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https://issues.apache.org/jira/browse/HIVE-14143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15360012#comment-15360012
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Pengcheng Xiong commented on HIVE-14143:
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[~nemon], thanks a lot for your explanation. I think current assumption that
"empty column ids means read all columns" is confusing and misleading. I would
prefer the following assumption:
{code}
getNeededColumnIDs==null or empty ===means==> do not need any columns
{code}
If you agree, could you please change the code accordingly? Thanks.
> RawDataSize of RCFile is zero after analyze
> --------------------------------------------
>
> Key: HIVE-14143
> URL: https://issues.apache.org/jira/browse/HIVE-14143
> Project: Hive
> Issue Type: Bug
> Components: Statistics
> Affects Versions: 1.2.1, 2.1.0
> Reporter: Nemon Lou
> Assignee: Nemon Lou
> Priority: Minor
> Attachments: HIVE-14143.patch
>
>
> After running the following analyze command ,rawDataSize becomes zero for
> rcfile tables.
> {noformat}
> analyze table RCFILE_TABLE compute statistics ;
> {noformat}
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