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https://issues.apache.org/jira/browse/HIVE-934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971438#action_12971438
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Adam Kramer commented on HIVE-934:
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Another option, provided by Greg, would be to actually disclose where this
number comes from. If it's an estimate based on something, have the message
read "estimated X lines based on Y."
> Rows loaded incorrect; should be suppressed.
> --------------------------------------------
>
> Key: HIVE-934
> URL: https://issues.apache.org/jira/browse/HIVE-934
> Project: Hive
> Issue Type: Bug
> Reporter: Adam Kramer
>
> For several queries, Hive reports "rows loaded" at the bottom, e.g.,
> 928955 Rows loaded to akramer_mem_updates2
> ...however, this number is not always correct. "Rows loaded" should be the
> same as the number of rows in the table after the table is created. In the
> above case, select count(1) from akramer_mem_updates2 returns 2649223; this
> is incorrect.
> This has been noted for a long time; the basic response to reports of this
> problem is "Yeah, rows loaded is wrong, you should ignore it." If this is so,
> it should stop being reported by Hive entirely (or it should only be reported
> in cases where it is correct).
> Or, it could be fixed. :)
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