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https://issues.apache.org/jira/browse/TAJO-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14174738#comment-14174738
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ASF GitHub Bot commented on TAJO-1112:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/200#issuecomment-59467650
Hi @mvhlong,
Why don't you make a separate histogram implementation for each type? We
may need only three implementations for Long, Double, and byte []. They will
cover all value types. I think that this approach would be good in practice.
I have another question. Your proposed histogram implementation takes a
list of Double values. Does this approach takes all values at a time?
Otherwise, can we build a histogram in an incremental way?
> Implement histogram interface and a candidate histogram
> -------------------------------------------------------
>
> Key: TAJO-1112
> URL: https://issues.apache.org/jira/browse/TAJO-1112
> Project: Tajo
> Issue Type: Sub-task
> Reporter: Long Mvh
> Assignee: Long Mvh
>
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