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https://issues.apache.org/jira/browse/DERBY-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560186#action_12560186
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Kathey Marsden commented on DERBY-3257:
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Thanks Army for looking at this issue. I ran lang._Suite with the patch and see
an interesting symptom that some queries are now throwing a 42X24 exception.
e.g. in aggregate.sql
select c1 from t1
group by c1
having max(c2) in (select c1 from t2);
ERROR 42X24: Column C1 is referenced in the HAVING clause but is not in the
GROUP BY list.
Thanks for the jump start though. I will investigate what is going on with
this error with the patch.
> 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
> Components: SQL
> Affects Versions: 10.3.1.4, 10.3.2.1, 10.4.0.0
> Reporter: Stan Bradbury
> Attachments: d3257_doNOTCommit.patch, derby-3257_plan_10.2.txt,
> derby-3257_plan_10.4.txt, 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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