Hello Jean-François,
I now it's late to answer this question. Sorry for that.
You couldn't avoid that query because was raised by the GDAL PostGIS Raster
driver. I'm working on some improvements right now, and that's one of the
improvements actually made. I suggest you to get the last code from
I published a Postgis-raster table as a Mapserver WCS layer using
gdal-1.10dev driver. I'm getting the expected result as output of my
Getcoverage query but I'm concerned by the time required to extract the
data. It takes about 3 minutes to extract a 4800 x 4800 pixels area. I
looked at the SQL
