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path: root/lib/sqlalchemy/dialects/mysql/cymysql.py
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* happy new year 2023Mike Bayer2023-01-031-1/+1
| | | | Change-Id: I625af65b3fb1815b1af17dc2ef47dd697fdc3fb1
* inline mypy config; files ignoring type errors for the momentMike Bayer2022-04-281-0/+2
| | | | | | | | | | | | | | | | | | | to simplify pyproject.toml change the remaining files that aren't going to be typed on this first pass (unless of course someone wants to type some of these) to include # mypy: ignore-errors. for the moment, only a handful of ORM modules are to have more type checking implemented. It's important that ignore-errors is used and not "# type: ignore", as in the latter case, mypy doesn't even read the existing types in the file, which makes it impossible to type any files that refer to those modules at all. to simplify ongoing typing work use inline mypy config for remaining files that are "done" for now, indicating the level of type checking they currently have. Change-Id: I98669c1a305c2f0adba85d10b5425541f3fe9533
* pep-484 for engineMike Bayer2022-03-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All modules in sqlalchemy.engine are strictly typed with the exception of cursor, default, and reflection. cursor and default pass with non-strict typing, reflection is waiting on the multi-reflection refactor. Behavioral changes: * create_connect_args() methods return a tuple of list, dict, rather than a list of list, dict * removed allow_chars parameter from pyodbc connector ._get_server_version_info() method * the parameter list passed to do_executemany is now a list in all cases. previously, this was being run through dialect.execute_sequence_format, which defaults to tuple and was only intended for individual tuple params. * broke up dialect.dbapi into dialect.import_dbapi class method and dialect.dbapi module object. added a deprecation path for legacy dialects. it's not really feasible to type a single attr as a classmethod vs. module type. The "type_compiler" attribute also has this problem with greater ability to work around, left that one for now. * lots of constants changing to be Enum, so that we can type them. for fixed tuple-position constants in cursor.py / compiler.py (which are used to avoid the speed overhead of namedtuple), using Literal[value] which seems to work well * some tightening up in Row regarding __getitem__, which we can do since we are on full 2.0 style result use * altered the set_connection_execution_options and set_engine_execution_options event flows so that the dictionary of options may be mutated within the event hook, where it will then take effect as the actual options used. Previously, changing the dict would be silently ignored which seems counter-intuitive and not very useful. * A lot of DefaultDialect/DefaultExecutionContext methods and attributes, including underscored ones, move to interfaces. This is not fully ideal as it means the Dialect/ExecutionContext interfaces aren't publicly subclassable directly, but their current purpose is more of documentation for dialect authors who should (and certainly are) still be subclassing the DefaultXYZ versions in all cases Overall, Result was the most extremely difficult class hierarchy to type here as this hierarchy passes through largely amorphous "row" datatypes throughout, which can in fact by all kinds of different things, like raw DBAPI rows, or Row objects, or "scalar"/Any, but at the same time these types have meaning so I tried still maintaining some level of semantic markings for these, it highlights how complex Result is now, as it's trying to be extremely efficient and inlined while also being very open-ended and extensible. Change-Id: I98b75c0c09eab5355fc7a33ba41dd9874274f12a
* happy new year 2022Mike Bayer2022-01-061-1/+1
| | | | Change-Id: I49abf2607e0eb0623650efdf0091b1fb3db737ea
* Clean up most py3k compatFederico Caselli2021-11-241-1/+1
| | | | Change-Id: I8172fdcc3103ff92aa049827728484c8779af6b7
* Replace all http:// links to https://Federico Caselli2021-07-041-1/+1
| | | | | | Also replace http://pypi.python.org/pypi with https://pypi.org/project Change-Id: I84b5005c39969a82140706472989f2a30b0c7685
* Default caching to opt-out for 3rd party dialectsMike Bayer2021-04-011-0/+1
| | | | | | | | | | | | | | | | | | | Added a new flag to the :class:`_engine.Dialect` class called :attr:`_engine.Dialect.supports_statement_cache`. This flag now needs to be present directly on a dialect class in order for SQLAlchemy's :ref:`query cache <sql_caching>` to take effect for that dialect. The rationale is based on discovered issues such as :ticket:`6173` revealing that dialects which hardcode literal values from the compiled statement, often the numerical parameters used for LIMIT / OFFSET, will not be compatible with caching until these dialects are revised to use the parameters present in the statement only. For third party dialects where this flag is not applied, the SQL logging will show the message "dialect does not support caching", indicating the dialect should seek to apply this flag once they have verified that no per-statement literal values are being rendered within the compilation phase. Fixes: #6184 Change-Id: I6fd5b5d94200458d4cb0e14f2f556dbc25e27e22
* happy new yearMike Bayer2021-01-041-1/+1
| | | | Change-Id: Ic5bb19ca8be3cb47c95a0d3315d84cb484bac47c
* upgrade to black 20.8b1Mike Bayer2020-09-281-2/+1
| | | | | | | It's better, the majority of these changes look more readable to me. also found some docstrings that had formatting / quoting issues. Change-Id: I582a45fde3a5648b2f36bab96bad56881321899b
* happy new yearMike Bayer2020-01-011-1/+1
| | | | Change-Id: I08440dc25e40ea1ccea1778f6ee9e28a00808235
* Note DBAPIs and dialects that we don't supportMike Bayer2019-07-051-0/+6
| | | | | | | | | | | | | | Since we have strong CI for the DBAPIs and dialects that are actively supported, this indicates that those DBAPIs that aren't in CI are continuing to fall behind in support, to the point where we can not address issues that may arise. As such, the Sybase and Firebird dialects overall are moving into an explicit "not supported" zone where we would like to eventually remove them. Additionally, a pass is made through legacy MySQL and PostgreSQL DBAPI dialects as well as those which we aren't able to include in CI to note that these DBAPIs aren't actively supported by the project. Change-Id: I61f1515b97b741b7534b54e434e3e47065df7b5d
* happy new yearMike Bayer2019-01-111-1/+1
| | | | Change-Id: I6a71f4924d046cf306961c58dffccf21e9c03911
* Post black reformattingMike Bayer2019-01-061-7/+5
| | | | | | | | | | | | | 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
* Run black -l 79 against all source filesMike Bayer2019-01-061-11/+13
| | | | | | | | | | | | | | 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
* Get MySQL version info from @@versionMike Bayer2018-03-031-11/+0
| | | | | | | | | | | | | MySQL dialects now query the server version using ``SELECT @@version`` explicitly to the server to ensure we are getting the correct version information back. Proxy servers like MaxScale interfere with the value that is passed to the DBAPI's connection.server_version value so this is no longer reliable. Change-Id: Iafd39be8c9bf1982d58b34cc997ae1016ad6c48c Fixes: #4205 (cherry picked from commit 9ba77e8d3b682bff89fdab5e80271a96a52fe8c8) (cherry picked from commit 5c1ebbc3706c810f936d9e252ee5d16800e561ea)
* happy new yearMike Bayer2018-01-121-1/+1
| | | | Change-Id: I3ef36bfd0cb0ba62b3123c8cf92370a43156cf8f
* Support python3.6Mike Bayer2017-01-131-1/+1
| | | | | | | | | | | Corrects some warnings and adds tox config. Adds DeprecationWarning to the error category. Large sweep for string literals w/ backslashes as this is common in docstrings Co-authored-by: Andrii Soldatenko Fixes: #3886 Change-Id: Ia7c838dfbbe70b262622ed0803d581edc736e085 Pull-request: https://github.com/zzzeek/sqlalchemy/pull/337
* update for 2017 copyrightMike Bayer2017-01-041-1/+1
| | | | Change-Id: I4e8c2aa8fe817bb2af8707410fa0201f938781de
* - happy new yearMike Bayer2016-01-291-1/+1
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* - copyright 2015Mike Bayer2015-03-101-1/+1
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* - apply pep8 formatting to sqlalchemy/sql, sqlalchemy/util, sqlalchemy/dialects,Brian Jarrett2014-07-201-2/+4
| | | | sqlalchemy/orm, sqlalchemy/event, sqlalchemy/testing
* - break up the <authors> copyright comment as part of a passMike Bayer2014-07-091-1/+2
| | | | to get all flake8 passing
* Parse server version info more robustlypr/69Matt (work)2014-02-111-1/+8
| | | | Closes #2934
* - add a few missing methods to the cymysql dialectMike Bayer2014-02-021-0/+8
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* - happy new yearMike Bayer2014-01-051-1/+1
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* Improved support for the cymysql driver, supporting version 0.6.5,Mike Bayer2013-08-171-1/+3
| | | | courtesy Hajime Nakagami.
* plugging awayMike Bayer2013-04-271-8/+1
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* - the raw 2to3 runMike Bayer2013-04-271-8/+9
| | | | - went through examples/ and cleaned out excess list() calls
* mysql+cymysql dialect supports_sane_rowcount = FalseHajime Nakagami2013-04-131-0/+1
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* a bit revertHajime Nakagami2013-04-131-8/+0
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* do_execute() hook in cymysql dialectHajime Nakagami2013-03-071-0/+8
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* is_disconnect() in cymysql dialectHajime Nakagami2013-03-021-0/+11
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* modify _extract_error_code() at cymysql dialectHajime Nakagami2013-03-021-5/+1
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* fix easy missHajime Nakagami2013-03-011-0/+1
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* fix easy missHajime Nakagami2013-03-011-4/+4
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* cython's result_processor()Hajime Nakagami2013-03-011-0/+29
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* return erro_code cymysql dialectsHajime Nakagami2013-02-261-4/+5
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* fix cymysql's _extact_error_code() for py3Hajime Nakagami2013-02-261-1/+4
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* cython's _extract_error_code()Hajime Nakagami2013-02-251-1/+3
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* add cymysql dialectHajime Nakagami2013-02-171-0/+29
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