It is only when printed in CSV that it represents with the |. It is all fine:
In [1]: db.define_table( ...: 'school', ...: Field('Name'), ...: format='%(Name)s', ...: migrate=True ...: ) Out[1]: <Table school (id,Name)> In [2]: In [2]: db.define_table( ...: 'teacher', ...: Field('Name'), ...: Field('schools', 'list:reference school', label='School Villages'), ...: format='%(Name)s', ...: migrate=True ...: ) Out[2]: <Table teacher (id,Name,schools)> In [3]: In [3]: db.school.insert(Name="a") Out[3]: 1L In [4]: db.school.insert(Name="b") Out[4]: 2L In [5]: db.school.insert(Name="c") Out[5]: 3L In [6]: db.teacher.insert(Name="xxx", schools=[1,2,3]) Out[6]: 1L In [7]: teachers = db(db.teacher.id>0).select() In [8]: print teachers teacher.id,teacher.Name,teacher.schools 1,xxx,|1|2|3| In [9]: print teachers[0].schools [1L, 2L, 3L] On Wednesday, 12 August 2015 07:55:50 UTC-5, Michael Beller wrote: > > db.define_table( > 'school', > Field('Name'), > format='%(Name)s', > migrate=True > ) > > db.define_table( > 'teacher', > Field('Name'), > Field('schools', 'list:reference school', label='School Villages'), > format='%(Name)s', > migrate=True > ) > > teachers = db(db.teacher.id>0).select().render(0) > > Without the render(), it a Row with the piped school id's, e.g., > 51,sally,|53|52| > > On Wednesday, August 12, 2015 at 1:50:20 AM UTC-4, Massimo Di Pierro wrote: >> >> Can you show us minimalist code to reproduce the problem? >> >> On Tuesday, 11 August 2015 23:03:24 UTC-5, Michael Beller wrote: >>> >>> I was using web2py 2.10.4 and encountered the error using list:reference: >>> <type 'exceptions.TypeError'> isinstance() arg 2 must be a class, type, >>> or tuple of classes and types >>> >>> I then upgraded to 2.12.2 and applied this fix >>> <https://github.com/web2py/pydal/commit/2172b776b9c41884717902e68900b41c105e0364#diff-114ce07f361177e0669ec9a374ef7d6a> >>> >>> that others referenced in the forums having the same problem. >>> >>> Now I'm getting this error: >>> <type 'exceptions.AttributeError'> 'long' object has no attribute 'id' >>> >>> The error occurs in the render() function when applied to a query. >>> >>> File >>> "/Users/MichaelBeller/Dev/w2p-enriched/gluon/packages/dal/pydal/helpers/methods.py", >>> line 279, in __call__ >>> _fieldformat(self.ref, x.id) for x in value) or '' >>> File >>> "/Users/MichaelBeller/Dev/w2p-enriched/gluon/packages/dal/pydal/helpers/methods.py", >>> line 279, in <genexpr> >>> _fieldformat(self.ref, x.id) for x in value) or '' >>> AttributeError: 'long' object has no attribute 'id' >>> >>> Does anybody else have this problem? >>> >>> Thanks. >>> >>> -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.