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From "Sergey Shelukhin (JIRA)" <>
Subject [jira] [Commented] (HIVE-16085) get path-to-alias, path-to-work etc recursively in Hive
Date Thu, 02 Mar 2017 03:08:45 GMT


Sergey Shelukhin commented on HIVE-16085:

[~ashutoshc] fyi; you might be the only expert in such obscure matters :) let me know if you
have any input

> get path-to-alias, path-to-work etc recursively in Hive
> -------------------------------------------------------
>                 Key: HIVE-16085
>                 URL:
>             Project: Hive
>          Issue Type: Task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-16085.WIP.patch
> Sometimes, we don't get correct alias/part desc/etc. from a split path because the path
has subdirectories - e.g. in HIVE-15870 (for MM tables).
> We have utility methods to work around that by getting the partdesc recursively from
the parents of a path, but they are not applied consistently; I suspect people add calls to
these methods after they discover some particular codepath is broken. Perhaps we should find
such places proactively for path-to-part, path-to-work, and path-to-alias maps.
> This can happen much more with MM tables, but can also happen for any recursive-path
cases (incl. just a regular recursive path read enabled via an MR config).

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