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https://issues.apache.org/jira/browse/CAY-2861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18105516#comment-18105516
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Nikita Timofeev commented on CAY-2861:
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Master is on Java 21 now, could upgrade freely
> Derby version upgrade
> ---------------------
>
> Key: CAY-2861
> URL: https://issues.apache.org/jira/browse/CAY-2861
> Project: Cayenne
> Issue Type: Improvement
> Components: Database integration
> Reporter: Nikita Timofeev
> Assignee: Nikita Timofeev
> Priority: Minor
> Fix For: 5.0-M3
>
> Attachments: Upgrade_Derby_to_10_15_2_0.patch
>
>
> Here are a few things to keep in mind:
> * there's only one particular version we could upgrade to: 10.15.2.0 as 10.16
> requires Java 17 and 10.17 requires Java 19
> * starting with 10.15 Derby requires additional dependency
> {{org.apache.derby:derbytools}} to use embedded driver
> * tests related to DB structure (all integration tests and specifically db
> import related) start to fail as constraint naming (or DDL queries
> validation) changed, and constraint names should always be quoted
> I'm attaching a patch with some experiments, but it's not ready yet
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