The Frequently Asked Questions section is a growing collection of commonly observed questions to well-known issues.
table.drop()
/ metadata.drop_all()
and_()
or or_()
, and I am getting an error message about foreign keys.ORDER BY
required with LIMIT
(especially with subqueryload()
)?joinedload()
or lazy=False
to create a JOIN/OUTER JOIN and SQLAlchemy is not constructing the correct query when I try to add a WHERE, ORDER BY, LIMIT, etc. (which relies upon the (OUTER) JOIN)__len__()
, why not?Session.delete(myobject)
and it isn’t removed from the parent collection!__init__()
called when I load objects?None
- shouldn’t it have loaded Foo with id #7?flambé! the dragon and The Alchemist image designs created and generously donated by Rotem Yaari.
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