Thank you very much Danny! This solved the problem. Sincerely,
Michael > On Mar 26, 2019, at 8:13 PM, Yuzhao Chen <[email protected]> wrote: > > There is a sum agg func in [1], the reason you can not find the function is > that you initialize use constructor `new SqlStdOperatorTable` for the > validator which is not initialized, the right way is use > SqlStdOperatorTable#instance() [2] or FrameworkConfig#getOperatorTable(). > [1] > https://github.com/apache/calcite/blob/11c067f9992d9c8bc29e2326dd8b299ad1e9dbdc/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java#L912 > [2] > https://github.com/apache/calcite/blob/11c067f9992d9c8bc29e2326dd8b299ad1e9dbdc/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java#L2382 > > Best, > Danny Chan > 在 2019年3月27日 +0800 AM10:06，[email protected]，写道： >> >> SqlStdOperatorTable
