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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4204) Runtime statistics not collected on re-execution of statement
Date Thu, 14 May 2009 15:00:45 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Pendleton updated DERBY-4204:
-----------------------------------

    Attachment: addXPLAINTestUsingCOUNT.diff

Revised the new test slightly to make it more compact, by issuing
a COUNT query and using JDBC.assertFullResultSet to check the result.

> Runtime statistics not collected on re-execution of statement
> -------------------------------------------------------------
>
>                 Key: DERBY-4204
>                 URL: https://issues.apache.org/jira/browse/DERBY-4204
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.1.4
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: addXPLAINTest.diff, addXPLAINTestUsingCOUNT.diff, d4204.diff, repro.sql,
test.diff
>
>
> Runtime statistics are only collected the first time an insert/update/delete statement
is executed. The behaviour changed between Derby 10.2.2.0 and Derby 10.3.1.4, so this was
likely introduced by DERBY-827.
> Reported on derby-dev:
> http://mail-archives.apache.org/mod_mbox/db-derby-dev/200904.mbox/%3c8a0216de0904291334j4bc715c3s6d46fb65e5953659@mail.gmail.com%3e

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