Hello All,
I'm trying to use Alembic for versioning my Camelot
(http://www.python-camelot.com) schema, which is essentially sqlalchemy on
the database side. When using autogenerate I get a NoSuchTableError. The
odd thing is that I get this error for a table "auth_user" that cannot find
in my schema:
[snip]
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\util\langhelpers.py", line 60, in __exit__
compat.reraise(exc_type, exc_value, exc_tb)
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\sql\schema.py", line 432, in __new__
table._init(name, metadata, *args, **kw)
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\sql\schema.py", line 513, in _init
self._autoload(metadata, autoload_with, include_columns)
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\sql\schema.py", line 528, in _autoload
self, include_columns, exclude_columns
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\engine\base.py", line 1481, in run_callable
return callable_(self, *args, **kwargs)
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\engine\default.py", line 364, in reflecttable
return insp.reflecttable(table, include_columns, exclude_columns)
File "F:\Workspace\MyProject\src\virtualenv\Lib\site-packages\sqlalc
hemy\engine\reflection.py", line 578, in reflecttable
raise exc.NoSuchTableError(table.name)
sqlalchemy.exc.NoSuchTableError: auth_user
Note: line numbers may be slightly different from the official
alembic/sqlalchemy releases as I inserted some debug print/log statements.
If helpful I can of course resort to the stock release.
It doesn't matter whether I use an existing or a freshly initialized
database. I was trying to follow the code to see where Alembic comes up
with this additional table, but I get lost. Can somebody tell me some hints
on how Alembic can come up with tables not directly defined in my schema? I
then hope I can figure whether I need that table at all. Another question
however is why would alembic not handle the situation and simple create the
new table, even if I am unaware that I need it?
Thanks!
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