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https://issues.apache.org/jira/browse/CALCITE-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358282#comment-15358282
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Michael Mior commented on CALCITE-1304:
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It would be interesting to compare some queries against a datastore with a
native Calcite adapter vs going through Metamodel for those stores which have
an adapter in both.
> 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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