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Posted to issues@calcite.apache.org by "Shuyi Chen (JIRA)" <ji...@apache.org> on 2017/06/21 06:24:00 UTC

[jira] [Created] (CALCITE-1856) Add StructKind.PEEK_FIELDS_NO_FLATTENING option to disable star expansion

Shuyi Chen created CALCITE-1856:
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             Summary: Add StructKind.PEEK_FIELDS_NO_FLATTENING option to disable star expansion
                 Key: CALCITE-1856
                 URL: https://issues.apache.org/jira/browse/CALCITE-1856
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Shuyi Chen
            Assignee: Julian Hyde


We want to use StructKind.PEEK_FIELDS for RecordType. But currently in calcite, a side effect of using PEEK_FIELDS is that "select *" will recursively flatten the PEEK_FIELDS RecordType. We want to add an option call PEEK_FIELDS_NO_FLATTENING to disable the behavior.



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