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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3) Define syntax for logical plan and parser for logical plan
Date Fri, 30 Nov 2012 17:17:58 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507463#comment-13507463
] 

Jacques Nadeau commented on DRILL-3:
------------------------------------

I've built a logical plan parser and updated the google design doc to our latest thoughts.
 It lacks tests but hopefully starts people's thinking about things. I still want to spend
some time simplifying the functions and expressions. The parser shouldn't be generating custom
objects for each function. Rather we need to define a parameter validator set of classes that
work together with a name and output type determiner to create a function definition. But
this works for now.

I've submitted a github pull request for this functionality at https://github.com/apache/incubator-drill/pull/2
                
> Define syntax for logical plan and parser for logical plan
> ----------------------------------------------------------
>
>                 Key: DRILL-3
>                 URL: https://issues.apache.org/jira/browse/DRILL-3
>             Project: Apache Drill
>          Issue Type: Task
>            Reporter: Ted Dunning
>            Assignee: Jacques Nadeau
>
> Define the basic semantics of the logical plan and expression language.  (Separating
out the physical plan into a separate jira)

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