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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8848) data loading from text files or text file processing doesn't handle nulls correctly
Date Tue, 25 Nov 2014 06:28:16 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Navis updated HIVE-8848:
------------------------
    Attachment: HIVE-8848.3.patch.txt

Updated results & Added more null handling for lazy array, map, structs and subclasses
of them.

> data loading from text files or text file processing doesn't handle nulls correctly
> -----------------------------------------------------------------------------------
>
>                 Key: HIVE-8848
>                 URL: https://issues.apache.org/jira/browse/HIVE-8848
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-8848.01.patch, HIVE-8848.2.patch.txt, HIVE-8848.3.patch.txt,
HIVE-8848.patch
>
>
> I am not sure how nulls are supposed to be stored in text tables, but after loading some
data with "null" or "NULL" strings, or x00 characters, we get bunch of annoying logging from
LazyPrimitive that data is not in INT format and was converted to null, with data being "null"
(string saying "null", I assume from the code).
> Either load should load them as nulls, or there should be some defined way to load nulls.



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