Re: [Roundup-users] Reactor functions get all old values, not just changed old values. (possible breaking change)

[Ralf S. <rs...@ru...>]

On Mon, Oct 05, 2026 at 10:00:30AM -0400, John Rouillard wrote:
> 
> You said you have checks to see if oldvalue and newvalue are different.
> 
> Is each of your oldvalue checks guarded to make sure the property you are
> comparing exists in oldvalues?
> 
> For example:
> 
>      "some_unchanged_prop" in oldvalues and oldvalues['some_unchanged_prop']
> 
> is ok but a bare:
> 
>    oldvalues['some_unchanged_prop']
> 
> will fail if I strip unchanged properties.
> 
> Currently the second case is fine and returns the same value as a
> database lookup.

Right, I'm not sure I'm doing it correctly everywhere. I *think* I'm
using oldvalues.get in most cases but I probably should go over all uses
of oldvalues...

Thanks for pointing this out.

Kind regards
Ralf
-- 
Dr. Ralf Schlatterbeck                  Tel:   +43/2243/26465-16
Open Source Consulting                  www:   www.runtux.com
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