self.__exp[i] = self.__DUMMY_LEAF
else:
subexp = field.search(cr, uid, table, left, [self.__exp[i]], context=context)
- # we assume that the expression is valid
- # we create a dummy leaf for forcing the parsing of the resulting expression
- self.__exp[i] = '&'
- self.__exp.insert(i + 1, self.__DUMMY_LEAF)
- for j, se in enumerate(subexp):
- self.__exp.insert(i + 2 + j, se)
+ if not subexp:
+ self.__exp[i] = self.__DUMMY_LEAF
+ else:
+ # we assume that the expression is valid
+ # we create a dummy leaf for forcing the parsing of the resulting expression
+ self.__exp[i] = '&'
+ self.__exp.insert(i + 1, self.__DUMMY_LEAF)
+ for j, se in enumerate(subexp):
+ self.__exp.insert(i + 2 + j, se)
# else, the value of the field is store in the database, so we search on it
elif field._type == 'one2many':