Re: [GUSDEV] new Undo plugin

[Chris S. <sto...@pc...>]

> Is there a way of enforcing plugin version tracking?  I guess what  
> I'm asking is, is there a way to detect if a plugin has been  
> modified since its last use?
Yes, through AlgorithmImplementation (AlgorithmInvocation points to  
this table)
see http://www.gusdb.org/SchemaBrowser/table.htm? 
schema=Core&table=AlgorithmImplementation

Chris

On Oct 30, 2005, at 12:55 PM, Chris Topinka wrote:

> what about storing which row/tables were updated by an  
> algorithm_invocation_ids?  I'm new to GUS.  Is this done already?   
> Am I correct in assuming that algorithm_invocation_ids are created  
> every time a particular plugin (algorithm) is run or are there  
> multiple algorithm_invocation_ids per plugin run?
>
> Is there a way of enforcing plugin version tracking?  I guess what  
> I'm asking is, is there a way to detect if a plugin has been  
> modified since its last use?
>
>
>
> On 10/30/05, Steve Fischer <sfi...@pc...> wrote:
> i like the idea of checking the name of the plugin.  I'll do that.
>
> as far as the plugin evolving, i guess that is a mirky area.   I'll  
> add
> that to the risks.  My main answer is that I envision Undo to be  
> applied
> shortly after the data is loaded, so the presumption is that the
> evolution is small and known.
>
> steve
>
> Jonathan Schug wrote:
>
> > Steve:
> >
> > Does the Undo plugin check to see that the algorithm_invocation_ids
> > belong to the target plugin?  That would add a measure of  
> safety.  Of
> > course we'd probably need an override if a plugin has since changed
> > names.  What if the plugin changes the tables it touches.  I guess
> > the undoTables() has to return a comprehensive list?
> >
> > Jonathan
> >
> >
> >
> >
> > Jonathan Schug - js...@pc...
> >
> >
> >
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> -- 
> Christopher M. Topinka
> NLM-BHIRT Predoctoral Fellow in Computer Science
> 113 Life Sciences Center
> University of Missouri
> Columbia, MO 65211
> (573)-823-0616
> cmt...@mi...