This is complex. Currently the way to avoid the problem is to name
the .table files via
db.define_table('something',....,migrate='something.table')
using "IF EXISTS" would only solve this problem to create others.
Massimo
On May 4, 7:02 am, Hans <johann.scheibelho...@easytouch-edv.com>
wrote:
> I'm having a similar problem. Last time I solved it by deleting the
> database and setting it up new. With more data it gets a pain. I read
> about setting 'migrate=False' to avoid the issue. I could use that for
> 'own' tables, but I get the same error for tables created by the T2
> plugin.
> Like TheDude also I have changed the user/pass for MySQL connection.
> Maybe Web2Py thinks it needs to create the tables new after user/pass
> change?
>
> 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/models/db.py", line 19, in
> <module>
> t2=T2(request,response,session,cache,T,db)
> File "/usr/lib/web2py/applications/plugin_t2/modules/t2.py", line
> 98, in __init__
> self._create_tables()
> File "/usr/lib/web2py/applications/plugin_t2/modules/t2.py", line
> 341, in _create_tables
> t=db.define_table('t2_person',T2.base_table(db,'t2_person'))
> File "/usr/lib/web2py/gluon/sql.py", line 938, in define_table
> raise e
> OperationalError: (1050, "Table 't2_person' already exists")
>
> On May 4, 7:10 am, TheDude <officed...@gmail.com> wrote:
>
> > Massimo, I know that we've talked about this in the past, but here we
> > go again...
>
> > I'm using the latest web2py, in my applications, I would define tables
> > as usual only to get an SQL error saying the table exists. I tried
> > clearing out my "databases" folder, and the only way to clear out
> > would be to delete the database entirely (which is something that I
> > *should not* have to do). According to web2py docs, the DAL handles
> > this type of crap perfectly and just fine. As it should, leave the
> > migration/DAL issues to DAL and not to the user. This is what turned
> > my head towards web2py over Django.
>
> > Is CREATE TABLE `tablename` IF NOT EXISTS SQL ANSI? Either way, the
> > MySQL handler should perform this rather than just create table under
> > the next patch. It would solve *a lot* of hassle. The problem occurred
> > AFTER I changed my user/pass combo for the MySQL connection string.
> > Could this cause any problems?
>
> > Someone else had this problem unresolved a long time
> > ago...http://groups.google.com/group/web2py/browse_thread/thread/94a7107c68...
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