Mike Bayer [Sun, 13 Dec 2015 02:07:25 +0000 (21:07 -0500)]
- Fixed bug where use of the :meth:`.Query.select_from` method would
cause a subsequent call to the :meth:`.Query.with_parent` method to
fail. fixes #3606
- add mark-as-fail test for #3607
Mike Bayer [Thu, 10 Dec 2015 23:27:14 +0000 (18:27 -0500)]
- convert ORM tutorial and basic_relationships to favor
back_populates while still maintaining great familiarity
w/ backref so as not to confuse people. fixes #3390
Mike Bayer [Thu, 10 Dec 2015 22:09:47 +0000 (17:09 -0500)]
- The ORM and Core tutorials, which have always been in doctest format,
are now exercised within the normal unit test suite in both Python
2 and Python 3.
- remove the old testdocs.py runner and replace with test/base/test_tutorials.py
- use pytest's unicode fixer so that we can test for unicode strings
in both py2k/3k
- use py3k format overall for prints, exceptions
- add other fixers to guarantee deterministic results
- add skips and ellipses to outputs that aren't worth matching
Mike Bayer [Thu, 10 Dec 2015 00:07:51 +0000 (19:07 -0500)]
- refactor of adapt_like_to_iterable(), fixes #3457.
Includes removal of adapt_like_to_iterable() as well
as _set_iterable(), uses __slots__ for collectionadapter,
does much less duck typing of collections.
Mike Bayer [Wed, 9 Dec 2015 23:15:25 +0000 (18:15 -0500)]
- Fixed issue within the :meth:`.Insert.from_select` construct whereby
the :class:`.Select` construct would have its ``._raw_columns``
collection mutated in-place when compiling the :class:`.Insert`
construct, when the target :class:`.Table` has Python-side defaults.
The :class:`.Select` construct would compile standalone with the
erroneous column present subsequent to compilation of the
:class:`.Insert`, and the the :class:`.Insert` statement itself would
fail on a second compile attempt due to duplicate bound parameters.
fixes #3603
Mike Bayer [Mon, 7 Dec 2015 22:24:09 +0000 (17:24 -0500)]
- Fixed bug in MySQL reflection where the "fractional sections portion"
of the :class:`.mysql.DATETIME`, :class:`.mysql.TIMESTAMP` and
:class:`.mysql.TIME` types would be incorrectly placed into the
``timestamp`` attribute, which is unused by MySQL, instead of the
``fsp`` attribute.
fixes #3602
Mike Bayer [Mon, 7 Dec 2015 17:36:36 +0000 (12:36 -0500)]
- write a real inline documentation section for from_self(),
building on the example of query.join(). Ideally all the methods
in Query would have this kind of thing. fixes #3544
Mike Bayer [Fri, 4 Dec 2015 16:52:16 +0000 (11:52 -0500)]
- The :meth:`.Session.merge` method now tracks pending objects by
primary key before emitting an INSERT, and merges distinct objects with
duplicate primary keys together as they are encountered, which is
essentially semi-deterministic at best. This behavior
matches what happens already with persistent objects.
fixes #3601
Mike Bayer [Wed, 2 Dec 2015 17:13:57 +0000 (12:13 -0500)]
- Fixed issue where post_update on a many-to-one relationship would
fail to emit an UPDATE in the case where the attribute were set to
None and not previously loaded.
fixes #3599
Mike Bayer [Wed, 2 Dec 2015 00:03:03 +0000 (19:03 -0500)]
- Fixed bug where CREATE TABLE with a no-column table, but a constraint
such as a CHECK constraint would render an erroneous comma in the
definition; this scenario can occur such as with a Postgresql
INHERITS table that has no columns of its own.
fixes #3598
Mike Bayer [Mon, 30 Nov 2015 18:15:40 +0000 (13:15 -0500)]
- Added the error "20006: Write to the server failed" to the list
of disconnect errors for the pymssql driver, as this has been observed
to render a connection unusable.
fixes #3585
Nils Philippsen [Mon, 9 Nov 2015 13:50:23 +0000 (14:50 +0100)]
py2k: accept unicode literals on :func:`backref`, too
Fixed bug where in Py2K a unicode literal would not be accepted as the
string name of a class or other argument within declarative using
:func:`.backref` on :func:`.relationship`.
Mike Bayer [Mon, 30 Nov 2015 17:19:26 +0000 (12:19 -0500)]
- A descriptive ValueError is now raised in the event that SQL server
returns an invalid date or time format from a DATE or TIME
column, rather than failing with a NoneType error. Pull request
courtesy Ed Avis.
pullreq github:206
Mike Bayer [Sun, 29 Nov 2015 16:42:55 +0000 (11:42 -0500)]
- Fixed an issue in baked queries where the .get() method, used either
directly or within lazy loads, didn't consider the mapper's "get clause"
as part of the cache key, causing bound parameter mismatches if the
clause got re-generated. This clause is cached by mappers
on the fly but in highly concurrent scenarios may be generated more
than once when first accessed.
fixes #3597
Mike Bayer [Sat, 28 Nov 2015 19:30:05 +0000 (14:30 -0500)]
- Added support for parameter-ordered SET clauses in an UPDATE
statement. This feature is available by passing the
:paramref:`~.sqlalchemy.sql.expression.update.preserve_parameter_order`
flag either to the core :class:`.Update` construct or alternatively
adding it to the :paramref:`.Query.update.update_args` dictionary at
the ORM-level, also passing the parameters themselves as a list of 2-tuples.
Thanks to Gorka Eguileor for implementation and tests.
adapted from pullreq github:200
Mike Bayer [Wed, 25 Nov 2015 20:29:04 +0000 (15:29 -0500)]
- Fixed bug which is actually a regression that occurred between
versions 0.8.0 and 0.8.1, due :ticket:`2714`. The case where
joined eager loading needs to join out over a subclass-bound
relationship when "with_polymorphic" were also used would fail
to join from the correct entity.
fixes #3593
Nils Philippsen [Mon, 9 Nov 2015 13:50:23 +0000 (14:50 +0100)]
py2k: accept unicode literals on :func:`backref`, too
Fixed bug where in Py2K a unicode literal would not be accepted as the
string name of a class or other argument within declarative using
:func:`.backref` on :func:`.relationship`.
Mike Bayer [Sat, 21 Nov 2015 21:36:50 +0000 (16:36 -0500)]
- Fixed joinedload bug which would occur when a. the query includes
limit/offset criteria that forces a subquery b. the relationship
uses "secondary" c. the primaryjoin of the relationship refers to
a column that is either not part of the primary key, or is a PK
col in a joined-inheritance subclass table that is under a different
attribute name than the parent table's primary key column d. the
query defers the columns that are present in the primaryjoin, typically
via not being included in load_only(); the necessary column(s) would
not be present in the subquery and produce invalid SQL.
fixes #3592
Mike Bayer [Thu, 19 Nov 2015 20:45:17 +0000 (15:45 -0500)]
- A rare case which occurs when a :meth:`.Session.rollback` fails in the
scope of a :meth:`.Session.flush` operation that's raising an
exception, as has been observed in some MySQL SAVEPOINT cases, prevents
the original database exception from being observed when it was
emitted during flush, but only on Py2K because Py2K does not support
exception chaining; on Py3K the originating exception is chained. As
a workaround, a warning is emitted in this specific case showing at
least the string message of the original database error before we
proceed to raise the rollback-originating exception.
fixes #2696
Mike Bayer [Thu, 19 Nov 2015 20:24:22 +0000 (15:24 -0500)]
- add documentation that describes, then proceeds to warn about
the many caveats and confusing effects of, the popular approach
of using contains_eager() to alter the natural result of a
related collection. I'm not a fan of this technique as it changes
the semantics of a relationship in such a way that the rest of the
ORM isn't aware of and it also can be undone very easily; hence the
section needs as much text for warnings as for describing the
technique itself. fixes #3563
Mike Bayer [Thu, 19 Nov 2015 20:10:46 +0000 (15:10 -0500)]
- Fixed the ``.python_type`` attribute of :class:`.postgresql.INTERVAL`
to return ``datetime.timedelta`` in the same way as that of
:obj:`.types.Interval.python_type`, rather than raising
``NotImplementedError``.
fixes #3571
Mike Bayer [Thu, 19 Nov 2015 19:23:08 +0000 (14:23 -0500)]
- rewrite the docs and add a test for the bake_queries=True
relationship flag; this flag *does* have an effect when the baked
lazy loader plugin has been invoked. clarify the intent of this
flag as an "opt out" but only has an effect when the baked system
is loaded anyway. fixes #3572
Mike Bayer [Wed, 18 Nov 2015 14:06:33 +0000 (09:06 -0500)]
- Added support for reflecting the source of materialized views
to the Postgresql version of the :meth:`.Inspector.get_view_definition`
method.
fixes #3587
Mike Bayer [Sat, 14 Nov 2015 17:36:09 +0000 (12:36 -0500)]
- extend pullreq github:213 to also include DATETIMEOFFSET and TIME,
which also accept zero precision
- extend test case here to include a backend-agnostic suite
- changelog for MSSQL date fix
Mike Bayer [Wed, 11 Nov 2015 17:57:32 +0000 (12:57 -0500)]
- Fixed bug where the "single table inheritance" criteria would be
added onto the end of a query in some inappropriate situations, such
as when querying from an exists() of a single-inheritance subclass.
pgjones [Fri, 30 Oct 2015 20:20:58 +0000 (20:20 +0000)]
Change generator termination from StopIteration to return.
From [PEP 479](https://www.python.org/dev/peps/pep-0479/) the correct way to
terminate a generator is to return (which implicitly raises StopIteration)
rather than raise StopIteration.
Without this change using sqlalchemy in python 3.5 or greater results in
these warnings
PendingDeprecationWarning: generator '__iter__' raised StopIteration
which this commit should remove.
Mike Bayer [Thu, 29 Oct 2015 18:25:58 +0000 (14:25 -0400)]
- convert wrap_callable() to a general purpose update_wrapper-like
function; the caller still passes in the "wrapper"
- move tests for wrap_callable() to be generic util tests
- changelog for pullreq github:204
Mike Bayer [Thu, 22 Oct 2015 15:58:25 +0000 (11:58 -0400)]
- update the pool pessimistic invalidation recipe to refer to the
engine_connect event, allowing easy detection of disconnects
and full invalidation of the pool
Mike Bayer [Mon, 19 Oct 2015 18:21:56 +0000 (14:21 -0400)]
- adjust 4f54607923a11669961b53f where we still allow_multirow as long
as versioning isn't needed, fixes test_unitofworkv2->test_update_multi_missing_broken_multi_rowcount
Mike Bayer [Mon, 19 Oct 2015 16:17:37 +0000 (12:17 -0400)]
- Fixed regression in 1.0 where new feature of using "executemany"
for UPDATE statements in the ORM (e.g. :ref:`feature_updatemany`)
would break on Postgresql and other RETURNING backends
when using server-side version generation
schemes, as the server side value is retrieved via RETURNING which
is not supported with executemany.
fixes #3556
Mike Bayer [Fri, 9 Oct 2015 22:01:43 +0000 (18:01 -0400)]
- Added the :paramref:`.AssociationProxy.info` parameter to the
:class:`.AssociationProxy` constructor, to suit the
:attr:`.AssociationProxy.info` accessor that was added in
:ticket:`2971`. This is possible because :class:`.AssociationProxy`
is constructed explicitly, unlike a hybrid which is constructed
implicitly via the decorator syntax.
fixes #3551