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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] Closed: (DERBY-2578) Change CurrentDatetimeOperatorNode to use ExpressionClassBuilder to generate code for DVD rather than going directly though TypeCompiler
Date Tue, 01 May 2007 21:48:15 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mamta A. Satoor closed DERBY-2578.
----------------------------------


> Change CurrentDatetimeOperatorNode to use ExpressionClassBuilder to generate code for
DVD rather than going directly though TypeCompiler
> ----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2578
>                 URL: https://issues.apache.org/jira/browse/DERBY-2578
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.3.0.0
>            Reporter: Mamta A. Satoor
>         Assigned To: Mamta A. Satoor
>             Fix For: 10.3.0.0
>
>         Attachments: DERBY2557_getObject_Using_CollationType_FormatID_interface_on_DVF_v1_diff.txt,
DERBY2557_getObject_Using_CollationType_FormatID_interface_on_DVF_v1_stat.txt
>
>
> I am starting to think about the code generation for DERBY-1478 language based ordering.
Depending on the collation type of the DTD, we might want to generate CollatorSQLChar rather
than SQLChar for instance. In order to centralize this code, I am changing CurrentDatetimeOperatorNode's
generateExpression so that it goes through ExpressionClassBuilder.generateDataValue rather
than doing TypeCompiler.generateDataValue. This way, hopefully, I will only have to change
 ExpressionClassBuilder.generateDataValue to take care of the collation dependency of DVD
generation. All the other classes which need to generate a DVD already go through ExpressionClassBuilder.generateDataValue.
Will commit the patch for this soon. The tests have passed with no new failures.

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