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External dialects will definitely want to
be able to test their handling of Unicode
table/column names.
Change-Id: If1b67cf170dc9e4a42e3f51760ced8ddb7a34fcf
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This builds on cc718cccc0bf8a01abdf4068c7ea4f3 which moved
RowProxy to Row, allowing Row to be more like a named tuple.
- KeyedTuple in ORM is replaced with Row
- ResultSetMetaData broken out into "simple" and "cursor" versions
for ORM and Core, as well as LegacyCursor version.
- Row now has _mapping attribute that supplies full mapping behavior.
Row and SimpleRow both have named tuple behavior otherwise.
LegacyRow has some mapping features on the tuple which emit
deprecation warnings (e.g. keys(), values(), etc). the biggest
change for mapping->tuple is the behavior of __contains__ which
moves from testing of "key in row" to "value in row".
- ResultProxy breaks into ResultProxy and FutureResult (interim),
the latter has the newer APIs. Made available to dialects
using execution options.
- internal reflection methods and most tests move off of implicit
Row mapping behavior and move to row._mapping, result.mappings()
method using future result
- a new strategy system for cursor handling replaces the various
subclasses of RowProxy
- some execution context adjustments. We will leave EC in but
refined things like get_result_proxy() and out parameter handling.
Dialects for 1.4 will need to adjust from get_result_proxy()
to get_result_cursor_strategy(), if they are using this method
- out parameter handling now accommodated by get_out_parameter_values()
EC method. Oracle changes for this. external dialect for
DB2 for example will also need to adjust for this.
- deprecate case_insensitive flag for engine / result, this
feature is not used
mapping-methods on Row are deprecated, and replaced with
Row._mapping.<meth>, including:
row.keys() -> use row._mapping.keys()
row.items() -> use row._mapping.items()
row.values() -> use row._mapping.values()
key in row -> use key in row._mapping
int in row -> use int < len(row)
Fixes: #4710
Fixes: #4878
Change-Id: Ieb9085e9bcff564359095b754da9ae0af55679f0
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Changed the ``repr()`` of the :class:`.quoted_name` construct to use
regular string repr() under Python 3, rather than running it through
"backslashreplace" escaping, which can be misleading.
Modified the approach of "name normalization" for the Oracle and Firebird
dialects, which converts from the UPPERCASE-as-case-insensitive convention
of these dialects into lowercase-as-case-insensitive for SQLAlchemy, to not
automatically apply the :class:`.quoted_name` construct to a name that
matches itself under upper or lower case conversion, as is the case for
many non-european characters. All names used within metadata structures
are converted to :class:`.quoted_name` objects in any case; the change
here would only affect the output of some inspection functions.
Moved name normalize to be under default dialect, added test coverage
in test/sql/test_quote.py
Fixes: #4931
Change-Id: Ic121b20e07249824710a54423e321d94a425362f
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Applied on top of a pure run of black -l 79 in
I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9, this set of changes
resolves all remaining flake8 conditions for those codes
we have enabled in setup.cfg.
Included are resolutions for all remaining flake8 issues
including shadowed builtins, long lines, import order, unused
imports, duplicate imports, and docstring issues.
Change-Id: I4f72d3ba1380dd601610ff80b8fb06a2aff8b0fe
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This is a straight reformat run using black as is, with no edits
applied at all.
The black run will format code consistently, however in
some cases that are prevalent in SQLAlchemy code it produces
too-long lines. The too-long lines will be resolved in the
following commit that will resolve all remaining flake8 issues
including shadowed builtins, long lines, import order, unused
imports, duplicate imports, and docstring issues.
Change-Id: I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9
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- apply autopep8 + manual fixes to most of test/sql/
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for the ``description_encoding`` dialect parameter, which when
not explicitly set was preventing cursor.description from
being parsed correctly in the case of result sets that
contained names in alternate encodings. This parameter
shouldn't be needed going forward.
fixes #3091
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number of tests.
- move out logging tests from test_execute to test_logging
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is currently being supported in addition to nose, and will likely
be preferred to nose going forward. The nose plugin system used
by SQLAlchemy has been split out so that it works under pytest as
well. There are no plans to drop support for nose at the moment
and we hope that the test suite itself can continue to remain as
agnostic of testing platform as possible. See the file
README.unittests.rst for updated information on running tests
with pytest.
The test plugin system has also been enhanced to support running
tests against mutiple database URLs at once, by specifying the ``--db``
and/or ``--dburi`` flags multiple times. This does not run the entire test
suite for each database, but instead allows test cases that are specific
to certain backends make use of that backend as the test is run.
When using pytest as the test runner, the system will also run
specific test suites multiple times, once for each database, particularly
those tests within the "dialect suite". The plan is that the enhanced
system will also be used by Alembic, and allow Alembic to run
migration operation tests against multiple backends in one run, including
third-party backends not included within Alembic itself.
Third party dialects and extensions are also encouraged to standardize
on SQLAlchemy's test suite as a basis; see the file README.dialects.rst
for background on building out from SQLAlchemy's test platform.
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table and column names would fail if the name contained non-ascii
characters. [ticket:2868]
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encoded in them vs. unicode escaping. not worth figuring out how to combine
these right now
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- went through examples/ and cleaned out excess list() calls
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become an externally usable package but still remains within the main sqlalchemy parent package.
in this system, we use kind of an ugly hack to get the noseplugin imported outside of the
"sqlalchemy" package, while still making it available within sqlalchemy for usage by
third party libraries.
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classes to a new test.lib.fixtures module
- move testing.TestBase to test.lib.fixtures
- massive search and replace
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of this object has been simplified and moved into
ExecutionContext. Dialects which support sequences should
add a `fire_sequence()` method to their execution context
implementation. [ticket:1566]
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See README.unittests for information on how to run
the tests. [ticket:970]
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