Please ignore me. I originally wanted to send it to calcite's dev mail list, but I sent it to the wrong mail list. I'm terribly sorry.😥
Jing Zhang <beyond1...@gmail.com> 于2022年1月26日周三 14:55写道： > Hi community, > My apologies for interrupting. > Anyone could help to review the pr > https://github.com/apache/calcite/pull/2606? > Thanks a lot. > > CALCITE-4865 is the first sub-task of CALCITE-4864. This Jira aims to > extend existing Table function in order to support Polymorphic Table > Function which is introduced as the part of ANSI SQL 2016. > > The brief change logs of the PR are: > - Update `Parser.jj` to support partition by clause and order by clause > for input table with set semantics of PTF > - Introduce `TableCharacteristics` which contains three characteristics > of input table of table function > - Update `SqlTableFunction` to add a method `tableCharacteristics`, the > method returns the table characteristics for the ordinal-th argument to > this table function. Default return value is Optional.empty which means the > ordinal-th argument is not table. > - Introduce `SqlSetSemanticsTable` which represents input table with set > semantics of Table Function, its `SqlKind` is `SET_SEMANTICS_TABLE` > - Updates `SqlValidatorImpl` to validate only set semantic table of > Table Function could have partition by and order by clause > - Update `SqlToRelConverter#substituteSubQuery` to parse subQuery which > represents set semantics table. > > PR: https://github.com/apache/calcite/pull/2606 > JIRA: https://issues.apache.org/jira/browse/CALCITE-4865 > Parent JARA: https://issues.apache.org/jira/browse/CALCITE-4864 > > Best, > Jing Zhang >
