Vova Vysotskyi created CALCITE-4423:
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             Summary: Provide the ability to specify incoming trait in JdbcRules
                 Key: CALCITE-4423
                 URL: https://issues.apache.org/jira/browse/CALCITE-4423
             Project: Calcite
          Issue Type: Improvement
    Affects Versions: 1.26.0
            Reporter: Vova Vysotskyi


For the case of multiple planning phases, it becomes not enough to use JDBC 
rules that accept rel nodes with {{Convention.NONE}} {{RelTrait}}.

It would be handly to provide the possibility to specify desired {{RelTrait}}, 
for example, update constructors of {{JdbcConverterRule}} successors and 
provide additional method:

{{JdbcRules.rules(RelTrait in, JdbcConvention out, RelBuilderFactory 
relBuilderFactory)}}



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