I'd be interested to hear a little more about what the mysql issue is...
(I don't use, but am/will be forced to on one work server, so want to hear
what others are going thru)

Thanks,
- Yarko

2009/4/29 mdipierro <mdipie...@cs.depaul.edu>

>
> there lots of mysql issues unfortunately.
>
>
> On Apr 29, 7:08 am, Hans <johann.scheibelho...@easytouch-edv.com>
> wrote:
> > Update: I've found that its a mysql issue not a web2py one.
> >
> > On Apr 28, 4:52 pm, Hans <johann.scheibelho...@easytouch-edv.com>
> > wrote:
> >
> > > I'm experiencing a strange behavior within the code below. I tried to
> > > split the problem in the smallest pieces which I'm able to debug. My
> > > interpretation of the findings is that most likely I run into a web2py
> > > internal variable length issue/limitation. Let me tell you why I think
> > > that:
> >
> > > The tables ips1, ips2, ips3, ips4 and ips5 are identical aliases of
> > > db.ipst.
> > > There code works without error like it is below (watch the 3 commented
> > > lines!).
> > > The code also works without error if I comment out *ANY 3* out of the
> > > db.ipst.id and its 5 aliases.
> > > Each code line below (also the 3 commented ones) works without error
> > > as long as any 3 other lines from db.ipst.id and its 5 aliases are
> > > commented out - all combinations work.
> > > The problem only occurs if I have less than 3 of the lines below
> > > commented out.
> >
> > > Unfortunately I'm not able to debug into web2py framework code - and
> > > despite hours of finding a solution for that I could not find one. And
> > > based on the tools I have I'm at the end of all ideas I had.
> >
> > > If it helps I can also send you login information (and instructions to
> > > get to the function with the issue) for the development server via
> > > personal email upon request.
> >
> > > I'm using MySQL and Web2Py 1.61.1.
> >
> > >     records=SQLTABLE(db(db.model_master.id==mid).select(
> > >         db.model_master.code,
> > >         db.subsidary.name,
> > >         db.ipst.id,
> > >         ips1.id,
> > > #        ips2.id,
> > > #        ips3.id,
> > > #        ips4.id,
> > >         ips5.id,
> > >         left=[db.ipst.on(rows_ipst),
> > >               ips1.on(rows_ips1),
> > >               ips2.on(rows_ips2),
> > >               ips3.on(rows_ips3),
> > >               ips4.on(rows_ips4),
> > >               ips5.on(rows_ips5)
> > >              ],
> > >         orderby=db.model_master.code|db.subsidary.line),
> > >         headers=headers)
> >
> > > Error traceback
> >
> > > Traceback (most recent call last):
> > >   File "/usr/lib/web2py/gluon/restricted.py", line 98, in restricted
> > >     exec ccode in environment
> > >   File "/usr/lib/web2py/applications/ips/controllers/default.py", line
> > > 657, in <module>
> > >   File "/usr/lib/web2py/gluon/globals.py", line 75, in <lambda>
> > >     self._caller = lambda f: f()
> > >   File "/usr/lib/web2py/applications/plugin_t2/modules/t2.py", line
> > > 1188, in h
> > >     return f(*a,**b)
> > >   File "/usr/lib/web2py/applications/ips/controllers/default.py", line
> > > 537, in fcc
> > >     orderby=db.model_master.code|db.subsidary.line),
> > >   File "/usr/lib/web2py/gluon/sql.py", line 1977, in select
> > >     r = response(query)
> > >   File "/usr/lib/web2py/gluon/sql.py", line 1972, in response
> > >     self._db._execute(query)
> > >   File "/usr/lib/web2py/gluon/sql.py", line 691, in <lambda>
> > >     self._execute = lambda *a, **b: self._cursor.execute(*a,**b)
> > >   File "/var/lib/python-support/python2.5/MySQLdb/cursors.py", line
> > > 166, in execute
> > >     self.errorhandler(self, exc, value)
> > >   File "/var/lib/python-support/python2.5/MySQLdb/connections.py",
> > > line 35, in defaulterrorhandler
> > >     raise errorclass, errorvalue
> > > OperationalError: (1054, "Unknown column 'subsidary.id' in 'on
> > > clause'")
> >
>

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