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