phoenix-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-4139) Incorrect query result for trailing duplicate GROUP BY expression
Date Sat, 10 Mar 2018 05:19:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-4139?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Taylor updated PHOENIX-4139:
----------------------------------
    Summary: Incorrect query result for trailing duplicate GROUP BY expression   (was: select
distinct with identical aggregations return weird values )

> Incorrect query result for trailing duplicate GROUP BY expression 
> ------------------------------------------------------------------
>
>                 Key: PHOENIX-4139
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4139
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.12.0
>         Environment: minicluster
>            Reporter: Csaba Skrabak
>            Assignee: Csaba Skrabak
>            Priority: Minor
>             Fix For: 4.14.0
>
>         Attachments: PHOENIX-4139.patch, PHOENIX-4139_v2.patch, PHOENIX-4139_v3.patch
>
>
> From sme-hbase hipchat room:
> Pulkit Bhardwaj·10:31
> i'm seeing a weird issue with phoenix, appreciate some thoughts
> Created a simple table in phoenix
> {noformat}
> 0: jdbc:phoenix:> create table test_select(nam VARCHAR(20), address VARCHAR(20), id
BIGINT
> . . . . . . . . > constraint my_pk primary key (id));
> 0: jdbc:phoenix:> upsert into test_select (nam, address,id) values('pulkit','badaun',1);
> 0: jdbc:phoenix:> select * from test_select;
> +---------+----------+-----+
> |   NAM   | ADDRESS  | ID  |
> +---------+----------+-----+
> | pulkit  | badaun   | 1   |
> +---------+----------+-----+
> 0: jdbc:phoenix:> select distinct 'harshit' as "test_column", nam from test_select;
> +--------------+---------+
> | test_column  |   NAM   |
> +--------------+---------+
> | harshit      | pulkit  |
> +--------------+---------+
> 0: jdbc:phoenix:> select distinct 'harshit' as "test_column", trim(nam), trim(nam)
from test_select;
> +--------------+----------------+----------------+
> | test_column  |   TRIM(NAM)    |   TRIM(NAM)    |
> +--------------+----------------+----------------+
> | harshit      | pulkitpulkit  | pulkitpulkit  |
> +--------------+----------------+----------------+
> {noformat}
> When I apply a trim on the nam column and use it multiple times, the output has the cell
data duplicated!
> {noformat}
> 0: jdbc:phoenix:> select distinct 'harshit' as "test_column", trim(nam), trim(nam),
trim(nam) from test_select;
> +--------------+-----------------------+-----------------------+-----------------------+
> | test_column  |       TRIM(NAM)       |      
TRIM(NAM)       |       TRIM(NAM)       |
> +--------------+-----------------------+-----------------------+-----------------------+
> | harshit      | pulkitpulkitpulkit  | pulkitpulkitpulkit  | pulkitpulkitpulkit  |
> +--------------+-----------------------+-----------------------+-----------------------+
> {noformat}
> Wondering if someone has seen this before??
> One thing to note is, if I remove the —— distinct 'harshit' as "test_column" ——  The
issue is not seen
> {noformat}
> 0: jdbc:phoenix:> select trim(nam), trim(nam), trim(nam) from test_select;
> +------------+------------+------------+
> | TRIM(NAM)  | TRIM(NAM)  | TRIM(NAM)  |
> +------------+------------+------------+
> | pulkit     | pulkit     | pulkit     |
> +------------+------------+------------+
> {noformat}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Mime
View raw message