This is probably a common question, but I didn't find it answered, so I
will ask here:
I want to copy a set of tables (I have the names of the tables) from a
database (MS-SQL) to
another (SQLite). What's the recommended way to do it? Notice that
these are simple tables, with no
advanced
look into using tometadata() to copy a Table from one MetaData to
another. then use create_all() on the second MetaData.
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Hi,
Following the documentation about inheritance (Multiple Table
Inheritance, Polymorphic), I get into troubles trying to add a relation
between tables.
I just used the documentation sample and modified the engineers table
this way :
engineers = Table('engineers', metadata,
have you tried
mapper(Engineer, engineers, inherits=person_mapper,
polymorphic_identity='engineer', properties={
'manager': relation(Manager,
primaryjoin=engineers.c.manager_id==managers.c.person_id)
})
?
On Nov 2, 2006, at 12:52 PM, asrenzo wrote:
Hi,
Following the
Hi,
THX a lot this is working like a charm.
This is a much more complex mapper than the ones I'm used to do.
Regards,
Laurent
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based on my conversations with Karl Guertin yesterday, i turned the
association proxy into a full blown plugin for SQLAlchemy, and also
added two association examples to the examples/ folder, one which is
basic and the other which illustrates the proxy.
The proxy (will be released in 0.3.1) is
Is there a way to inherit more than one level for single table
inheritance? Take this relationship for example:
Animal - Dog - German Shepard
Say there are 10 animals; 5 are dogs and 2 are German Shepard.
session.query(Animal).select() # Should yield 10 results.
