Once again my application runs fine on supplied server with web2py but on GAE there's a problem.
Line of code that shows problem is *candidate =db(db.words.word.lower()==trans_form.vars.word.lower())(db.words.lang==trans_form.vars.languages).select().first() * where trans_form is a FORM object. table : *db.define_table('words', * * Field('word', 'string', length=128, notnull=True, required=True), * * Field('lang', db.languages, notnull=True), * * Field('entry_by', db.auth_user, default=auth.user_id, readable=False, writable=False), * * migrate=migration)* Error shown, when runs over GAE: ERROR 2002-01-01 05:48:44,608 restricted.py:151] Traceback (most recent call last): File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/restricted.py", line 188, in restricted exec ccode in environment File "/media/KRA/Evolve/Work/web/google_appengine/VL/applications/init/controllers/forms.py:addtranslation", line 90, in <module> File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/globals.py", line 95, in <lambda> self._caller = lambda f: f() *File "/media/KRA/Evolve/Work/web/google_appengine/VL/applications/init/controllers/forms.py:addtranslation", line 31, in addtranslation* File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 4499, in select return self.db._adapter.select(self.query,fields,attributes) File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 2673, in select (items, tablename, fields) = self.select_raw(query,fields,attributes) File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 2633, in select_raw filters = self.expand(query) File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 2544, in expand return expression.op(expression.first, expression.second) File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 2558, in AND a = self.expand(first) File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 2544, in expand return expression.op(expression.first, expression.second) File "/media/KRA/Evolve/Work/web/google_appengine/VL/gluon/dal.py", line 2565, in EQ return [GAEF(first.name,'=',self.represent(second,first.type),lambda a,b:a==b)] *AttributeError: 'Expression' object has no attribute 'name'* *Where I went wrong?*