delta/python-packages/sqlalchemy.git/test/orm/inheritance, branch pullreq55

- Fixed regression where we apparently still create an implicit

2014-01-02T23:26:32+00:00

alias when saying query(B).join(B.cs), where "C" is a joined inh
class; however, this implicit alias was created only considering
the immediate left side, and not a longer chain of joins along different
joined-inh subclasses of the same base.   As long as we're still
implicitly aliasing in this case, the behavior is dialed back a bit
so that it will alias the right side in a wider variety of cases.
[ticket:2903]

- Fixed bug when using joined table inheritance from a table to a

2013-12-16T20:25:48+00:00

select/alias on the base, where the PK columns were also not same
named; the persistence system would fail to copy primary key values
from the base table to the inherited table upon INSERT.
[ticket:2885]

- remove informix dialect, moved out to https://bitbucket.org/zzzeek/sqlalchemy_informixdb

2013-11-17T18:45:23+00:00

- remove informix, maxdb, access symbols from tests etc.

An overhaul of expression handling for special symbols particularly

2013-10-23T21:44:52+00:00

with conjunctions, e.g.
``None`` :func:`.expression.null` :func:`.expression.true`
:func:`.expression.false`, including consistency in rendering NULL
in conjunctions, "short-circuiting" of :func:`.and_` and :func:`.or_`
expressions which contain boolean constants, and rendering of
boolean constants and expressions as compared to "1" or "0" for backends
that don't feature ``true``/``false`` constants. [ticket:2804]

- apply an import refactoring to the ORM as well

2013-08-14T23:58:34+00:00

- rework the event system so that event modules load after their
targets, dependencies are reversed
- create an improved strategy lookup system for the ORM
- rework the ORM to have very few import cycles
- move out "importlater" to just util.dependency
- other tricks to cross-populate modules in as clear a way as possible

- additional fix for [ticket:2750] where on an update, we make sure the

2013-06-30T19:58:50+00:00

value is present

add better tests for [ticket:2750]

2013-06-30T15:21:43+00:00

A warning is emitted when trying to flush an object of an inherited

2013-06-30T15:09:37+00:00

mapped class where the polymorphic discriminator has been assigned
to a value that is invalid for the class.   [ticket:2750]

The resolution of :class:`.ForeignKey` objects to their

2013-06-23T19:58:07+00:00

target :class:`.Column` has been reworked to be as
immediate as possible, based on the moment that the
target :class:`.Column` is associated with the same
:class:`.MetaData` as this :class:`.ForeignKey`, rather
than waiting for the first time a join is constructed,
or similar. This along with other improvements allows
earlier detection of some foreign key configuration
issues.  Also included here is a rework of the
type-propagation system, so that
it should be reliable now to set the type as ``None``
on any :class:`.Column` that refers to another via
:class:`.ForeignKey` - the type will be copied from the
target column as soon as that other column is associated,
and now works for composite foreign keys as well.
[ticket:1765]

Fixed bug in polymorphic SQL generation where multiple joined-inheritance

2013-06-15T19:20:48+00:00

entities against the same base class joined to each other as well
would not track columns on the base table independently of each other if
the string of joins were more than two entities long.  Also in 0.8.2.
[ticket:2759]