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Posted to derby-dev@db.apache.org by "Mamta A. Satoor (JIRA)" <ji...@apache.org> on 2007/04/24 23:09:15 UTC

[jira] Commented: (DERBY-2583) At code generation time, look at collation type to determine what kind of DVD should get generated for character types.

    [ https://issues.apache.org/jira/browse/DERBY-2583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12491455 ] 

Mamta A. Satoor commented on DERBY-2583:
----------------------------------------

Just finished committing the patch DERBY2583_generate_right_DVD_for_character_DTD_v1_diff.txt with revision 532082.

The derbyall suite ran fine. Junit tests are still running but so far no failure caused by the patch. 

> At code generation time, look at collation type to determine what kind of DVD should get generated for character types.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2583
>                 URL: https://issues.apache.org/jira/browse/DERBY-2583
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 10.3.0.0
>            Reporter: Mamta A. Satoor
>         Assigned To: Mamta A. Satoor
>         Attachments: DERBY2583_generate_right_DVD_for_character_DTD_v1_diff.txt, DERBY2583_generate_right_DVD_for_character_DTD_v1_stat.txt
>
>
> Currently, in Derby 10.2, we generate SQLChar/SQLVarchar/SQLLongvarchar/SQLClob for various SQL character types. All these DVDs have the default collation of UCS_BASIC. 
> Starting 10.3, we should look at the collation type of the DTD before deciding what kind of DVD gets generated for SQL character types.  If the collation type of the character type is terriotry based collation, then we should generate CollatorSQLChar/CollatorSQLVarchar/CollatorSQLLongvarchar/CollatorSQLClob rather than SQLChar/SQLVarchar/SQLLongvarchar/SQLClob. The CollatorSQLxxx DVDs will have the territory based collator associated with them and hence the collation order of these DVDs will be different than the DVDs with default collation of UCS_BASIC. 

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