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https://issues.apache.org/jira/browse/MADLIB-1242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Frank McQuillan closed MADLIB-1242.
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> Make upgrade and install atomic operations
> ------------------------------------------
>
> Key: MADLIB-1242
> URL: https://issues.apache.org/jira/browse/MADLIB-1242
> Project: Apache MADlib
> Issue Type: Improvement
> Components: Upgrade
> Reporter: Frank McQuillan
> Priority: Major
> Fix For: v1.15
>
>
> Story
> As a madlib user
> I want to return to the prior release state if upgrade and install fails
> so that
> I am not in an unknown state that is partially upgraded/installed and
> partially not.
> Note
> Test for install, re-install, uninstall, and upgrade. i.e., all combinations
> Acceptance
> 1) Prepare an upgrade that will fail from 1.x to 1.y
> 2) Run madpack upgrade
> 3) Upgrade fails
> 4) Check that we are back in 1.x state with SELECT madlib.version();
> 5) Similar test for install
> 6) Run IC on 1.x to ensure it passes
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