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https://issues.apache.org/jira/browse/CALCITE-1150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15258186#comment-15258186
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Jinfeng Ni commented on CALCITE-1150:
-------------------------------------

If it's easier to review new unit tests, here is the link to work-in-progress 
branch [1]. In the last commit, I added couple of unit testcases in 
SqlToRelConverterTest. 

The branch is not ready for complete review, as I'm still working on both the 
implementation and adding new unit tests. 

[1] https://github.com/jinfengni/incubator-optiq/commits/InProgress/CALCITE-1150

> Create the a new DynamicRecordType, avoiding star expansion when working with 
> this type
> ---------------------------------------------------------------------------------------
>
>                 Key: CALCITE-1150
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1150
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Jacques Nadeau
>            Assignee: Julian Hyde
>
> DynamicRecordType can be used to leverage user-provided field implications to 
> avoid schema analysis until execution.



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