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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4001) Sequence comparison with "ALL" does not yield correct results
Date Fri, 17 Apr 2009 10:19:15 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Knut Anders Hatlen updated DERBY-4001:

    Attachment: d4001-1a-test.diff

Attaching a patch - d4001-1a-test.diff - which adds a (not yet enabled) test for this bug.
I've written test cases for all the problematic cases I've found. All the queries (except
two which I included for completeness and marked with a comment) fail without the fixes suggested
in an earlier comment. The test checks both that the correct rows are returned and whether
or not the queries are flattened.

Committed revision 765930.

> Sequence comparison with "ALL" does not yield correct results
> -------------------------------------------------------------
>                 Key: DERBY-4001
>                 URL: https://issues.apache.org/jira/browse/DERBY-4001
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions:
>         Environment: Windows
>            Reporter: Venkateswaran Iyer
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: d4001-1a-test.diff, dontFlatten.diff
> A query involving "< ALL" does not yield the right results for decimal datatype. "<
ANY" works, though.
> To reproduce the issue:
> % create table t1(col1 decimal(10,5));
> % insert into t1 values (-21483.64800);
> % insert into t1 values (74837.00000);
> % select col1 from t1 where col1 < ALL (select 0.0 from t1);
> The above yields no results whereas it should return the first row.

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