GitHub user Sssan520 opened a pull request:
https://github.com/apache/carbondata/pull/2619
[CARBONDATA-2819] Fixed cannot drop preagg datamap on table if the tabâ¦
1.Use "SET carbon.datamap.visible.{dbName}.{mainTable}.{datamapName} =
{true or false}",if datamap provider is 'preagg',block this configuration.
2.When create preagg datamap, now also create its datamap schema file in
system folder.
3.Use command "show datamap on table {tableName}" will get its all datamaps
from datamap schema files
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed?No
- [ ] Any backward compatibility impacted? No
- [ ] Document update required? No
- [ ] Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests
are required?
- How it is tested? Please attach test report.
- Is it a performance related change? Please attach the performance
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change.
- [ ] For large changes, please consider breaking it into sub-tasks under
an umbrella JIRA.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Sssan520/carbondata droppreagg
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2619.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2619
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commit 7884ba86f13b89fb23895400bbac12eaa4e62546
Author: Sssan520 <liangap2008@...>
Date: 2018-08-08T06:27:41Z
[CARBONDATA-2819]Fixed cannot drop preagg datamap on table if the table has
other index datamaps
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