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https://issues.apache.org/jira/browse/CALCITE-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359251#comment-15359251
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Julian Hyde commented on CALCITE-1304:
--------------------------------------

[~kaspersor] +1. I think Calcite & MetaModel each have unique capabilities. If 
we can find a way to bring them closer together, the sum will be greater than 
the parts. But we don't know exactly how we'd do that. This task is 
intentionally bottom-up: use a part of MetaModel without worrying about the 
whole. As we each become familiar with the other project, we will spot other 
areas to collaborate.

A note on spelling: I mistakenly wrote "Metamodel" in this JIRA, and I have 
corrected to "MetaModel". In Calcite we write "adapter", not "adaptor", and I'd 
like to continue that tradition in Calcite code/documentation.

> Add wrapper for Apache Metamodel adapters
> -----------------------------------------
>
>                 Key: CALCITE-1304
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1304
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Julian Hyde
>            Assignee: Julian Hyde
>
> Apache Metamodel has adapters for a lot of data sources. It would be great if 
> those adapters could be re-used as Calcite adapters (and potentially Drill 
> adapters also). I was speaking to [~kaspersor] (Metamodel PMC member) today 
> and he likes the idea.
> I don't know whether there would be any loss of efficiency going through a 
> wrapper, but I suspect not.



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