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Posted to issues@carbondata.apache.org by "Jacky Li (JIRA)" <ji...@apache.org> on 2018/09/03 15:15:00 UTC

[jira] [Resolved] (CARBONDATA-2902) Fix showing negative pruning result for explain command

     [ https://issues.apache.org/jira/browse/CARBONDATA-2902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacky Li resolved CARBONDATA-2902.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.5.0

> Fix showing negative pruning result for explain command
> -------------------------------------------------------
>
>                 Key: CARBONDATA-2902
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2902
>             Project: CarbonData
>          Issue Type: Bug
>            Reporter: jiangmanhua
>            Assignee: jiangmanhua
>            Priority: Major
>             Fix For: 1.5.0
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
>  when CACHE_LEVEL is BLOCK or carbon data file is LegacyStore,   pruned result of default datamap are assigned with blocklet_id = -1, which means all blocklets in block need to be scanned. But explain command takes pruned result size as blocklets hit.
> If only 2 of 3 blocklet in one block is hit, negative pruning result  `1 (block) - 2(blocklet）= -1 ` occur



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