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https://issues.apache.org/jira/browse/KYLIN-5250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17599280#comment-17599280
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ASF GitHub Bot commented on KYLIN-5250:
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Mukvin opened a new pull request, #1963:
URL: https://github.com/apache/kylin/pull/1963
## Proposed changes
Add a switch to the workaround the `RawQueryLastHacker` handle logic
## Branch to commit
- [ ] Branch **kylin3** for v2.x to v3.x
- [ ] Branch **kylin4** for v4.x
- [ ] Branch **kylin5** for v5.x
## Types of changes
What types of changes does your code introduce to Kylin?
_Put an `x` in the boxes that apply_
- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Documentation Update (if none of the other choices apply)
## Checklist
_Put an `x` in the boxes that apply. You can also fill these out after
creating the PR. If you're unsure about any of them, don't hesitate to ask.
We're here to help! This is simply a reminder of what we are going to look for
before merging your code._
- [ ] I have created an issue on [Kylin's
jira](https://issues.apache.org/jira/browse/KYLIN), and have described the
bug/feature there in detail
- [ ] Commit messages in my PR start with the related jira ID, like
"KYLIN-0000 Make Kylin project open-source"
- [ ] Compiling and unit tests pass locally with my changes
- [ ] I have added tests that prove my fix is effective or that my feature
works
- [ ] I have added necessary documentation (if appropriate)
- [ ] Any dependent changes have been merged
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[email protected] or [email protected] by explaining why you chose the
solution you did and what alternatives you considered, etc...
> Add a switch for no hack aggregation group
> ------------------------------------------
>
> Key: KYLIN-5250
> URL: https://issues.apache.org/jira/browse/KYLIN-5250
> Project: Kylin
> Issue Type: Improvement
> Affects Versions: v4.0.0
> Reporter: mukvin
> Assignee: mukvin
> Priority: Major
> Fix For: v4.0.2
>
>
> Kylin has a `RawQueryLastHacker` class that will handle SQLs without
> aggregate condition such as SQL without a "group by".
> Kylin will add a default "group by" condition to the sql.
> So sometimes users want to query some SQLs through Kylin on Hive.
> It needs to work around the `RawQueryLastHacker` handle logic.
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