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Posted to derby-dev@db.apache.org by "Knut Anders Hatlen (JIRA)" <ji...@apache.org> on 2012/12/28 09:04:13 UTC
[jira] [Commented] (DERBY-4259) Provide public database property
for determining database format version
[ https://issues.apache.org/jira/browse/DERBY-4259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540382#comment-13540382 ]
Knut Anders Hatlen commented on DERBY-4259:
-------------------------------------------
In DERBY-5818 it was suggested that simply documenting DataDictionaryVersion would be a fine start. Documenting a property that follows a non-standard naming convention probably doesn't add a lot more entropy than adding a new property with the same function would.
> Provide public 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: Services
> Affects Versions: 10.6.1.0
> Reporter: Kathey Marsden
> Priority: Minor
>
> 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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