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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3500) Provide additional information while registering storage plugin optimizer rules
Date Wed, 22 Jul 2015 00:31:04 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14636066#comment-14636066
] 

Jacques Nadeau commented on DRILL-3500:
---------------------------------------

Do you think we should rename PlannerSettings as part of the patch?

> Provide additional information while registering storage plugin optimizer rules
> -------------------------------------------------------------------------------
>
>                 Key: DRILL-3500
>                 URL: https://issues.apache.org/jira/browse/DRILL-3500
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Mehant Baid
>            Assignee: Mehant Baid
>             Fix For: 1.2.0
>
>
> Currently all the optimizer rules internal to Drill have access to QueryContext. This
is used by a few rules like PruneScanRule which invoke the interpreter to perform partition
pruning. However the rules that belong to specific storage plugins don't have access to this
information. This JIRA aims to do the following
> 1. Add a new interface OptimizerRulesContext that will be implemented by QueryContext.
It will contain all the information needed by the rules. This context will be passed to the
storage plugin method while getting the optimizer rules specific to that storage plugin.
> 2. Restrict existing internal rules to only accept OptimizerRulesContext instead of QueryContext
so information in QueryContext has better encapsulation.



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