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https://issues.apache.org/jira/browse/DRILL-13?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13606098#comment-13606098
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Timothy Chen commented on DRILL-13:
-----------------------------------

I have the same question as David, which is where does this storage engine fit 
and its input/output. 
Does the storage engine only optimizes logical plan, or part of the logical 
plan -> physical plan resolution, or merely executes a physical plan?
                
> Storage Engine: Define Java Interface
> -------------------------------------
>
>                 Key: DRILL-13
>                 URL: https://issues.apache.org/jira/browse/DRILL-13
>             Project: Apache Drill
>          Issue Type: Task
>            Reporter: Jacques Nadeau
>            Assignee: Jacques Nadeau
>
> We're going to need to define a storage engine API.  At a minimum, we'll need 
> to generate a Java one.  We will probably need to also create a CPP one.  
> This task is for the former.  Things that are likely to be included in a the 
> Java interface are: reader (scanner), writer, capabilities interface, schema 
> interface, statistics interface, data layout and ordering

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