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https://issues.apache.org/jira/browse/OPENJPA-407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fay Wang updated OPENJPA-407:
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Attachment: OPENJPA-407.patch
Per Patrick's suggestions, this patch removes the equals() and hashCode()
methods from JDBCFetchConfigurationImpl into the inner cache key class
(SelectKey class) . It also sets fetchGroupContainsDefault to true in
FetchConfigurationImpl.clearFetchGroups().
> 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
> Reporter: Patrick Linskey
> Fix For: 1.1.0
>
> 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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