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https://issues.apache.org/jira/browse/HIVE-12727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15124535#comment-15124535
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Lefty Leverenz commented on HIVE-12727:
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Doc note: This deprecates *hive.mapred.mode* in 2.0.0, changing its default
value back to nonstrict after HIVE-12413 changed it to strict in the same
release, and adds three new configuration parameters to replace
*hive.mapred.mode* (*hive.strict.checks.large.query* with default false,
*hive.strict.checks.type.safety* with default true, and
*hive.strict.checks.cartesian.product* with default true), so I added a
TODOC2.0 label.
The parameter changes should be documented in the wiki here:
* [Configuration Properties -- hive.mapred.mode |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.mapred.mode]
> refactor Hive strict checks to be more granular, allow order by no limit and
> no partition filter by default for now
> -------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-12727
> URL: https://issues.apache.org/jira/browse/HIVE-12727
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Blocker
> Labels: TODOC2.0
> Fix For: 2.0.0, 2.1.0
>
> Attachments: HIVE-12727.01.patch, HIVE-12727.02.patch,
> HIVE-12727.03.patch, HIVE-12727.04.patch, HIVE-12727.05.patch,
> HIVE-12727.06.patch, HIVE-12727.07.patch, HIVE-12727.patch
>
>
> Making strict mode the default recently appears to have broken many normal
> queries, such as some TPCDS benchmark queries, e.g. Q85:
> Response message: org.apache.hive.service.cli.HiveSQLException: Error while
> compiling statement: FAILED: SemanticException [Error 10041]: No partition
> predicate found for Alias "web_sales" Table "web_returns"
> We should remove this restriction from strict mode, or change the default
> back to non-strict. Perhaps make a 3-value parameter, nonstrict, semistrict,
> and strict, for backward compat for people who are relying on strict already.
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