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https://issues.apache.org/jira/browse/HIVE-2453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13106889#comment-13106889
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Kevin Wilfong commented on HIVE-2453:
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I'm abandoning this change.
In order to determine if a script is used in the mapper or reducer, I believe I
would need to go through all the Map Reduce tasks' operators looking for
Transform operators. That's more work than I would like to perform for a
feature which most users probably won't use, so I would add that to a hook. As
long as I have to do that work in a hook in order to get that classification, I
can get the other categorizations with minimal additional effort.
> Need a way to categorize queries in hooks for improved logging
> --------------------------------------------------------------
>
> Key: HIVE-2453
> URL: https://issues.apache.org/jira/browse/HIVE-2453
> Project: Hive
> Issue Type: Improvement
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Attachments: HIVE-2453.1.patch.txt
>
>
> We need a way to categorize queries, such as whether or not the include a
> join clause, a group by clause, etc., in the hooks. This will allow for
> better performance logging.
> Currently the only way I can find is to go through the operators in the
> tasks, but which operators are used for the different types of queries may
> change over time.
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