > --------------------------- > > Key: FLINK-4565 > URL: https://issues.apache.org/jira/browse/FLINK-4565 > Project: Flink > Issue Type: Improvement > Components: Table API & SQL > Reporter: Timo Walther > Assignee: Nikolay Vasilishin > > It seems that Flink SQL supports the uncorrelated sub-query IN operator. But > it should also be available in the Table API and tested. -- This message was sent by Atlassian JIRA (v6.3.4#6332)