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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4843) Consult isPoolable hint before caching prepared statement
Date Wed, 13 Oct 2010 12:16:32 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12920510#action_12920510
] 

Knut Anders Hatlen commented on DERBY-4843:
-------------------------------------------

Prepared statements are initialized with poolable == true, right? In that case it sounds reasonable
to skip statements that have the hint set to false, since that means the user has explicitly
called setPoolable(false).

> Consult isPoolable hint before caching prepared statement
> ---------------------------------------------------------
>
>                 Key: DERBY-4843
>                 URL: https://issues.apache.org/jira/browse/DERBY-4843
>             Project: Derby
>          Issue Type: Improvement
>          Components: Network Client
>    Affects Versions: 10.4.2.0, 10.5.3.0, 10.6.2.1, 10.7.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>            Priority: Trivial
>
> The Derby  JDBC client side statement cache should consult the value of the isPoolable
hint before caching prepared statements.
> This will give users the ability to avoid that short-lived prepared statements push out
more frequently used prepared statements in the case of a full statement cache.
> The API JavaDoc says that it is up to the cache whether the hint is used or not.

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