[jira] [Resolved] (DERBY-6259) Collapse the level 2 optimizer into its parent module.

["Rick Hillegas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-6259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Hillegas resolved DERBY-6259.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 10.11.0.0
    
> Collapse the level 2 optimizer into its parent module.
> ------------------------------------------------------
>
>                 Key: DERBY-6259
>                 URL: https://issues.apache.org/jira/browse/DERBY-6259
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.11.0.0
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>             Fix For: 10.11.0.0
>
>         Attachments: derby-6259-01-aa-collapseOptimizers.diff, derby-6259-02-aa-increasePrivacy.diff
>
>
> Right now there are 2 optimizer implementations, only one of which is ever loaded. The other implementation was disabled by the following comment in modules.properties:
> # use level1 optimizer for small configurations
> #
> # can't do this in the codeline because with 2 implementations, it is entirely
> # by chance which get picked.  So we may be running with different modules
> # depending on which jdk
> #
> # to be resolve by Siuling and Dan
> #
> #derby.module.optimizerSmall=org.apache.derby.impl.sql.compile.OptimizerFactoryImpl
> #cloudscape.config.optimizerSmall=cloud,cloudtarget
> Since we have deprecated support for the small CDC configuration, I don't think that we need further resolution by Siuling and Dan. Collapsing the two optimizers together should slightly reduce our static footprint.

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