I'm confused on how to use FILTER when datasource is postgis or Oracle Spatial (Native Connection)
In an old thread, I was told to not use FILTER, but use a WHERE clause in the Data statement. In the ms7 Mapfile-Layer-Data doc, I see for Oracle "Note that there are important performance impacts when using spatial subqueries however. Try using MapServer?s FILTER whenever possible instead." I remember I had a bug with MS6 when using FILTER using WFS. A getfeature on the layer with a spatial or logical filter, the FILTEr in the mapfile was overwritten. Please, how should we define/use FILTER int a mapfile with postgis and also oracle (using native connection, not ogr)? THANKS!
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