Hi Francis, Thank you for bring it here. The “FOR SYSTEM_TIME AS OF” operation is introduced in SQL:2011 temporal feature. It is a standard way to do a temporal table join using this syntax which we want to support in Apache Flink. We will be very grateful if anyone can review it.
Thanks, Jark > 在 2019年1月7日，上午11:56，Francis Chuang <[email protected]> 写道： > > Hey all, > > There is a PR that has sort of been forgotten and the contributor would like > to have it reviewed. > > Can someone please review it? > > Link to PR: https://github.com/apache/calcite/pull/759 > JIRA issue: https://issues.apache.org/jira/browse/CALCITE-1912 > > Francis
