I came across a problem while using python mapscript's queryByAttribute
function. I have a layer containing the fieldname "STATE" amongst
others. Issuing:
try:
layer.queryByAttribute(map,"STA","AZ",MS_MULTIPLE)
except:
print "attribute error"
pass
By now the mapserver exception is caught for the faulty attribute. If a draw
function is now issued:
map.draw()
The following error occurs:
<class '_mapscript.MapServerError'>: msDrawMap(): Image handling error. Failed
to draw layer named 'countries'. msDBFGetItemIndex(): DBASE file error. Item
'STA' not found.
I reproduced it many times and in many occasions. I tried to
clear any result cache but in vain. Shouldn;t mapserver handle the
situation more logically?
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