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https://issues.apache.org/jira/browse/TAJO-118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-118:
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Attachment: TAJO-118_2.patch
That's really great work! Thank you for your contribution.
However, the first patch has some bug in the case where some columns are pushed
down into scan node. So, I added the unit test that causes that case and fixed
the bug. I've uploaded the updated patch.
Thank you!
> Refactor and Improve text file Scanner
> --------------------------------------
>
> Key: TAJO-118
> URL: https://issues.apache.org/jira/browse/TAJO-118
> Project: Tajo
> Issue Type: Improvement
> Components: storage
> Reporter: Jinho Kim
> Assignee: Jinho Kim
> Fix For: 0.2-incubating
>
> Attachments: TAJO-118_2.patch, TAJO-118.patch
>
>
> This will be reduce the execution time
> * Implement column projection
> * Change the split function to the apache StringUtils
> * Improve slow codes
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