Hi, I have created several JIRA issues with proposal implementation to support more SQL functions for streaming. As there is an ongoing discussion about supporting retraction for the Stream SQL, these features focus on the processing time. Extending them for event time would be done (in most of the cases similar) after the new retraction mechanism are merged. The JIRA issues are: 1. 2. FLINK-6082<https://issues.apache.org/jira/browse/FLINK-6082> - Support window definition for SQL Queries based on WHERE clause with time condition 3. FLINK-6081<https://issues.apache.org/jira/browse/FLINK-6081> - Offset/Fetch support for SQL Streaming 4. FLINK-6077<https://issues.apache.org/jira/browse/FLINK-6077> - Support In/Exists/Except/Any /Some/All for Stream SQL 5. FLINK-6075<https://issues.apache.org/jira/browse/FLINK-6075> - Support Limit/Top(Sort) for Stream SQL 6. FLINK-6073<https://issues.apache.org/jira/browse/FLINK-6073> - Support for SQL inner queries for proctime 7. Please let me know what you think and of course any feedback about the design/priority for the roadmap/implementation is more than welcomed.
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