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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/05/30 04:09:52 UTC
[GitHub] [incubator-doris] englefly opened a new issue, #9846: [Enhancement] there is redundant column in scannode
englefly opened a new issue, #9846:
URL: https://github.com/apache/incubator-doris/issues/9846
### Search before asking
- [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues.
### Description
mysql> explain verbose select count(*) from lineorder where lo_quantity<25;
There are two columns (lo_custkey and lo_quantity) in scan_node plan. However, scan on lo_custkey is unnecessary.
### Solution
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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[GitHub] [doris] englefly commented on issue #9846: [Enhancement] there is redundant column in scannode
Posted by GitBox <gi...@apache.org>.
englefly commented on issue #9846:
URL: https://github.com/apache/doris/issues/9846#issuecomment-1174815579
done https://github.com/apache/doris/pull/10615
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[GitHub] [incubator-doris] morrySnow commented on issue #9846: [Enhancement] there is redundant column in scannode
Posted by GitBox <gi...@apache.org>.
morrySnow commented on issue #9846:
URL: https://github.com/apache/incubator-doris/issues/9846#issuecomment-1141602662
This is related to column pruner. Some work has already been done on join node (#8618). However, in current framework, we still have a lot of work to do to get accurate column prune capabilities.
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[GitHub] [doris] englefly closed issue #9846: [Enhancement] there is redundant column in scannode
Posted by GitBox <gi...@apache.org>.
englefly closed issue #9846: [Enhancement] there is redundant column in scannode
URL: https://github.com/apache/doris/issues/9846
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[GitHub] [doris] Kikyou1997 commented on issue #9846: [Enhancement] there is redundant column in scannode
Posted by GitBox <gi...@apache.org>.
Kikyou1997 commented on issue #9846:
URL: https://github.com/apache/doris/issues/9846#issuecomment-1179650287
> done #10615
This issue should be reopened now, This PR #10615 has some memory problems which was triggerred on TPC-DS tests as described in issue #10725.
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