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From "Kevin Sutter (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OPENJPA-407) Cache SQL (or closer precursors to SQL) more aggressively
Date Tue, 15 Jul 2008 19:33:31 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kevin Sutter updated OPENJPA-407:
---------------------------------

    Affects Version/s: 1.1.1
                       1.0.4
                       1.0.3
                       1.0.1
                       1.0.2
                       1.1.0
        Fix Version/s: 1.2.0

> Cache SQL (or closer precursors to SQL) more aggressively
> ---------------------------------------------------------
>
>                 Key: OPENJPA-407
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-407
>             Project: OpenJPA
>          Issue Type: Improvement
>          Components: jdbc, kernel, query, sql
>    Affects Versions: 0.9.0, 0.9.6, 0.9.7, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.1.0, 1.1.1
>            Reporter: Patrick Linskey
>             Fix For: 1.1.1, 1.2.0
>
>         Attachments: findBy.patch, OPENJPA-407.patch, OPENJPA-407.patch, OPENJPA-407.patch,
OPENJPA-407.patch, QuerySQLCache.doc
>
>
> When data is not available in the data cache, OpenJPA dynamically creates SQL to look
up the requested data. OpenJPA should more aggressively cache this SQL to accelerate pathways
from a cache miss to the database.
> The generated SQL takes a number of factors into account, including the requested records,
transaction status, currently-loaded data, and the current fetch configuration. Any caching
would need to account for these factors as well.

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