[jira] Resolved: (EMPIREDB-8) Restrict access to DatabaseDriver object for all subclasses of DBColumnExpr to the addSQL function.

["Rainer Döbele (JIRA)" <em...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/EMPIREDB-8?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rainer Döbele resolved EMPIREDB-8.
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    Resolution: Fixed

> Restrict access to DatabaseDriver object for all subclasses of DBColumnExpr to the addSQL function.
> ---------------------------------------------------------------------------------------------------
>
>                 Key: EMPIREDB-8
>                 URL: https://issues.apache.org/jira/browse/EMPIREDB-8
>             Project: Empire-DB
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: empire-db-2.0.4-incubating
>            Reporter: Rainer Döbele
>            Assignee: Rainer Döbele
>             Fix For: empire-db-2.0.4-incubating
>
>
> Currently the factory Functions for SQL-function espressions access the database driver object in order to obtain function and conversion templates. 
> In order to allow the definition of column expressions prior to opening a database - which attachtes a database driver object - this behaviour is not desireable.
> Instead the driver should only be accessed in the addSQL function.

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