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https://issues.apache.org/jira/browse/DERBY-4259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13562700#comment-13562700
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Rick Hillegas commented on DERBY-4259:
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Thanks, Kim. This looks good. I recommend adding some more verbiage to punch up
the fact that this is the rev level of the data on disk, not the rev level of
the Derby jar files.
rrefproperdatadictversion
I would re-word the first paragraph slightly:
"Shows the version of the on-disk data in the database. This is the first two
(major and minor) numbers in a Derby release identifier. For newly created
databases, this is the release identifier of the Derby engine jar used to
create the database. For hard-upgraded databases, this is the release
identifier of the Derby engine jar used to hard-upgrade the database."
Thanks,
-Rick
> Document database property for determining database format version
> ------------------------------------------------------------------
>
> Key: DERBY-4259
> URL: https://issues.apache.org/jira/browse/DERBY-4259
> Project: Derby
> Issue Type: Improvement
> Components: Documentation
> Affects Versions: 10.6.1.0
> Reporter: Kathey Marsden
> Assignee: Kim Haase
> Priority: Minor
> Attachments: DERBY-4259.diff, DERBY-4259.stat, DERBY-4259.zip
>
>
> It would be useful to have a public interface for determining the database
> format when running in soft upgrade mode. In the derby-user thread:
> http://www.nabble.com/Hard-upgrade-failing--td23826558.html#a23835534
> Evan pointed out he was using an undocumented property
> 'DataDictionaryVersion' for this purpose, but this is not ideal because it
> does not conform to the normal derby.* naming convention and is not
> documented.
> Discussion in DERBY-4255 determined that there are not currently
> DatabaseMetaData methods that achieve the same result.
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