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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2557) Provide a new interface on DataValueFactory(DVF) called getInstanceUsingFormatIdAndCollationType(formatId, collationType). This api will replace similar code in Monitor.
Date Wed, 18 Apr 2007 05:17:15 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mamta A. Satoor updated DERBY-2557:
-----------------------------------

    Attachment: DERBY2535_Return_Collator_api_On_DVD_v1_stat.txt
                DERBY2535_Return_Collator_api_On_DVD_v1_diff.txt

The previous patch for DERBY-2557 (DERBY2557_getObject_Using_CollationType_FormatID_interface_on_DVF_v1_diff.txt)
 (committed using revision 529697) had a bug in it. After getting a collation sensitive DVD,
the new method on DVF (getInstanceUsingFormatIdAndCollationType) was still returning the DVD
with UCS_BASIC collation. Patch(DERBY2535_Return_Collator_api_On_DVD_v1_diff.txt) (committed
using revision 529866) fixes that problem. 

> Provide a new interface on DataValueFactory(DVF) called getInstanceUsingFormatIdAndCollationType(formatId,
collationType). This api will replace similar code in Monitor.
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2557
>                 URL: https://issues.apache.org/jira/browse/DERBY-2557
>             Project: Derby
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 10.3.0.0
>            Reporter: Mamta A. Satoor
>         Assigned To: Mamta A. Satoor
>         Attachments: DERBY2535_Return_Collator_api_On_DVD_v1_diff.txt, DERBY2535_Return_Collator_api_On_DVD_v1_stat.txt,
DERBY2557_getObject_Using_CollationType_FormatID_interface_on_DVF_v1_diff.txt, DERBY2557_getObject_Using_CollationType_FormatID_interface_on_DVF_v1_stat.txt
>
>
> Provide a new interface, called getInstanceUsingFormatIdAndCollationType(formatId, collationType)
on DVF. Store will call this interface to create empty DVD objects and then load these DVD
objects using readExternal. For performance efficiency, when Store needs more of the same
base DVD, then on subsequent needs, it will call DVD.getNewNull rather than calling DVF.getInstanceUsingFormatIdAndCollationType
again. This work is required for DERBY-2537.

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