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https://issues.apache.org/jira/browse/ARTEMIS-975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17015985#comment-17015985
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Benjamin Graf commented on ARTEMIS-975:
---------------------------------------
[~jbertram]: I'm actually trying to reproduce. It's quite a long time ago.
Actually facing a new bug for using with mysql for query "append-to-file=SELECT
DATA FROM %s WHERE ID=? FOR UPDATE". Could be solved by adding ID (primary key
as requested by driver!) "append-to-file=SELECT DATA, *ID* FROM %s WHERE ID=?
FOR UPDATE"
> Reading messages from page causes lost entries in db backend
> ------------------------------------------------------------
>
> Key: ARTEMIS-975
> URL: https://issues.apache.org/jira/browse/ARTEMIS-975
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.0.0
> Reporter: Benjamin Graf
> Priority: Major
> Attachments: screenshot-1.png
>
>
> Consuming messages from pages with a db as persistence backend leaves commit
> records in message_table which doesn't get cleaned up. Seems that depaging
> does not add txids to internal map.
> SQL script for cleanup (no known side effect):
> {code}
> DELETE
> FROM MESSAGE_TABLE
> WHERE txid IN
> (SELECT txid
> FROM
> (SELECT count(*) AS cnt,
> txid
> FROM MESSAGE_TABLE
> WHERE txid IN
> (SELECT txid
> FROM MESSAGE_TABLE
> WHERE recordtype = 18)
> GROUP BY txid)AS m
> WHERE m.cnt=1)
> {code}
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