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From "Ted Dunning (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-5) Create trivial interpreter for a logical plan
Date Wed, 17 Oct 2012 02:32:02 GMT

    [ https://issues.apache.org/jira/browse/DRILL-5?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477546#comment-13477546
] 

Ted Dunning commented on DRILL-5:
---------------------------------

OK.  Checked in a version that is on the edge of working for simple queries.

I will be refining this and adding tests over the next few days.


                
> Create trivial interpreter for a logical plan
> ---------------------------------------------
>
>                 Key: DRILL-5
>                 URL: https://issues.apache.org/jira/browse/DRILL-5
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Ted Dunning
>
> Using the output of the SSA parser for a logical plan, it should be possible to build
an unoptimized, terribly slow reference interpreter that does drill-like things to JSON data.
> The input would be a plan in the form of a DAG which references a JSON data file on disk.
 Evaluation of the DAG would result in a stream of trees which could be stored back to disk
for inspection or compared to reference values for testing.

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