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https://issues.apache.org/jira/browse/DERBY-6909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Pendleton updated DERBY-6909:
-----------------------------------
Attachment: derby.log
Attached 'derby.log' contains the 4 different SELECT queries,
run with derby.language.logQueryPlan=true.
> Invalid grouping by multiple columns when use function (Apache Derby
> 10.10.2.0)
> -------------------------------------------------------------------------------
>
> Key: DERBY-6909
> URL: https://issues.apache.org/jira/browse/DERBY-6909
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Reporter: Boris Brinza
> Priority: Minor
> Labels: queries
> Attachments: derby.log
>
>
> Create table TEST:
> create table TEST (name varchar(10), label varchar(10));
> insert into TEST values ('johnny', 'label_1');
> insert into TEST values ('johnny', 'label_2');
> These queries returns 2 rows 'JOHNNY':
> select upper(name) from TEST group by name, label
> select upper(name) from TEST group by upper(name), label
> When grouping is changed this way, query returns only 1 row 'JOHNNY':
> select upper(name) from TEST group by upper(name), upper(label)
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