jinxing64 opened a new pull request #1500: [CALCITE-3403] Prune columns for ProjectableFilterableTable when Proj… URL: https://github.com/apache/calcite/pull/1500 …ect is not simple mapping (Jin Xing) Say `beatles` is a `ProjectableFilterableTable`, below Sqls fail to do column pruning by `BindableTableScan` ``` Schema of beatles: i int j int k int select k, 3 from beatles; select k + j from beatles; ``` The reason is that `ProjectableFilterableTable` only works when the Project is a simple mapping.
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