Thanks, I'll try this. Berend
On 1/22/10, Lime, Steve D (DNR) <[email protected]> wrote: > There's a single way to call the method, it's that you don't always have to > supply the query item. The method signature is > > queryByAttributes (map (mapObj, qitem (string), qstring (string), mode > (int)); > > The qstring is given in a format compatible with the underlying driver. For > the database drivers it's basically a where-clause. For others > you use MapServer expression syntax. Some expression types (e.g. string > matches or regex) require the qitem. > > To do a partial match you could use a regex, for example: > > layer.queryByAttributes(map, "myfield", "/myregex/", > mapscript.MS_MULTIPLE); > > Steve > > From: [email protected] > [mailto:[email protected]] On Behalf Of Berend > Veldkamp > Sent: Friday, January 22, 2010 6:22 AM > To: [email protected] > Subject: [mapserver-users] queryByAttributes syntax > > Hi, > > Where can I find more information about the queryByAttributes() function? I > found http://mapserver.org/mapscript/php/index.html#layerobj-class , but it > is not very detailed. By trial and error I found that for a PostGIS layer, I > should use this syntax: > > layer.queryByAttributes(map, null, "myfield='searchValue'", > mapscript.MS_MULTIPLE); > > but for shapefiles, it seems it should be: > > layer.queryByAttributes(map, "myfield", "searchValue", > mapscript.MS_MULTIPLE); > > I am trying to write some generic code, but that's hard if there is no > single way to call this method. Also, I haven't found a way yet to do a > partial match on a shapefile (PostGIS supports 'LIKE') > > Regards, > Berend Veldkamp > _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
