- added 2.4-style binops to util.Set on 2.3
- OrderedSets pickle on 2.3
- more lib/sqlalchemy set vs Set corrections
- fixed InstrumentedSet.discard for 2.3
- set, sorted compatibility for test suite
- added testing.fails_if decorator
- Importing testenv has no side effects- explicit functions provide similar behavior to the old immediate behavior of testbase
- testing.db has the configured db
- Fixed up the perf/* scripts
- Collections gain a @converter framework for flexible validation and adaptation of bulk assignment
- Bogus bulk assignments now raise TypeError instead of exceptions.ArgumentError
e.g. if you pickle a series of objects and unpickle (i.e. as in a Pylons HTTP session
or similar), they can go into a new session without any conflict
- added stricter checks around session.delete() similar to update()
- shored up some old "validate" stuff in session/uow
Fix to null FLOAT fields in mssql-trusted.patch
MSSQL: LIMIT with OFFSET now raises an error
MSSQL: can now specify Windows authorization
MSSQL: ignores seconds on DATE columns (DATE fix, part 1)
into a new set of methods available off of Query. These methods
all provide "generative" behavior, whereby the Query is copied
and a new one returned with additional criterion added.
The new methods include:
filter() - applies select criterion to the query
filter_by() - applies "by"-style criterion to the query
avg() - return the avg() function on the given column
join() - join to a property (or across a list of properties)
outerjoin() - like join() but uses LEFT OUTER JOIN
limit()/offset() - apply LIMIT/OFFSET
range-based access which applies limit/offset:
session.query(Foo)[3:5]
distinct() - apply DISTINCT
list() - evaluate the criterion and return results
no incompatible changes have been made to Query's API and no methods
have been deprecated. Existing methods like select(), select_by(),
get(), get_by() all execute the query at once and return results
like they always did. join_to()/join_via() are still there although
the generative join()/outerjoin() methods are easier to use.
- the return value for multiple mappers used with instances() now returns
a cartesian product of the requested list of mappers, represented
as a list of tuples. this corresponds to the documented behavior.
So that instances match up properly, the "uniquing" is disabled when
this feature is used.
- strings and columns can also be sent to the *args of instances() where
those exact result columns will be part of the result tuples.
- query() method is added by assignmapper. this helps with
navigating to all the new generative methods on Query.
- documented instance variables in ANSICompiler
- fixed [ticket:120], adds "inline_params" set to ANSICompiler which DefaultDialect picks up on when
determining defaults. added unittests to query.py
- additionally fixed up the behavior of the "values" parameter on _Insert/_Update
- more cleanup to sql/Select - more succinct organization of FROM clauses, removed silly _process_from_dict
methods and JoinMarker object
replace the main table of the query, if the table is somewhere within
the given from_obj. this makes it possible to produce custom joins and
outerjoins in queries without the main table getting added twice.
[ticket:315]
- added join_to and outerjoin_to transformative methods to SelectResults,
to build up join/outerjoin conditions based on property names. also
added select_from to explicitly set from_obj parameter.
- factored "results" arrays from the mapper test suite and into the
"tables" mapper
- added "viewonly" param to docs
* Added implicit primary keys to ActiveMapper. Now, if you do not speicfy a
primary key on your objects when declaring them, an Integer primary key
called `id` will automatically be added to your objects for you.
* Commented out a large chunk of the process_relationships function that
should no longer be necessary thanks to some of the deferred mapper
compilation that was added in SQLAlchemy 0.2.3. I left it in the code, but
commented it out just in case this change causes a problem in someone's
else's code and I can put it back in if needed.
Mike Bayer