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https://issues.apache.org/jira/browse/DERBY-3551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581020#action_12581020
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V.Narayanan commented on DERBY-3551:
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>"Check if any unlogged operations are currently running, if yes unfreeze and
>throw an exception
>saying that replication cannot be started since the database has unlogged
>operations running"
Not sure if we should unfreeze or just throw an exception informing an user
about the unlogged
operations and let the user unfreeze the database
> Implement procedure SYSCS_UTIL.SYSCS_PREPARE_REPLICATION()
> ----------------------------------------------------------
>
> Key: DERBY-3551
> URL: https://issues.apache.org/jira/browse/DERBY-3551
> Project: Derby
> Issue Type: Sub-task
> Components: Replication
> Affects Versions: 10.4.0.0, 10.5.0.0
> Reporter: V.Narayanan
> Assignee: V.Narayanan
> Attachments: Derby3551_1.diff, Derby3551_1.stat
>
>
> Jorgen says-
> I suggest that the replication step in which the master database is frozen is
> replaced by a new system procedure to solve index and import:
> Old: SYSCS_UTIL.SYSCS_FREEZE_DATABASE()
> New: SYSCS_UTIL.SYSCS_PREPARE_REPLICATION()
> The new system procedure should:
> 1) Freeze the database
> 2) Check if there are any ongoing transactions with unlogged operations. If
> so - unfreeze and abort. Otherwise:
> 3) Enable logging of unlogged operations
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