[udig-devel] Merge operation question

[Paul Ramsey]

Option 2, clearly. If you are running operations that create new  
data, the source data should be left unchanged.
P

On 5-Dec-06, at 11:17 AM, Victor Mauricio Pazos wrote:

> Hi, we are defining the merge operation, the team has the follow  
> question:
>
> Transaction Merge "FA merge FB =?"
>
> 1) First option:
> - deletes FA and FB from source layer
> - creates new  FMerge on target layer
>
> 2) Second option:
>
> - if target layer is equal to source layer then "deletes FA and FB"  
> from
> source layer; else no action.
> - creates new  FMerge on target layer
>
> As you can see the first option always delete the source features.
>
> The following link has the first idea for Merge operation.
>  http://udig.refractions.net/confluence/display/COM/Axios
>
> What do you think that is the best approach for Merge Transaction?
>
> Thanks in advance
> -- 
> Mauricio Pazos
>
> Axios Engineering
> www.axios.es
> e-mail: maurcio.pazos at axios.es
> tel-:+34 94 441 63 84
> fax: +34-94 441 64 90
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