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https://issues.apache.org/jira/browse/DRILL-7217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826174#comment-16826174
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Arina Ielchiieva edited comment on DRILL-7217 at 4/25/19 3:37 PM:
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Drill does not guarantee backward compatibility between versions, especially
when doing downgrade. For this case, you need to clean up your environment
first and then start 1.13 version.
was (Author: arina):
Drill does not grantee backward compatibility between versions, especially when
doing downgrade. For this case, you need to clean up your environment first and
then start 1.13 version.
> VALIDATION ERROR: when query sys.option after downgrade the DRILL from 1.15
> to 1.13
> ------------------------------------------------------------------------------------
>
> Key: DRILL-7217
> URL: https://issues.apache.org/jira/browse/DRILL-7217
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.13.0
> Reporter: Dony Dong
> Priority: Major
>
> Hi Team,
> We meet an issue after we downgrade from 1.15 to 1.13.
> When we query sys.option, it shows this error.
> Error: VALIDATION ERROR: The option 'drill.exec.hashjoin.fallback.enabled'
> does not exist.
> Fragment 0:0
>
> Here is what we did.
> # upgrade to 1.15. unzip then soft link the dill_home to 1.15 folder.
> # change parameter drill.exec.hashjoin.fallback.enabled to true in system
> level.
> # downgrade by soft link the drill_home to 1.13 folder.
> it seems different versions using the same parameter file.
> Could you please check this?
>
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