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https://issues.apache.org/jira/browse/CASSANDRA-14209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrés de la Peña updated CASSANDRA-14209:
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    Reviewer: Andrés de la Peña

> group by select queries query results differ when using select * vs select 
> fields
> ---------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14209
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14209
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Digant Modha
>            Assignee: Benjamin Lerer
>            Priority: Minor
>         Attachments: Re group by select queries.txt
>
>
> {{I get two different out with these 2 queries.  The only difference between 
> the 2 queries is that one does ‘select *’ and other does ‘select specific 
> fields’ without any aggregate functions.}}
> {{I am using Apache Cassandra 3.10.}}
> {{Consistency level set to LOCAL_QUORUM.}}
> {{cassandra@cqlsh> select * from wp.position where account_id = 'user_1';}}
> {{ account_id | security_id | counter | avg_exec_price | pending_quantity | 
> quantity | transaction_id | update_time}}
> {{------------+-------------+---------+----------------+------------------+----------+----------------+---------------------------------}}
> {{ user_1 | AMZN | 2 | 1239.2 | 0 | 1011 | null | 2018-01-25 
> 17:18:07.158000+0000}}
> {{ user_1 | AMZN | 1 | 1239.2 | 0 | 1010 | null | 2018-01-25 
> 17:18:07.158000+0000}}
> {{(2 rows)}}
> {{cassandra@cqlsh> select * from wp.position where account_id = 'user_1' 
> group by security_id;}}
> {{ account_id | security_id | counter | avg_exec_price | pending_quantity | 
> quantity | transaction_id | update_time}}
> {{------------+-------------+---------+----------------+------------------+----------+----------------+---------------------------------}}
> {{ user_1 | AMZN | 1 | 1239.2 | 0 | 1010 | null | 2018-01-25 
> 17:18:07.158000+0000}}
> {{(1 rows)}}
> {{cassandra@cqlsh> select account_id,security_id, counter, 
> avg_exec_price,quantity, update_time from wp.position where account_id = 
> 'user_1' group by security_id ;}}
> {{ account_id | security_id | counter | avg_exec_price | quantity | 
> update_time}}
> {{------------+-------------+---------+----------------+----------+---------------------------------}}
> {{ user_1 | AMZN | 2 | 1239.2 | 1011 | 2018-01-25 17:18:07.158000+0000}}
> {{(1 rows)}}
> {{Table Description:}}
> {{CREATE TABLE wp.position (}}
> {{ account_id text,}}
> {{ security_id text,}}
> {{ counter bigint,}}
> {{ avg_exec_price double,}}
> {{ pending_quantity double,}}
> {{ quantity double,}}
> {{ transaction_id uuid,}}
> {{ update_time timestamp,}}
> {{ PRIMARY KEY (account_id, security_id, counter)}}
> {{) WITH CLUSTERING ORDER BY (security_id ASC, counter DESC)}}{{ }}



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