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https://issues.apache.org/jira/browse/DRILL-7458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16985830#comment-16985830
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ASF GitHub Bot commented on DRILL-7458:
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paul-rogers commented on pull request #1914: DRILL-7458: Base framework for
storage plugins
URL: https://github.com/apache/drill/pull/1914
Drill has an increasing number of storage plugins.
It turns out, many have the same boilerplate code
copy and pasted into each new plugin. This patch
provides a generic framework to allow easier creation
of storage plugins by abstracting out the
boilerplate.
Many storage plugins provide filter push-down,
again by copying a large amount of boilerplate
code from earlier plugins. This patch provides a
generic filter push-down framework that abstracts out
the common Drill/Calcite work, allowing the plugin
to implement just the functionality unique to that
plugin.
A "dummy" plugin shows how to use both frameworks and
acts as a "test mule" for the filter push-down framework.
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> Base storage plugin framework
> -----------------------------
>
> Key: DRILL-7458
> URL: https://issues.apache.org/jira/browse/DRILL-7458
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Major
>
> The "Easy" framework allows third-parties to add format plugins to Drill with
> moderate effort. (The process could be easier, but "Easy" makes it as simple
> as possible given the current structure.)
> At present, no such "starter" framework exists for storage plugins. Further,
> multiple storage plugins have implemented filter push down, seemingly by
> copying large blocks of code.
> This ticket offers a "base" framework for storage plugins and for filter
> push-downs. The framework builds on the EVF, allowing plugins to also support
> project push down.
> The framework has a "test mule" storage plugin to verify functionality, and
> was used as the basis of an REST-like plugin.
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