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From "Kevin Wilfong (Commented) (JIRA)" <>
Subject [jira] [Commented] (HIVE-2960) Stop testing concat of partitions containing control characters.
Date Tue, 17 Apr 2012 23:56:18 GMT


Kevin Wilfong commented on HIVE-2960:

Attached escape2.q.out because the diff for some reason thought it was a binary file.
> Stop testing concat of partitions containing control characters.
> ----------------------------------------------------------------
>                 Key: HIVE-2960
>                 URL:
>             Project: Hive
>          Issue Type: Test
>            Reporter: Kevin Wilfong
>            Assignee: Kevin Wilfong
>         Attachments: HIVE-2960.D2865.1.patch, escape2.q.out
> We have been, for a short while, testing to make sure that concatenation commands work
with partitions that contain ASCII control characters.  This happened to work up until recently
due to a happy coincidence in the way the Hive object's HiveConf was updated.  Namely, it
was updated often enough that it got configs set by the user, but not so often that it got
the value for hive.query.string.  With some recent changes, it now needs to be updated more
often, see
> This breaks the process of launching a job to merge partitions that contain ASCII control
characters.  The job conf is constructed using the updated Hive conf containing the value
of hive.query.string which contains ASCII control characters.  When the job conf is converted
to XML it fails because these characters are illegal.  Given that any query has, even prior
to this change, failed when that query contained ASCII control characters, and hence these
partitions cannot be queried directly, it seems reasonable to no longer support concatenating
them either (which this change will allow for).

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