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Posted to issues@drill.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/07/01 01:15:00 UTC
[jira] [Commented] (DRILL-7293) Convert the regex ("log") plugin to
use EVF
[ https://issues.apache.org/jira/browse/DRILL-7293?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16875900#comment-16875900 ]
ASF GitHub Bot commented on DRILL-7293:
---------------------------------------
paul-rogers commented on issue #1807: DRILL-7293: Convert the regex ("log") plugin to use EVF
URL: https://github.com/apache/drill/pull/1807#issuecomment-507084448
Rebased on latest master. One unrelated test fails:
```
[ERROR] Errors:
[ERROR] TestDynamicUDFSupport.testDropFunction ยป UserRemote VALIDATION ERROR: From lin...
```
This test fails about 50% of the time, so it is probably not related to this change. The failure prevents running subsequent tests. But, mock data source support is likely not used by the other packages.
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> Convert the regex ("log") plugin to use EVF
> -------------------------------------------
>
> Key: DRILL-7293
> URL: https://issues.apache.org/jira/browse/DRILL-7293
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.16.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Major
> Fix For: 1.17.0
>
>
> The "log" plugin (which uses a regex to define the row format) is the subject of Chapter 12 of the Learning Apache Drill book (though the version in the book is simpler than the one in the master branch.)
> The recently-completed "Enhanced Vector Framework" (EVF, AKA the "row set framework") gives Drill control over the size of batches created by readers, and allows readers to use the recently-added provided schema mechanism.
> We wish to use the log reader as an example for how to convert a Drill format plugin to use the EVF so that other developers can convert their own plugins.
> This PR provides the first set of log plugin changes to enable us to publish a tutorial on the EVF.
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