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https://issues.apache.org/jira/browse/DERBY-1478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12471023
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Rick Hillegas commented on DERBY-1478:
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Thanks, Mamta and Dan, for clarifying what the SQL Standard says here and for
spelling out the issues with our implementation. In order to support SQL
collations in the future, we will need to be careful to design this so that it
will be clear that the string columns in the system catalogs have a different
collation than user-defined string columns.
> Add built in language based ordering and like processing to Derby
> -----------------------------------------------------------------
>
> Key: DERBY-1478
> URL: https://issues.apache.org/jira/browse/DERBY-1478
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.1.2.1
> Reporter: Kathey Marsden
> Assigned To: Mamta A. Satoor
> Attachments: DERBY-1478_FunctionalSpecV1.html
>
>
> It would be good for Derby to have built in Language based ordering based on
> locale specific Collator.
> Language based ordering is an important feature for international deployment.
> DERBY-533 offers one implementation option for this but according to the
> discussion in that issue National Character Types carry a fair amount of
> baggage with them especially in the form of concerns about conversion to
> and from datetime and number types. Rick mentioned SQL language for
> collations as an option for language based ordering. There may be other
> options too, but I thought it worthwhile to add an issue for the high level
> functional concern, so the best choice can be made for implementation without
> assuming that National Character Types is the only solution.
> For possible 10.1 workaround and examples see:
> http://wiki.apache.org/db-derby/LanguageBasedOrdering
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