Anthony, pls see https://groups.google.com/d/msg/web2py/h4b4xz2NzNM/QHSoRfrcCAAJ
If we put double quotes on the table name, which happens to not be there for *aggregates* and *distinct* then the sql query will work. On Friday, July 14, 2017 at 5:43:57 AM UTC+8, Anthony wrote: > > Are you saying that used to work but doesn't any longer? > > How about db(db.table).select(max)? > > Anthony > > On Thursday, July 13, 2017 at 1:16:31 PM UTC-4, lyn2py wrote: >> >> I'm using a simple query to get aggregate: >> >> max = db.table.date.max() >> row = db().select(max) >> >> Just following the example here >> http://www.web2py.com/books/default/chapter/29/06/the-database-abstraction-layer#sum-avg-min-max-and-len >> >> But I ran into this error: >> >> Traceback (most recent call last): >> File "/Users/web2py/web2py/gluon/main.py", line 445, in wsgibase >> serve_controller(request, response, session) >> File "/Users/web2py/web2py/gluon/main.py", line 180, in serve_controller >> page = run_controller_in(request.controller, request.function, >> environment) >> File "/Users/web2py/web2py/gluon/compileapp.py", line 660, in >> run_controller_in >> vars = vars.xml() >> File "/Users/web2py/web2py/gluon/packages/dal/pydal/objects.py", line >> 2497, in xml >> rv = self.db.represent('rows_xml', self) >> File "/Users/web2py/web2py/gluon/packages/dal/pydal/base.py", line 834, >> in represent >> return self.representers[name](*args, **kwargs) >> File "/Users/web2py/web2py/gluon/sqlhtml.py", line 3319, in __init__ >> tablemap = dict(((f.tablename, f.table) for f in fieldmap.values())) >> File "/Users/web2py/web2py/gluon/sqlhtml.py", line 3319, in <genexpr> >> tablemap = dict(((f.tablename, f.table) for f in fieldmap.values())) >> AttributeError: 'Expression' object has no attribute 'tablename' >> >> >> Kindly assist. >> >> >> On Tuesday, July 11, 2017 at 5:40:08 AM UTC+8, Massimo Di Pierro wrote: >>> >>> It took a year. Thanks to everybody who contributed. There are a ton of >>> bug fixes and speed improvements. >>> >>> I would encourage everybody who contributed to add a comment in this >>> thread explaining the main features/improvements they have made. >>> >>> If anything does not work or was broken it is only fault and I will >>> remedy if reported. >>> >>> Massimo >>> >> -- 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.
