Please be gentle as this is probably just a basic misunderstanding on my part.

First I am using geoserver's new sql view capability which lets you run 
arbitrary sql to generate features, and it works fine from a WMS layer. I 
believe it will gladly return the results in any WFS format as well (assuming I 
can pass my parameters to it).

So I have a WMS layer which I am doing things like

wmsLayer.mergeNewParams(
{
  viewparams: 'x:1;y:3;z:3'
});

Which causes the layer to be refreshed based on the parameters.

I want to use a WFS layer instead, but can't figure out how to do this (or the 
equivalent) with the final goal of putting the features returned into a store. 
mergeNewParams is not valid on a WFS layer so I don't know how to pass them.

Any hints?

thanks,
charles
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