These links are easier: * https://github.com/apache/calcite/pull/3495 * https://issues.apache.org/jira/browse/CALCITE-6044
> On Nov 16, 2023, at 7:51 AM, Paul Jackson > <pauljackson...@verizon.net.INVALID> wrote: > > This PR updates org.apache.calcite.rel.metadata areColumnsUnique, > getUniqueKeys, and getPredicates methods to account for relations that > produce at most a single row: Sort (due to limit), Aggregate (due to no group > by), Values (due to having a single row), and Join (when joining with one of > the other nodes). > https://github.com/apache/calcite/pull/3495https://issues.apache.org/jira/projects/CALCITE/issues/CALCITE-6044 > Thanks,-Paul