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https://issues.apache.org/jira/browse/HIVE-3401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13527780#comment-13527780
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Phabricator commented on HIVE-3401:
-----------------------------------
njain has commented on the revision "HIVE-3401 [jira] Diversify grammar for
split sampling".
INLINE COMMENTS
ql/src/test/queries/clientpositive/split_sample.q:95 i think so - if there
are existing tables with a column named 'rows', they can always
be accessed by `rows` (backtick rows)
REVISION DETAIL
https://reviews.facebook.net/D4821
To: JIRA, navis
Cc: njain
> Diversify grammar for split sampling
> ------------------------------------
>
> Key: HIVE-3401
> URL: https://issues.apache.org/jira/browse/HIVE-3401
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-3401.D4821.2.patch, HIVE-3401.D4821.3.patch,
> HIVE-3401.D4821.4.patch, HIVE-3401.D4821.5.patch, HIVE-3401.D4821.6.patch
>
>
> Current split sampling only supports grammar like TABLESAMPLE(n PERCENT). But
> some users wants to specify just the size of input. It can be easily
> calculated with a few commands but it seemed good to support more grammars
> something like TABLESAMPLE(500M).
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