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https://issues.apache.org/jira/browse/HIVE-5718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087242#comment-14087242
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Lefty Leverenz commented on HIVE-5718:
--------------------------------------
Doc note: This is mentioned in the wiki as unfinished work, so the wiki should
be revised when this is committed.
* [Configuration Properties -- hive.fetch.task.conversion |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.conversion]
{quote}
*hive.fetch.task.conversion*
Supported values are minimal and more.
1. minimal: SELECT *, FILTER on partition columns (WHERE and HAVING clauses),
LIMIT only
2. more: SELECT, FILTER, LIMIT only (including TABLESAMPLE, virtual columns)
"more" can take any kind of expressions in the SELECT clause, including UDFs.
*(UDTFs and lateral views are not yet supported – see HIVE-5718.)*
{quote}
> Support direct fetch for lateral views, sub queries, etc.
> ---------------------------------------------------------
>
> Key: HIVE-5718
> URL: https://issues.apache.org/jira/browse/HIVE-5718
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: D13857.1.patch, D13857.2.patch, D13857.3.patch,
> HIVE-5718.4.patch.txt, HIVE-5718.5.patch.txt, HIVE-5718.6.patch.txt
>
>
> Extend HIVE-2925 with LV and SubQ.
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