[jira] [Updated] (HIVE-15190) Field names are not preserved in ORC files written with ACID

["Anthony Hsu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-15190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anthony Hsu updated HIVE-15190:
-------------------------------
    Affects Version/s: 2.2.0

> Field names are not preserved in ORC files written with ACID
> ------------------------------------------------------------
>
>                 Key: HIVE-15190
>                 URL: https://issues.apache.org/jira/browse/HIVE-15190
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.1.0, 2.2.0
>            Reporter: Anthony Hsu
>            Assignee: Anthony Hsu
>
> To repro:
> {noformat}
> drop table if exists orc_nonacid;
> drop table if exists orc_acid;
> create table orc_nonacid (a int) clustered by (a) into 2 buckets stored as orc;
> create table orc_acid (a int) clustered by (a) into 2 buckets stored as orc TBLPROPERTIES('transactional'='true');
> insert into table orc_nonacid values(1), (2);
> insert into table orc_acid values(1), (2);
> {noformat}
> Running {{hive --service orcfiledump <file>}} on the files created by the {{insert}} statements above, you'll see that for {{orc_nonacid}}, the files have schema {{struct<a:int>}} whereas for {{orc_acid}}, the files have schema {{struct<operation:int,originalTransaction:bigint,bucket:int,rowId:bigint,currentTransaction:bigint,row:struct<_col0:int>>}}. The last field {{row}} should have schema {{struct<a:int>}}.



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