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From "Rick Hillegas (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-1734) Simplify building of SystemColumn array in CatalogRowFactory implementations.
Date Fri, 25 Aug 2006 20:11:23 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1734?page=comments#action_12430608 ] 
            
Rick Hillegas commented on DERBY-1734:
--------------------------------------

Ported DERBY-1734 (434083) to 10.2 at subversion revision 436921.

> Simplify building of SystemColumn array in CatalogRowFactory  implementations.
> ------------------------------------------------------------------------------
>
>                 Key: DERBY-1734
>                 URL: http://issues.apache.org/jira/browse/DERBY-1734
>             Project: Derby
>          Issue Type: Sub-task
>            Reporter: Daniel John Debrunner
>         Assigned To: Daniel John Debrunner
>            Priority: Minor
>
> The implementations of CatalogRowFactory.buildColumnList() can be simplified in a number
of ways:
>   1) precision & scale are always passed in as zero and can be removed
>    2) adding static factory methods to SystemColumnImpl would ease the building of the
arrays by not requiring the additional redundant arguments the constructor call forces today,
e.g. max length i snot required to create an INTEGER column.
>     3) The column's position is not required to be stored in the SytstemColumn class,
it's defined by the position in the array
> 4) arrays can be built using
>           new SystemColumn[] { ... }
>      syntax instead of the existing
>             columnList[0] = ...
>             columnList[1] = ...
>       or
>             columnList[index++] = ...
>             columnList[index++] = ...
>  

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