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* - The :class:`.SessionEvents` suite now includes events to allowticket_2677Mike Bayer2015-09-0217-247/+1593
| | | | | | | | | | | | | | | | | | | | | unambiguous tracking of all object lifecycle state transitions in terms of the :class:`.Session` itself, e.g. pending, transient, persistent, detached. The state of the object within each event is also defined. fixes #2677 - Added a new session lifecycle state :term:`deleted`. This new state represents an object that has been deleted from the :term:`persistent` state and will move to the :term:`detached` state once the transaction is committed. This resolves the long-standing issue that objects which were deleted existed in a gray area between persistent and detached. The :attr:`.InstanceState.persistent` accessor will **no longer** report on a deleted object as persistent; the :attr:`.InstanceState.deleted` accessor will instead be True for these objects, until they become detached. - The :paramref:`.Session.weak_identity_map` parameter is deprecated. See the new recipe at :ref:`session_referencing_behavior` for an event-based approach to maintaining strong identity map behavior. references #3517
* - add new documentation that applies to all modern SQLA versions,ticket_2677_preMike Bayer2015-09-028-157/+339
| | | | detailing ORM event recipes across the board.
* - use consistent and descriptive language in all casesMike Bayer2015-08-273-9/+52
| | | | | | where we refer to the "weak_identity_map" option, and add additional exposition in the session documentation which refers to it. fixes #3517
* - The :class:`.TypeDecorator` type extender will now work in conjunctionMike Bayer2015-08-275-9/+90
| | | | | | | | | | | with a :class:`.SchemaType` implementation, typically :class:`.Enum` or :class:`.Boolean` with regards to ensuring that the per-table events are propagated from the implementation type to the outer type. These events are used to ensure that the constraints or Postgresql types (e.g. ENUM) are correctly created (and possibly dropped) along with the parent table. fixes #2919
* - reword and update documentation on passive_updates=False; as virtuallyMike Bayer2015-08-272-56/+104
| | | | | | | all DBs now support ON UPDATE CASCADE other than Oracle, there's no need to try to reimplement more functionality here and users should be encouraged to forego natural PKs unless their target platform supports them. references #2666
* - add a postgresql-specific form of array_agg() that injects theMike Bayer2015-08-279-8/+56
| | | | ARRAY type, references #3132
* - consolidate "constraints.py" into the more general "ext.py",Mike Bayer2015-08-273-100/+92
| | | | for all assorted PG SQL extensions
* - add PG-specific aggregate_order_by(), references #3132Mike Bayer2015-08-277-3/+132
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* Merge branch 'ticket_3516'Mike Bayer2015-08-2626-259/+1458
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| * - Added support for "set-aggregate" functions of the formticket_3516Mike Bayer2015-08-2612-49/+477
| | | | | | | | | | | | | | | | | | | | | | ``<function> WITHIN GROUP (ORDER BY <criteria>)``, using the method :class:`.FunctionElement.within_group`. A series of common set-aggregate functions with return types derived from the set have been added. This includes functions like :class:`.percentile_cont`, :class:`.dense_rank` and others. fixes #1370 - make sure we use func.name for all _literal_as_binds in functions.py so we get consistent naming behavior for parameters.
| * - Added support for the SQL-standard function :class:`.array_agg`,Mike Bayer2015-08-264-2/+69
| | | | | | | | | | | | | | which automatically returns an :class:`.Array` of the correct type and supports index / slice operations. As arrays are only supported on Postgresql at the moment, only actually works on Postgresql. fixes #3132
| * - build out a new base type for Array, as well as new any/all operatorsMike Bayer2015-08-2522-214/+918
| | | | | | | | | | | | - any/all work for Array as well as subqueries, accepted by MySQL - Postgresql ARRAY now subclasses Array - fixes #3516
* | - re-document and fully cross link all of configure_mappers(),Mike Bayer2015-08-242-20/+111
|/ | | | mapper_configured(), after_configured(), and before_configured().
* - Fixed two issues in the "history_meta" example where history trackingMike Bayer2015-08-243-4/+78
| | | | | | could encounter empty history, and where a column keyed to an alternate attribute name would fail to track properly. Fixes courtesy Alex Fraser.
* - repair the inspection hook in sqltypes to not be fooledMike Bayer2015-08-223-2/+17
| | | | by mock and other __getattr__ impostors
* - Added new checks for the common error case of passing mapped classesMike Bayer2015-08-2211-15/+139
| | | | | | or mapped instances into contexts where they are interpreted as SQL bound parameters; a new exception is raised for this. fixes #3321
* - rework the "controlling DDL sequences" documentation toMike Bayer2015-08-211-116/+124
| | | | | | refer mostly to the DDL object; this system is primarily useful in that case, and not for built-in objects. Reference that the built-in case is not really viable right now. References #3442.
* - some cleanups in compiler.pyMike Bayer2015-08-181-50/+32
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* - forgot to implement py3k logic for JSON.NULLMike Bayer2015-08-181-23/+21
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* - fix the postgresql_jsonb requirement to include the 9.4 requirementMike Bayer2015-08-184-8/+8
| | | | | | | | - new test for json col['x']['y']['z'] seems to fail pre PG 9.4, fails on comparisons for non-compatible data instead of not matching - no need to call SpecPredicate(db) directly in exclusion functions, by using Predicate.as_predicate() the spec strings can have version comparisons
* - as the Concatenable mixin was changed to support calling down toMike Bayer2015-08-183-3/+60
| | | | | | | | | | | | "super" instead of hardcoding to "self.type" for the default return value, the base Comparator was returning other_comparator.type. It's not clear what the rationale for this was, though in theory the base Comparator should possibly even throw an exception if the two types aren't the same (or of the same affinity?) . - mysql.SET was broken on this because the bitwise version adds "0" to the value to force an integer within column_expression, we are doing type_coerces here now in any case so that there is no type ambiguity for this operation
* - document workaround type for ARRAY of ENUM, fixes #3467Mike Bayer2015-08-182-0/+45
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* - merge of ticket_3514 None-handling branchMike Bayer2015-08-178-3/+416
| | | | | | | | | | | | | | | | - Fixes to the ORM and to the postgresql JSON type regarding the ``None`` constant in conjunction with the Postgresql :class:`.JSON` type. When the :paramref:`.JSON.none_as_null` flag is left at its default value of ``False``, the ORM will now correctly insert the Json "'null'" string into the column whenever the value on the ORM object is set to the value ``None`` or when the value ``None`` is used with :meth:`.Session.bulk_insert_mappings`, **including** if the column has a default or server default on it. This makes use of a new type-level flag "evaluates_none" which is implemented by the JSON type based on the none_as_null flag. fixes #3514 - Added a new constant :attr:`.postgresql.JSON.NULL`, indicating that the JSON NULL value should be used for a value regardless of other settings. part of fixes #3514
* - merge of ticket_3499 indexed access branchMike Bayer2015-08-1724-764/+1619
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - The "hashable" flag on special datatypes such as :class:`.postgresql.ARRAY`, :class:`.postgresql.JSON` and :class:`.postgresql.HSTORE` is now set to False, which allows these types to be fetchable in ORM queries that include entities within the row. fixes #3499 - The Postgresql :class:`.postgresql.ARRAY` type now supports multidimensional indexed access, e.g. expressions such as ``somecol[5][6]`` without any need for explicit casts or type coercions, provided that the :paramref:`.postgresql.ARRAY.dimensions` parameter is set to the desired number of dimensions. fixes #3487 - The return type for the :class:`.postgresql.JSON` and :class:`.postgresql.JSONB` when using indexed access has been fixed to work like Postgresql itself, and returns an expression that itself is of type :class:`.postgresql.JSON` or :class:`.postgresql.JSONB`. Previously, the accessor would return :class:`.NullType` which disallowed subsequent JSON-like operators to be used. part of fixes #3503 - The :class:`.postgresql.JSON`, :class:`.postgresql.JSONB` and :class:`.postgresql.HSTORE` datatypes now allow full control over the return type from an indexed textual access operation, either ``column[someindex].astext`` for a JSON type or ``column[someindex]`` for an HSTORE type, via the :paramref:`.postgresql.JSON.astext_type` and :paramref:`.postgresql.HSTORE.text_type` parameters. also part of fixes #3503 - The :attr:`.postgresql.JSON.Comparator.astext` modifier no longer calls upon :meth:`.ColumnElement.cast` implicitly, as PG's JSON/JSONB types allow cross-casting between each other as well. Code that makes use of :meth:`.ColumnElement.cast` on JSON indexed access, e.g. ``col[someindex].cast(Integer)``, will need to be changed to call :attr:`.postgresql.JSON.Comparator.astext` explicitly. This is part of the refactor in references #3503 for consistency in operator use.
* - correct this, need bracketsMike Bayer2015-08-151-1/+1
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* - make these failure cases more specific to catch Oracle.Mike Bayer2015-08-154-9/+43
| | | | Would be nice to fix Oracle here
* - add tests for InstanceEvents.init, InstanceEvents.init_failureMike Bayer2015-08-143-5/+105
| | | | | | | - ensure that kwargs can be modified in-place within InstanceEvents.init and that these take effect for the __init__ method. - improve documentation for these and related events, including that kwargs can be modified in-place.
* Tell Wheel to generate platform and interpreter specific wheelspr/194Donald Stufft2015-08-131-1/+16
| | | | | | | By telling wheel that we have extension modules, even though we have none, wheel will create a Wheel which is platform and interpreter specific. This will ensure that the pure Python wheels on PyPy do not trigger installs on CPython without the C speedups.
* - we can again use setuptools.find_packages since we require setuptoolsMike Bayer2015-08-131-25/+13
| | | | - clean up other things we aren't using anymore
* - The behavior of the :func:`.union` construct and related constructsMike Bayer2015-08-128-7/+312
| | | | | | | | | such as :meth:`.Query.union` now handle the case where the embedded SELECT statements need to be parenthesized due to the fact that they include LIMIT, OFFSET and/or ORDER BY. These queries **do not work on SQLite**, and will fail on that backend as they did before, but should now work on all other backends. fixes #2528
* - Fixed 1.0 regression where the "noload" loader strategy would failMike Bayer2015-08-115-7/+39
| | | | | | | | | to function for a many-to-one relationship. The loader used an API to place "None" into the dictionary which no longer actually writes a value; this is a side effect of :ticket:`3061`. - remove InstanceState._initialize() totally, it's used nowhere else and no longer does what it says it does - fill in fowards-port version ids throughout the changes for 1.0.9
* - pep8 test/orm/test_mapperMike Bayer2015-08-111-536/+698
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* - Fixed two issues regarding Sybase reflection, allowing tablesMike Bayer2015-08-102-6/+20
| | | | | | | | | without primary keys to be reflected as well as ensured that a SQL statement involved in foreign key detection is pre-fetched up front to avoid driver issues upon nested queries. Fixes here courtesy Eugene Zapolsky; note that we cannot currently test Sybase to locally verify these changes. fixes #3508 fixes #3509
* Merge pull request #192 from halfcrazy/patch-1mike bayer2015-08-091-1/+1
|\ | | | | fix typo int->into
| * fix typo int->intopr/192halfcrazy2015-08-091-1/+1
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* Merge pull request #191 from leorochael/leorochael-remove_dead_variablemike bayer2015-08-061-3/+0
|\ | | | | Remove useless code
| * Remove useless codepr/191Leonardo Rochael Almeida2015-08-061-3/+0
|/ | | `to_unicode` variable was created but was not used.
* - add a note clarifying query.with_labels(), fixes #3506Mike Bayer2015-08-031-0/+10
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* - Fixed issue where the SQL Server dialect would reflect a string-Mike Bayer2015-07-304-5/+83
| | | | | | | | | | | | or other variable-length column type with unbounded length by assigning the token ``"max"`` to the length attribute of the string. While using the ``"max"`` token explicitly is supported by the SQL Server dialect, it isn't part of the normal contract of the base string types, and instead the length should just be left as None. The dialect now assigns the length to None on reflection of the type so that the type behaves normally in other contexts. fixes #3504
* - Fixed support for cx_Oracle version 5.2, which was trippingMike Bayer2015-07-292-2/+16
| | | | | | | | up SQLAlchemy's version detection under Python 3 and inadvertently not using the correct unicode mode for Python 3. This would cause issues such as bound variables mis-interpreted as NULL and rows silently not being returned. fixes #3491
* - fix typo in suffix_with() docs, fixes #3502Mike Bayer2015-07-291-1/+1
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* - work to bridge between core/ORM tutorials regarding the text() constructMike Bayer2015-07-262-8/+31
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* - remove "completely raw", whatever that isMike Bayer2015-07-261-21/+16
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* - typoMike Bayer2015-07-261-1/+1
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* - add an example of text.columnsMike Bayer2015-07-261-4/+19
| | | | - correct the scalar() example output
* - remove "distutils-only" mode, use setuptools onlyMike Bayer2015-07-244-109/+109
| | | | | | - add first-class "pytest" runner to setup.py, fixes #3489 - remove references to setuptools Feature and mark that "--without-cextensions" is removed, fixes #3500
* - Organize the tree for 1.1Mike Bayer2015-07-249-15/+107
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* - An adjustment to the new Postgresql feature of reflecting storageMike Bayer2015-07-244-2/+20
| | | | | | | | | options and USING of :ticket:`3455` released in 1.0.6, to disable the feature for Postgresql versions < 8.2 where the ``reloptions`` column is not provided; this allows Amazon Redshift to again work as it is based on an 8.0.x version of Postgresql. Fix courtesy Pete Hollobon. references #3455
* 1.0.8rel_1_0_8Mike Bayer2015-07-222-2/+3
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* - categorize this correctlyMike Bayer2015-07-221-1/+1
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