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From "Takahiko Saito (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13777) NPE is thrown when select table after change column from string to decimal
Date Wed, 18 May 2016 17:46:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Takahiko Saito updated HIVE-13777:
----------------------------------
    Target Version/s: 2.1.0  (was: 1.2.1, 2.1.0)

> NPE is thrown when select table after change column from string to decimal
> --------------------------------------------------------------------------
>
>                 Key: HIVE-13777
>                 URL: https://issues.apache.org/jira/browse/HIVE-13777
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.1.0
>            Reporter: Takahiko Saito
>
> Run the followings to change a column from string to decimail:
> {noformat}
> drop table if exists shcemaevo_vectorization_true_disallowincompatible_false_fileformat_orc_string_decimal;
> create table shcemaevo_vectorization_true_disallowincompatible_false_fileformat_orc_string_decimal
stored as orc as select s, s_dc from schemaevo;
> alter table shcemaevo_vectorization_true_disallowincompatible_false_fileformat_orc_string_decimal
change column s_dc s_dc decimal(12,4);
> select count(*) from shcemaevo_vectorization_true_disallowincompatible_false_fileformat_orc_string_decimal;
> {noformat}
> select count works fine but just select throws NPE:
> {noformat}
> 0: jdbc:hive2://os-r6-0517-hiveserver2-1-1.op> select count(*) from shcemaevo_vectorization_true_disallowincompatible_false_fileformat_orc_string_decimal;
> +---------+--+
> |   c0    |
> +---------+--+
> | 100000  |
> +---------+--+
> 1 row selected (13.856 seconds)
> 0: jdbc:hive2://os-r6-0517-hiveserver2-1-1.op> select * from shcemaevo_vectorization_true_disallowincompatible_false_fileformat_orc_string_decimal;
> Error: java.io.IOException: java.lang.NullPointerException (state=,code=0)
> {noformat}



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