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From "A B (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3257) SELECT with HAVING clause containing OR conditional incorrectly return 1 row - should return 2 rows - works correctly with 10.2 DB
Date Thu, 06 Dec 2007 17:02:02 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549097
] 

A B commented on DERBY-3257:
----------------------------

Thanks for the reproducible program, Stan.  The test returns correct results before svn #
516454 (for DERBY-681), but returns incorrect results after.  So it appears that DERBY-681
is at least partially at play here.  Early (incremental) changes for DERBY-47 might also be
a factor, but I haven't confirmed one way or the other.

> SELECT with HAVING clause containing OR conditional incorrectly return 1 row - should
return 2 rows - works correctly with 10.2 DB
> ----------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3257
>                 URL: https://issues.apache.org/jira/browse/DERBY-3257
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.3.1.4, 10.3.1.5, 10.4.0.0
>            Reporter: Stan Bradbury
>         Attachments: TestHaving.java
>
>
> Attached program demonstrates the problem.  Only one count is returned (matching CODE=
GBR) - the count of CODE=CHA is not returned.  Works fine with versions 10.1 and 10.2 or if
program is run using 10.3 jars and 10.2 database (soft upgrade).
> Query:
> SELECT COUNT(t0.ID) FROM CTS1.TEST_TABLE t0 
>   GROUP BY t0.CODE 
>     HAVING (t0.CODE = 'GBR' OR t0.CODE = 'CHA') AND t0.CODE IS NOT NULL
> Incorrect results (see last line):
> Database product: Apache Derby
> Database version: 10.3.1.5 - (579866)
> Driver name:      Apache Derby Embedded JDBC Driver
> Driver version:   10.3.1.5 - (579866)
> result: 2
> Correct results:
> Database product: Apache Derby
> Database version: 10.2.2.0 - (485682)
> Driver name:      Apache Derby Embedded JDBC Driver
> Driver version:   10.2.2.0 - (485682)
> result: 4
> result: 2

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