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File python-alembic.changes of Package python-alembic
------------------------------------------------------------------- Fri May 17 13:09:48 UTC 2024 - Markéta Machová <mmachova@suse.com> - Add pytest8.patch to fix the tests with the new pytest ------------------------------------------------------------------- Wed Dec 27 09:35:46 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.13.1: * Fixed :class:`.Rewriter` so that more than two instances could be chained together correctly, also allowing multiple ``process_revision_directives`` callables to be chained. * Fixed issue where the method :meth:`.EnvironmentContext.get_x_argument` using the :paramref:`.EnvironmentContext.get_x_argument.as_dictionary` parameter would fail if an argument key were passed on the command line as a name alone, that is, without an equal sign ``=`` or a value. Behavior is repaired where this condition is detected and will return a blank string for the given key, consistent with the behavior where the ``=`` sign is present and no value. * Fixed issue where the "unique" flag of an ``Index`` would not be maintained when generating downgrade migrations. * Fixed bug in versioning model where a downgrade across a revision with two down revisions with one down revision depending on the other, would produce an erroneous state in the alembic_version table, making upgrades impossible without manually repairing the table. * Updated pep-484 typing to pass mypy "strict" mode, however including per-module qualifications for specific typing elements not yet complete. * This allows us to catch specific typing issues that have been ongoing such as import symbols not properly exported. ------------------------------------------------------------------- Thu Dec 14 09:13:53 UTC 2023 - Petr Gajdos <pgajdos@suse.com> - update to 1.13.0: * Fixed issue where the ``alembic check`` command did not function correctly with upgrade structures that have multiple, top-level elements, as are generated from the "multi-env" environment template. * Updated logic introduced in :ticket:`151` to allow ``if_exists`` and ``if_not_exists`` on index operations also on SQLAlchemy 1.4 series. Previously this feature was mistakenly requiring the 2.0 series. * Replaced ``python-dateutil`` with the standard library module zoneinfo. * Alembic 1.13 now supports Python 3.8 and above. * Fixed autogenerate issue where ``create_table_comment()`` and ``drop_table_comment()`` rendering in a batch table modify would include the "table" and "schema" arguments, which are not accepted in batch as these are already part of the top level block. * Additional fixes to PostgreSQL expression index compare feature. The compare now correctly accommodates casts and differences in spacing. * Added detection logic for operation clauses inside the expression, skipping the compare of these expressions. * To accommodate these changes the logic for the comparison of the indexes and unique constraints was moved to the dialect implementation, allowing greater flexibility. ------------------------------------------------------------------- Tue Nov 14 12:40:19 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.12.1: * Fixed regression caused by :ticket:`879` released in 1.7.0 where the ".info" dictionary of ``Table`` would not render in autogenerate create table statements. This can be useful for custom create table DDL rendering schemes so it is restored. * Improved typing in the :paramref:`.EnvironmentContext.configure.process_revision_dir ectives` callable to better indicate that the passed-in type is :class:`.MigrationScript`, not the :class:`.MigrationOperation` base class, and added typing to the example at :ref:`cookbook_no_empty_migrations` to illustrate. * Repaired :class:`.ExecuteSQLOp` so that it can participate in "diff" operations; while this object is typically not present in a reflected operation stream, custom hooks may be adding this construct where it needs to have the correct ``to_diff_tuple()`` method. * Improved the ``op.execute()`` method to correctly accept the * ``Executable`` type that is the same which is used in SQLAlchemy ``Connection.execute()``. * Improve typing of the revision parameter in various command functions. * Fixed autogen render issue where expressions inside of indexes for PG need to be double-parenthesized, meaning a single parens must be present within the generated ``text()`` construct. * Alembic now accommodates for Sequence and Identity that support dialect kwargs. This is a change that will be added to SQLAlchemy v2.1. ------------------------------------------------------------------- Mon Sep 25 22:38:26 UTC 2023 - Matej Cepl <mcepl@suse.com> - Clean up the SPEC file ------------------------------------------------------------------- Mon Sep 25 14:53:14 UTC 2023 - Ondřej Súkup <mimi.vx@gmail.com> - update to 1.12.0 * Added new feature to the "code formatter" function which allows standalone executable tools to be run against code, without going through the Python interpreter. Known as the `exec` runner, it complements the existing `console_scripts` runner by allowing non-Python tools such as `ruff` to be used. * Change the default value of `.EnvironmentContext.configure.compare_type` to `True`. As Alembic's autogenerate for types was dramatically improved in version 1.4 released in 2020, the type comparison feature is now much more reliable so is now enabled by default. * Fixed issue where the `ForeignKeyConstraint.match` parameter would not be rendered in autogenerated migrations. * Fixed issue where the `revision_environment` directive in `alembic.ini` was ignored by the `alembic merge` command, leading to issues when other configurational elements depend upon `env.py` being invoked within the command. * Added support for `op.drop_constraint()` to support PostgreSQL `ExcludeConstraint` objects, as well as other constraint-like objects that may be present in third party dialects, by resolving the `type_` parameter to be `None` for this case. Autogenerate has also been enhanced to exclude the `type_` parameter from rendering within this command when `type_` is `None`. ------------------------------------------------------------------- Sun Aug 13 19:32:21 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.11.2: * Added typing to the default script mako templates. * Added support in autogenerate for NULLS NOT DISTINCT in * the PostgreSQL dialect. * Fixed format string logged when running a post write hook * Added parameters if_exists and if_not_exists for index operations. ------------------------------------------------------------------- Sat Jul 29 21:17:43 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.11.1: * As Alembic 1.11.0 is considered a major release (Alembic does not use semver, nor does its parent project SQLAlchemy; this has been `clarified <versioning_scheme>` in the documentation), * :ticket:`1130` modified calling signatures for most operations to consider all optional keyword parameters to be keyword-only arguments, to match what was always documented and generated by autogenerate. However, two of these changes were identified as possibly problematic without a more formal deprecation warning being emitted which were the ``table_name`` parameter to :meth:`.Operations.drop_index`, which was generated positionally by autogenerate prior to version 0.6.3 released in 2014, and ``type_`` in :meth:`.Operations.drop_constraint` and :meth:`.BatchOperations.drop_constraint`, which was documented positionally in one example in the batch documentation. * Fixed typing use of :class:`~sqlalchemy.schema.Column` and other generic SQLAlchemy classes. * Restored the output type of :meth:`.Config.get_section` to include ``Dict[str, str]`` as a potential return type, which had been changed to immutable ``Mapping[str, str]``. When a section is returned and the default is not used, a mutable dictionary is returned. * Added placeholder classes for :class:`~.sqla.Computed` and * :class:`~.sqla.Identity` when older 1.x SQLAlchemy versions are in use, namely prior to SQLAlchemy 1.3.11 when the :class:`~.sqla.Computed` construct was introduced. Previously these were set to None, however this could cause issues with certain codepaths that were using ``isinstance()`` such as one within "batch mode". * Correctly pass previously ignored arguments ``insert_before`` and ``insert_after`` in ``batch_alter_column`` * Argument signatures of Alembic operations now enforce keyword-only arguments as passed as keyword and not positionally, such as Operations.create_table.schema .Operations.add_column.type_, etc. * Fix autogenerate issue with PostgreSQL :class:`.ExcludeConstraint` that included sqlalchemy functions. The function text was previously rendered as a plain string without surrounding with ``text()``. * Fixed regression caused by :ticket:`1166` released in version 1.10.0 which caused MySQL unique constraints with multiple columns to not compare correctly within autogenerate, due to different sorting rules on unique constraints vs. indexes, which in MySQL are shared constructs. * Repaired the return signatures for :class:`.Operations` that mostly return ``None``, and were erroneously referring to ``Optional[Table]`` in many cases. * Modified the autogenerate implementation for comparing "server default" values from user-defined metadata to not apply any quoting to the value before comparing it to the server-reported default, except for within dialect-specific routines as needed. This change will affect the format of the server default as passed to the :paramref:`.EnvironmentContext.configure.compare_server_defau lt` hook, as well as for third party dialects that implement a custom ``compare_server_default`` hook in their alembic impl, to be passed "as is" and not including additional quoting. Custom implementations which rely on this quoting should adjust their approach based on observed formatting. * allow running async functions in the ``upgrade`` or ``downgrade`` migration function when running alembic using an async dialect. This function will receive as first argument an :class:`~sqlalchemy.ext.asyncio.AsyncConnection` sharing the transaction used in the migration context. ------------------------------------------------------------------- Tue Jun 13 11:35:16 UTC 2023 - Dirk Müller <dmueller@suse.com> - tag sle15 build for new python ------------------------------------------------------------------- Fri May 5 22:12:29 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.10.4: * Added support for autogenerate comparison of indexes on PostgreSQL which include SQL sort option, such as ``ASC`` or ``NULLS FIRST``. * Fixed various typing issues observed with pyright, including issues involving the combination of :class:`.Function` and :meth:`.MigrationContext.begin_transaction`. * Fixed error raised by alembic when running autogenerate after removing a function based index. * Fixed regression where Alembic would not run with older SQLAlchemy 1.3 versions prior to 1.3.24 due to a missing symbol. Workarounds have been applied for older 1.3 versions. * Fixed issue regarding PostgreSQL :class:`.ExcludeConstraint`, where constraint elements which made use of :func:`.literal_column` could not be rendered for autogenerate. Additionally, using SQLAlchemy 2.0.5 or greater, :func:`.text()` constructs are also supported within PostgreSQL :class:`.ExcludeConstraint` objects for autogenerate render. * Fixed issue in index detection where autogenerate change detection would consider indexes with the same columns but with different order as equal, while in general they are not equivalent in how a database will use them. * Recursive traversal of revision files in a particular revision directory is now supported, by indicating ``recursive_version_locations = true`` in alembic.ini. * Fixed issue where indexes on SQLite which include SQL expressions would not compare correctly, generating false positives under autogenerate. These indexes are now skipped, generating a warning, in the same way that expression-based indexes on PostgreSQL are skipped and generate warnings when SQLAlchemy 1.x installations are in use. Note that reflection of SQLite expression-based indexes continues to not yet be supported under SQLAlchemy 2.0, even though PostgreSQL expression-based indexes have now been implemented. * Properly escape constraint name on SQL Server when dropping a column while specifying ``mssql_drop_default=True`` or ``mssql_drop_check=True`` or ``mssql_drop_foreign_key=True``. ------------------------------------------------------------------- Fri Feb 10 12:36:15 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.9.3: * Fixed issue where rendering of user-defined types that then went onto use the .with_variant() method would fail to render, if using SQLAlchemy 2.0's version of variants. ------------------------------------------------------------------- Sat Jan 28 14:31:09 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.9.2: * Fixed typing definitions for :meth:`.EnvironmentContext.get_x_argument`. Typing stubs are now generated for overloaded proxied methods such as * Fixed regression caused by :ticket:`1145` where the string transformations applied to server defaults caused expressions such as ``(getdate())`` to no longer compare as equivalent on SQL Server, others. ------------------------------------------------------------------- Thu Jan 5 20:33:31 UTC 2023 - Dirk Müller <dmueller@suse.com> - update to 1.9.1: .. change:: :tickets: 1145 Fixed issue where server default compare would not work for string defaults that contained backslashes, due to mis-rendering of these values when comparing their contents. .. change:: :tags: bug, oracle Implemented basic server default comparison for the Oracle backend; previously, Oracle's formatting of reflected defaults prevented any matches from occurring. .. change:: :tags: bug, sqlite Adjusted SQLite's compare server default implementation to better handle defaults with or without parens around them, from both the reflected and the local metadata side. .. change:: :tags: bug, mssql Adjusted SQL Server's compare server default implementation to better handle defaults with or without parens around them, from both the reflected and the local metadata side. ------------------------------------------------------------------- Thu Jan 5 19:06:37 UTC 2023 - Yogalakshmi Arunachalam <yarunachalam@suse.com> - Update to 1.9.0: feature * Added new Alembic command alembic check. This performs the widely requested feature of running an “autogenerate” comparison between the current database and the MetaData that’s currently set up for autogenerate, returning an error code if the two do not match, based on current autogenerate settings. Pull request courtesy Nathan Louie. See also Running Alembic Check to test for new upgrade operations References: #724 bug * Fixed issue in tox.ini file where changes in the tox 4.0 series to the format of “passenv” caused tox to not function correctly, in particular raising an error as of tox 4.0.6. * Fixed typing issue where revision.process_revision_directives was not fully typed; additionally ensured all Callable and Dict arguments to EnvironmentContext.configure() include parameters in the typing declaration. Additionally updated the codebase for Mypy 0.990 compliance. References: #1110 ------------------------------------------------------------------- Mon Aug 1 21:38:44 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 1.8.1: * Fixed bug where the SQLite implementation of :meth:`.Operations.rename_table` would render an explicit schema name for both the old and new table name, which while is the standard ALTER syntax, is not accepted by SQLite's syntax which doesn't support a rename across schemas. In particular, the syntax issue would prevent batch mode from working for SQLite databases that made use of attached databases (which are treated as "schemas" in SQLAlchemy). * Added an error raise for the condition where :meth:`.Operations.batch_alter_table` is used in ``--sql`` mode, where the operation requires table reflection, as is the case when running against SQLite without giving it a fixed ``Table`` object. Previously the operation would fail with an internal error. To get a "move and copy" batch operation as a SQL script without connecting to a database, a ``Table`` object should be passed to the :paramref:`.Operations.batch_alter_table.copy_from` parameter so that reflection may be skipped. ------------------------------------------------------------------- Sat Jun 4 20:32:32 UTC 2022 - Arun Persaud <arun@gmx.de> - update to version 1.8.0: * changed + [changed] [installation] Alembic 1.8 now supports Python 3.7 and above. References: #1025 + [changed] [environment] The “Pylons” environment template has been removed as of Alembic 1.8. This template was based on the very old pre-Pyramid Pylons web framework which has been long superseded by Pyramid. References: #987 * feature + [feature] [typing] PEP 484 typing annotations have been added to the env.py and revision template files within migration templates. Pull request by Nikita Sobolev. References: #764 * usecase + [usecase] [operations] The op.drop_table() operation directive will now trigger the before_drop() and after_drop() DDL event hooks at the table level, which is similar to how the before_create() and after_create() hooks are triggered by the op.create_table() directive. Note that as op.drop_table() accepts only a table name and optional schema name, the Table object received by the event will not have any information within it other than the table name and schema name. References: #1037 + [usecase] [commands] Added new token epoch to the file_template option, which will populate the integer epoch as determined by int(create_date.timestamp()). Pull request courtesy Caio Carvalho. References: #1027 * bug + [bug] [revisioning] Fixed issue where a downgrade using a relative revision would fail in case of multiple branches with a single effectively head due to interdependencies between revisions. References: #1026 + [bug] [batch] Fixed issue in batch mode where CREATE INDEX would not use a new column name in the case of a column rename. References: #1034 ------------------------------------------------------------------- Sat Mar 26 20:27:41 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 1.7.7: * Fixed issue where using :meth:`.Operations.create_table` in conjunction with a :class:`.CheckConstraint` that referred to table-bound :class:`.Column` objects rather than string expressions would be added to the parent table potentially multiple times, resulting in an incorrect DDL sequence. Pull request courtesy Nicolas CANIART. * The ``logging.fileConfig()`` line in ``env.py`` templates, which is used to setup Python logging for the migration run, is now conditional on :attr:`.Config.config_file_name` not being ``None``. Otherwise, the line is skipped as there is no default logging configuration present. * Fixed bug where an :meth:`.Operations.alter_column` operation would change a "NOT NULL" column to "NULL" by emitting an ALTER COLUMN statement that did not specify "NOT NULL". (In the absence of "NOT NULL" T-SQL was implicitly assuming "NULL"). An :meth:`.Operations.alter_column` operation that specifies :paramref:`.Operations.alter_column.type` should also specify include either :paramref:`.Operations.alter_column.nullable` or :paramref:`.Operations.alter_column.existing_nullable` to inform Alembic as to whether the emitted DDL should include "NULL" or "NOT NULL"; a warning is now emitted if this is missing under this scenario. ------------------------------------------------------------------- Mon Feb 14 21:37:49 UTC 2022 - Dirk Müller <dmueller@suse.com> - update to 1.7.6: * Add a new command alembic ensure_version, which will ensure that the Alembic version table is present in the target database, but does not alter its contents. * Fixed regression where usage of a with_variant() datatype in conjunction with the existing_type option of op.alter_column() under batch mode would lead to an internal exception. * Implemented support for recognizing and rendering SQLAlchemy “variant” types going forward into SQLAlchemy 2.0, where the architecture of “variant” datatypes will be changing. * Added a rule to the MySQL impl so that the translation between JSON / LONGTEXT is accommodated by autogenerate, treating LONGTEXT from the server as equivalent to an existing JSON in the model. * Removed a warning raised by SQLAlchemy when dropping constraints on MSSQL regarding statement caching. ------------------------------------------------------------------- Mon Dec 6 17:51:23 UTC 2021 - Dirk Müller <dmueller@suse.com> - update to 1.7.5: * Adjustments to the test suite to accommodate for error message change in newer SQLAlchemy ------------------------------------------------------------------- Sat Nov 6 11:28:24 UTC 2021 - Ben Greiner <code@bnavigator.de> - Update requirements - Remove unused python-alembic-rpmlintrc ------------------------------------------------------------------- Sun Oct 17 22:28:50 UTC 2021 - Dirk Müller <dmueller@suse.com> - update to 1.7.4: * Fixed a regression that prevented the use of post write hooks on python version lower than 3.9 * Added missing attributes from context stubs. * Fixed issue where registration of custom ops was prone to failure due to the registration process running exec() on generated code that as of the 1.7 series includes pep-484 annotations, which in the case of end user code would result in name resolution errors when the exec occurs ------------------------------------------------------------------- Sun Sep 5 16:08:27 UTC 2021 - Arun Persaud <arun@gmx.de> - specfile: * skip python 2 builds * require importlib-resources - update to version 1.7.1: * Corrected "universal wheel" directive in setup.cfg so that building a wheel does not target Python 2. The PyPi files index for 1.7.0 was corrected manually. Pull request courtesy layday. * Fixed issue in generated .pyi files where default values for "Optional" arguments were missing, thereby causing mypy to consider them as required. * Fixed regression in batch mode due to :ticket:`883` where the "auto" mode of batch would fail to accommodate any additional migration directives beyond encountering an "add_column()" directive, due to a mis-application of the conditional logic that was added as part of this change, leading to "recreate" mode not being used in cases where it is required for SQLite such as for unique constraints. - changes from version 1.7.0: * Fixed regression due to :ticket:`803` where the ".info" and ".comment" attributes of "Table" would be lost inside of the :class:`.DropTableOp` class, which when "reversed" into a :class:`.CreateTableOp` would then have lost these elements. Pull request courtesy Nicolas CANIART. * Enhance "version_locations" parsing to handle paths containing spaces. The new configuration option "version_path_separator" specifies the character to use when splitting the "version_locations" string. The default for new configurations is "version_path_separator = os", which will use "os.pathsep" (e.g., ";" on Windows). * Alembic 1.7 now supports Python 3.6 and above; support for prior versions including Python 2.7 has been dropped. * Batch "auto" mode will now select for "recreate" if the "add_column()" operation is used on SQLite, and the column itself meets the criteria for SQLite where ADD COLUMN is not allowed, in this case a functional or parenthesized SQL expression or a "Computed" (i.e. generated) column. * Make the "python-dateutil" library an optional dependency. This library is only required if the "timezone" option is used in the Alembic configuration. An extra require named "tz" is available with "pip install alembic[tz]" to install it. * Re-implemented the "python-editor" dependency as a small internal function to avoid the need for external dependencies. * Named CHECK constraints are now supported by batch mode, and will automatically be part of the recreated table assuming they are named. They also can be explicitly dropped using "op.drop_constraint()". For "unnamed" CHECK constraints, these are still skipped as they cannot be distinguished from the CHECK constraints that are generated by the "Boolean" and "Enum" datatypes. Note that this change may require adjustments to migrations that drop or rename columns which feature an associated named check constraint, such that an additional "op.drop_constraint()" directive should be added for that named constraint as there will no longer be an associated column for it; for the "Boolean" and "Enum" datatypes, an "existing_type" keyword may be passed to "BatchOperations.drop_constraint" as well. * The dependency on "pkg_resources" which is part of "setuptools" has been removed, so there is no longer any runtime dependency on "setuptools". The functionality has been replaced with "importlib.metadata" and "importlib.resources" which are both part of Python std.lib, or via pypy dependency "importlib-metadata" for Python version < 3.8 and "importlib-resources" for Python version < 3.9 (while importlib.resources was added to Python in 3.7, it did not include the "files" API until 3.9). * Created a "test suite" similar to the one for SQLAlchemy, allowing developers of third-party dialects to test their code against a set of Alembic tests that have been specially selected to exercise back-end database operations. At the time of release, third-party dialects that have adopted the Alembic test suite to verify compatibility include `CockroachDB <https://pypi.org/project/sqlalchemy-cockroachdb/>`_ and `SAP ASE (Sybase) <https://pypi.org/project/sqlalchemy-sybase/>`_. * Fixed issue where usage of the PostgreSQL "postgresql_include" option within a :meth:`.Operations.create_index` would raise a KeyError, as the additional column(s) need to be added to the table object used by the construct internally. The issue is equivalent to the SQL Server issue fixed in :ticket:`513`. Pull request courtesy Steven Bronson. * pep-484 type annotations have been added throughout the library. Additionally, stub .pyi files have been added for the "dynamically" generated Alembic modules "alembic.op" and "alembic.config", which include complete function signatures and docstrings, so that the functions in these namespaces will have both IDE support (vscode, pycharm, etc) as well as support for typing tools like Mypy. The files themselves are statically generated from their source functions within the source tree. ------------------------------------------------------------------- Sun Jun 6 13:39:34 UTC 2021 - Dirk Müller <dmueller@suse.com> - update to 1.6.5: * feature + [feature] [autogenerate] Fix the documentation regarding the default command-line argument position of the revision script filename within the post-write hook arguments. Implement a REVISION_SCRIPT_FILENAME token, enabling the position to be changed. Switch from str.split() to shlex.split() for more robust command-line argument parsing. + [feature] Implement a .cwd (current working directory) suboption for post-write hooks (of type console_scripts). This is useful for tools like pre-commit, which rely on the working directory to locate the necessary config files. Add pre-commit as an example to the documentation. Minor change: rename some variables from ticket #819 to improve readability. * bug + [bug] [autogenerate] Refactored the implementation of MigrateOperation constructs such as CreateIndexOp, CreateTableOp, etc. so that they no longer rely upon maintaining a persistent version of each schema object internally; instead, the state variables of each operation object will be used to produce the corresponding construct when the operation is invoked. The rationale is so that environments which m ------------------------------------------------------------------- Fri May 14 01:18:46 UTC 2021 - Arun Persaud <arun@gmx.de> - update to version 1.6.2: * bug + [bug] [regression] [versioning] Fixed additional regression nearly the same as that of #838 just released in 1.6.1 but within a slightly different codepath, where “alembic downgrade head” (or equivalent) would fail instead of iterating no revisions. - changes from version 1.6.1: * bug + [bug] [regression] [versioning] Fixed regression in new revisioning traversal where “alembic downgrade base” would fail if the database itself were clean and unversioned; additionally repairs the case where downgrade would fail if attempting to downgrade to the current head that is already present. - changes from version 1.6.0: * feature + [feature] [autogenerate] Fix the documentation regarding the default command-line argument position of the revision script filename within the post-write hook arguments. Implement a REVISION_SCRIPT_FILENAME token, enabling the position to be changed. Switch from str.split() to shlex.split() for more robust command-line argument parsing. + [feature] Implement a .cwd (current working directory) suboption for post-write hooks (of type console_scripts). This is useful for tools like pre-commit, which rely on the working directory to locate the necessary config files. Add pre-commit as an example to the documentation. Minor change: rename some variables from ticket #819 to improve readability. * bug + [bug] [autogenerate] Refactored the implementation of MigrateOperation constructs such as CreateIndexOp, CreateTableOp, etc. so that they no longer rely upon maintaining a persistent version of each schema object internally; instead, the state variables of each operation object will be used to produce the corresponding construct when the operation is invoked. The rationale is so that environments which make use of operation-manipulation schemes such as those those discussed in Fine-Grained Autogenerate Generation with Rewriters are better supported, allowing end-user code to manipulate the public attributes of these objects which will then be expressed in the final output, an example is some_create_index_op.kw["postgresql_concurrently"] = True. Previously, these objects when generated from autogenerate would typically hold onto the original, reflected element internally without honoring the other state variables of each construct, preventing the public API from working. + [bug] [environment] Fixed regression caused by the SQLAlchemy 1.4/2.0 compatibility switch where calling .rollback() or .commit() explicitly within the context.begin_transaction() context manager would cause it to fail when the block ended, as it did not expect that the transaction was manually closed. + [bug] [autogenerate] Improved the rendering of op.add_column() operations when adding multiple columns to an existing table, so that the order of these statements matches the order in which the columns were declared in the application’s table metadata. Previously the added columns were being sorted alphabetically. + [bug] [versioning] The algorithm used for calculating downgrades/upgrades/iterating revisions has been rewritten, to resolve ongoing issues of branches not being handled consistently particularly within downgrade operations, as well as for overall clarity and maintainability. This change includes that a deprecation warning is emitted if an ambiguous command such as “downgrade -1” when multiple heads are present is given. In particular, the change implements a long-requested use case of allowing downgrades of a single branch to a branchpoint. Huge thanks to Simon Bowly for their impressive efforts in successfully tackling this very difficult problem. + [bug] [batch] Added missing batch_op.create_table_comment(), batch_op.drop_table_comment() directives to batch ops. ------------------------------------------------------------------- Wed Apr 7 05:16:16 UTC 2021 - Steve Kowalik <steven.kowalik@suse.com> - Update to 1.5.8: * Fixed regression caused by SQLAlchemy 1.4 where the "alembic current" command would fail due to changes in the ``URL`` object. * Add async template to Alembic to bootstrap environments that use async DBAPI. Updated the cookbook to include a migration guide on how to adapt an existing enviroment for use with DBAPI drivers. * Fixed bug in versioning model where a downgrade across a revision with a dependency on another branch, yet an ancestor is also dependent on that branch, would produce an erroneous state in the alembic_version table, making upgrades impossible without manually repairing the table. * Changed the default ordering of "CREATE" and "DROP" statements indexes and unique constraints within the autogenerate process, so that for example in an upgrade() operation, a particular index or constraint that is to be replaced such as for a casing convention change will not produce any naming conflicts. * Fixed issue where autogenerate rendering of ``op.alter_column()`` would fail to include MySQL ``existing_nullable=False`` if the column were part of a primary key constraint within the table metadata. * Added support for rendering of "identity" elements on :class:`.Column` objects, supported in SQLAlchemy via the :class:`.Identity` element introduced in version 1.4. * Adding columns with identity is supported on PostgreSQL, MSSQL and Oracle. Changing the identity options or removing it is supported only on PostgreSQL and Oracle. * To accommodate SQLAlchemy 1.4 and 2.0, the migration model now no longer assumes that the SQLAlchemy Connection will autocommit an individual operation. * Modified the ``add_column()`` operation such that the ``Column`` object in use is shallow copied to a new instance if that ``Column`` is already attached to a ``table()`` or ``Table``. * Added rendering for the ``Table.prefixes`` element to autogenerate so that the rendered Python code includes these directives. * Alembic 1.5.0 now supports **Python 2.7 and Python 3.6 and above**, as well as **SQLAlchemy 1.3.0 and above**. * Add ``__main__.py`` file to alembic package to support invocation with ``python -m alembic``. * Removed deprecated ``--head_only`` option to the ``alembic current`` command - Drop pytest_depr_from_parent.patch, pytest plugin no longer used. ------------------------------------------------------------------- Thu Oct 8 16:07:43 UTC 2020 - Matej Cepl <mcepl@suse.com> - Add pytest_depr_from_parent.patch to fix FTBGS with pytest 6.* (gh#sqlalchemy/sqlalchemy#5635). ------------------------------------------------------------------- Sat Sep 19 15:30:06 UTC 2020 - Arun Persaud <arun@gmx.de> - update to version 1.4.3: * bug + Added support to drop named CHECK constraints that are specified as part of a column, rather than table wide. Previously, only constraints associated with the table were considered. References: #711 + Fixed issue where the MySQL dialect would not correctly render the server default of a column in an alter operation, if the operation were programmatically generated from an autogenerate pass as it would not accommodate for the full structure of the DefaultClause construct. References: #736 + Fixed issue where the CAST applied to a JSON column when copying a SQLite table during batch mode would cause the data to be lost, as SQLite’s CAST with JSON appears to convert the data to the value “0”. The CAST is now skipped in a dialect-specific manner, including for JSON columns on SQLite. Pull request courtesy Sebastián Ramírez. References: #697 + The alembic current command no longer creates an alembic_version table in the database if one does not exist already, returning no version as the current version. This allows checking for migrations in parallel without introducing race conditions. Pull request courtesy Nikolay Edigaryev. References: #694 + Fixed issue where columns in a foreign-key referenced table would be replaced with null-type columns during a batch operation; while this did not generally have any side effects, it could theoretically impact a batch operation that also targets that table directly and also would interfere with future changes to the .append_column() method to disallow implicit replacement of columns. + Fixed issue where the mssql_drop_foreign_key=True flag on op.drop_column would lead to incorrect syntax error due to a typo in the SQL emitted, same typo was present in the test as well so it was not detected. Pull request courtesy Oleg Shigorin. References: #716 ------------------------------------------------------------------- Sat Mar 28 16:27:08 UTC 2020 - Arun Persaud <arun@gmx.de> - update to version 1.4.2: * bug + Fixed an issue that prevented the test suite from running with the recently released py.test 5.4.0. References: #668 + Fixed more false-positive failures produced by the new “compare type” logic first added in #605, particularly impacting MySQL string types regarding flags such as “charset” and “collation”. References: #671 + Fixed issue in Oracle backend where a table RENAME with a schema-qualified name would include the schema in the “to” portion, which is rejected by Oracle. References: #670 * usecase + Adjusted autogen comparison to accommodate for backends that support computed column reflection, dependent on SQLAlchemy version 1.3.16 or higher. This emits a warning if the SQL expression inside of a Computed value changes between the metadata and the database, as these expressions can’t be changed without dropping and recreating the column. References: #669 ------------------------------------------------------------------- Fri Mar 6 21:49:43 UTC 2020 - Arun Persaud <arun@gmx.de> - update to version 1.4.1: * Fixed regression caused by the new “type comparison” logic introduced in 1.4 as part of #605 where comparisons of MySQL “unsigned integer” datatypes would produce false positives, as the regular expression logic was not correctly parsing the “unsigned” token when MySQL’s default display width would be returned by the database. Pull request courtesy Paul Becotte. References: #661 * Error message for “path doesn’t exist” when loading up script environment now displays the absolute path. Pull request courtesy Rowan Hart. References: #663 * Fixed regression in 1.4.0 due to #647 where unique constraint comparison with mixed case constraint names while not using a naming convention would produce false positives during autogenerate.References: #654 * The check for matched rowcount when the alembic_version table is updated or deleted from is now conditional based on whether or not the dialect supports the concept of “rowcount” for UPDATE or DELETE rows matched. Some third party dialects do not support this concept. Pull request courtesy Ke Zhu. * Fixed long-standing bug where an inline column CHECK constraint would not be rendered within an “ADD COLUMN” operation. The DDL compiler is now consulted for inline constraints within the Operations.add_column() method as is done for regular CREATE TABLE operations. References: #655 ------------------------------------------------------------------- Sat Feb 8 20:39:12 UTC 2020 - Arun Persaud <arun@gmx.de> - update to version 1.4.0: * feature + Added new parameters BatchOperations.add_column.insert_before, BatchOperations.add_column.insert_after which provide for establishing the specific position in which a new column should be placed. Also added Operations.batch_alter_table.partial_reordering which allows the complete set of columns to be reordered when the new table is created. Both operations apply only to when batch mode is recreating the whole table using recreate="always". Thanks to Marcin Szymanski for assistance with the implementation. References: #640 * bug + Adjusted the unique constraint comparison logic in a similar manner as that of #421 did for indexes in order to take into account SQLAlchemy’s own truncation of long constraint names when a naming convention is in use. Without this step, a name that is truncated by SQLAlchemy based on a unique constraint naming convention or hardcoded name will not compare properly. References: #647 + A major rework of the “type comparison” logic is in place which changes the entire approach by which column datatypes are compared. Types are now compared based on the DDL string generated by the metadata type vs. the datatype reflected from the database. This means we compare types based on what would actually render and additionally if elements of the types change like string length, those changes are detected as well. False positives like those generated between SQLAlchemy Boolean and MySQL TINYINT should also be resolved. Thanks very much to Paul Becotte for lots of hard work and patience on this one. See also: What does Autogenerate Detect (and what does it not detect?) - updated comments on type comparison References: #605 * usecase + Moved the use of the __file__ attribute at the base of the Alembic package into the one place that it is specifically needed, which is when the config attempts to locate the template directory. This helps to allow Alembic to be fully importable in environments that are using Python memory-only import schemes. Pull request courtesy layday. References: #648 * misc + The internal inspection routines no longer use SQLAlchemy’s Inspector.from_engine() method, which is expected to be deprecated in 1.4. The inspect() function is now used. ------------------------------------------------------------------- Sun Jan 26 21:21:06 UTC 2020 - Arun Persaud <arun@gmx.de> - specfile: * update copyright year - update to version 1.3.3: * bug + Fixed issue where COMMENT directives for PostgreSQL failed to correctly include an explicit schema name, as well as correct quoting rules for schema, table, and column names. Pull request courtesy Matthew Sills. References: #637 * usecase + Added support for rendering of “computed” elements on Column objects, supported in SQLAlchemy via the new Computed element introduced in version 1.3.11. Pull request courtesy Federico Caselli. Note that there is currently no support for ALTER COLUMN to add, remove, or modify the “GENERATED ALWAYS AS” element from a column; at least for PostgreSQL, it does not seem to be supported by the database. Additionally, SQLAlchemy does not currently reliably reflect the “GENERATED ALWAYS AS” phrase from an existing column, so there is also no autogenerate support for addition or removal of the Computed element to or from an existing column, there is only support for adding new columns that include the Computed element. In the case that the Computed element is removed from the Column object in the table metadata, PostgreSQL and Oracle currently reflect the “GENERATED ALWAYS AS” expression as the “server default” which will produce an op that tries to drop the element as a default. References: #624 ------------------------------------------------------------------- Sun Dec 29 21:12:46 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.3.2: * bug + [bug] [api] [autogenerate]Fixed regression introduced by #579 where server default rendering functions began to require a dialect implementation, however the render_python_code() convenience function did not include one, thus causing the function to fail when used in a server default context. The function now accepts a migration context argument and also creates one against the default dialect if one is not provided.References: #635 ------------------------------------------------------------------- Sat Nov 16 16:37:12 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.3.1: * bug + [bug] [mssql] Fixed bug in MSSQL dialect where the drop constraint execution steps used to remove server default or implicit foreign key constraint failed to take into account the schema name of the target table. References: #621 ------------------------------------------------------------------- Thu Nov 14 12:41:03 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com> - Require full python interpreter when building ------------------------------------------------------------------- Sat Nov 9 14:46:13 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.3.0: * feature + Added support for ALEMBIC_CONFIG environment variable, refers to the location of the alembic configuration script in lieu of using the -c command line option. References: #608 * bug + Fixed bug in new Variant autogenerate where the order of the arguments to Variant were mistakenly reversed. References: #131 * misc + Some internal modifications have been made to how the names of indexes and unique constraints work to make use of new functions added in SQLAlchemy 1.4, so that SQLAlchemy has more flexibility over how naming conventions may be applied to these objects. ------------------------------------------------------------------- Wed Sep 25 03:19:44 UTC 2019 - Thomas Bechtold <tbechtold@suse.com> - update to 1.2.1: * bugs + Reverted the name change of the “revisions” argument to command.stamp() to “revision” as apparently applications are calling upon this argument as a keyword name. Pull request courtesy Thomas Bechtold. Special translations are also added to the command line interface so that it is still known as “revisions” in the CLI. References: #601 + Removed the “test requirements” from “setup.py test”, as this command now only emits a removal error in any case and these requirements are unused. ------------------------------------------------------------------- Sat Sep 21 19:10:16 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.2.0: * feature + Added new --purge flag to the alembic stamp command, which will unconditionally erase the version table before stamping anything. This is useful for development where non-existent version identifiers might be left within the table. Additionally, alembic.stamp now supports a list of revision identifiers, which are intended to allow setting up muliple heads at once. Overall handling of version identifiers within the alembic.stamp command has been improved with many new tests and use cases added. References: #473 + Added new feature MigrationContext.autocommit_block(), a special directive which will provide for a non-transactional block inside of a migration script. The feature requres that: the database driver (e.g. DBAPI) supports the AUTOCOMMIT isolation mode. The directive also necessarily needs to COMMIT the existing transaction in progress in order to enter autocommit mode. See also MigrationContext.autocommit_block() References: #123 + Added “post write hooks” to revision generation. These allow custom logic to run after a revision Python script is generated, typically for the purpose of running code formatters such as “Black” or “autopep8”, but may be used for any arbitrary post-render hook as well, including custom Python functions or scripts. The hooks are enabled by providing a [post_write_hooks] section in the alembic.ini file. A single hook is provided which runs an arbitrary Python executable on the newly generated revision script, which can be configured to run code formatters such as Black; full examples are included in the documentation. See also Applying Post Processing and Python Code Formatters to Generated Revisions References: #307 + Added new flag --package to alembic init. For environments where the Alembic migration files and such are within the package tree and importable as modules, this flag can be specified which will add the additional __init__.py files in the version location and the environment location. References: #463 * bug + Improved the Python rendering of a series of migration operations such that a single “pass” is rendered for a UpgradeOps or DowngradeOps based on if no lines of Python code actually rendered under the operation, rather than whether or not sub-directives exist. Removed extra “pass” lines that would generate from the ModifyTableOps directive so that these aren’t duplicated under operation rewriting scenarios. References: #550 + Fixed bug where rendering of comment text for table-level comments within Operations.create_table_comment() and Operations.drop_table_comment() was not properly quote-escaped within rendered Python code for autogenerate. References: #549 + Modified the logic of the Rewriter object such that it keeps a memoization of which directives it has processed, so that it can ensure it processes a particular directive only once, and additionally fixed Rewriter so that it functions correctly for multiple-pass autogenerate schemes, such as the one illustrated in the “multidb” template. By tracking which directives have been processed, a multiple-pass scheme which calls upon the Rewriter multiple times for the same structure as elements are added can work without running duplicate operations on the same elements more than once. References: #505 * usecase + Added autogenerate support for Column objects that have dialect-specific **kwargs, support first added in SQLAlchemy 1.3. This includes SQLite “on conflict” as well as options used by some third party dialects. References: #518 + Added rendering for SQLAlchemy Variant datatypes, which render as the base type plus one or more .with_variant() method calls. References: #131 + Made the command interface revision lookup behavior more strict in that an Alembic revision number is only resolved based on a partial match rules if it has at least four characters, to prevent simple typographical issues from inadvertently running migrations. References: #534 * misc + Python 3.4 support is dropped, as the upstream tooling (pip, mysqlclient) etc are already dropping support for Python 3.4, which itself is no longer maintained. ------------------------------------------------------------------- Sat Aug 31 04:36:49 UTC 2019 - Arun Persaud <arun@gmx.de> - specfile: * increased min version of SQLAlechmy - update to version 1.1.0: * bug + Fixed bug where the double-percent logic applied to some dialects such as psycopg2 would be rendered in --sql mode, by allowing dialect options to be passed through to the dialect used to generate SQL and then providing paramstyle="named" so that percent signs need not be doubled. For users having this issue, existing env.py scripts need to add dialect_opts={"paramstyle": "named"} to their offline context.configure(). See the alembic/templates/generic/env.py template for an example. References: #562 + Fixed use of the deprecated “imp” module, which is used to detect pep3147 availability as well as to locate .pyc files, which started emitting deprecation warnings during the test suite. The warnings were not being emitted earlier during the test suite, the change is possibly due to changes in py.test itself but this is not clear. The check for pep3147 is set to True for any Python version 3.5 or greater now and importlib is used when available. Note that some dependencies such as distutils may still be emitting this warning. Tests are adjusted to accommodate for dependencies that emit the warning as well. + Fixed issue where emitting a change of column name for MySQL did not preserve the column comment, even if it were specified as existing_comment. References: #594 + Removed the “python setup.py test” feature in favor of a straight run of “tox”. Per Pypa / pytest developers, “setup.py” commands are in general headed towards deprecation in favor of tox. The tox.ini script has been updated such that running “tox” with no arguments will perform a single run of the test suite against the default installed Python interpreter. See also https://github.com/pypa/setuptools/issues/1684 https://github.com/pytest-dev/pytest/issues/5534 References: #592 * usecase + The “alembic init” command will now proceed if the target directory exists as long as it’s still empty. Previously, it would not proceed if the directory existed. The new behavior is modeled from what git does, to accommodate for container or other deployments where an Alembic target directory may need to be already mounted instead of being created with alembic init. Pull request courtesy Aviskar KC. References: #571 * misc + Alembic 1.1 bumps the minimum version of SQLAlchemy to 1.1. As was the case before, Python requirements remain at Python 2.7, or in the 3.x series Python 3.4. + The test suite for Alembic now makes use of SQLAlchemy’s testing framework directly. Previously, Alembic had its own version of this framework that was mostly copied from that of SQLAlchemy to enable testing with older SQLAlchemy versions. The majority of this code is now removed so that both projects can leverage improvements from a common testing framework. ------------------------------------------------------------------- Sat Jul 6 21:27:43 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.0.11: * bug + SQLite server default reflection will ensure parenthesis are surrounding a column default expression that is detected as being a non-constant expression, such as a datetime() default, to accommodate for the requirement that SQL expressions have to be parenthesized when being sent as DDL. Parenthesis are not added to constant expressions to allow for maximum cross-compatibility with other dialects and existing test suites (such as Alembic’s), which necessarily entails scanning the expression to eliminate for constant numeric and string values. The logic is added to the two “reflection->DDL round trip” paths which are currently autogenerate and batch migration. Within autogenerate, the logic is on the rendering side, whereas in batch the logic is installed as a column reflection hook. References: #579 + Improved SQLite server default comparison to accommodate for a text() construct that added parenthesis directly vs. a construct that relied upon the SQLAlchemy SQLite dialect to render the parenthesis, as well as improved support for various forms of constant expressions such as values that are quoted vs. non-quoted. References: #579 + Fixed bug where the “literal_binds” flag was not being set when autogenerate would create a server default value, meaning server default comparisons would fail for functions that contained literal values. + Added support for MySQL “DROP CHECK”, which is added as of MySQL 8.0.16, separate from MariaDB’s “DROP CONSTRAINT” for CHECK constraints. The MySQL Alembic implementation now checks for “MariaDB” in server_version_info to decide which one to use. References: #554 + Fixed issue where MySQL databases need to use CHANGE COLUMN when altering a server default of CURRENT_TIMESTAMP, NOW() and probably other functions that are only usable with DATETIME/TIMESTAMP columns. While MariaDB supports both CHANGE and ALTER COLUMN in this case, MySQL databases only support CHANGE. So the new logic is that if the server default change is against a DateTime-oriented column, the CHANGE format is used unconditionally, as in the vast majority of cases the server default is to be CURRENT_TIMESTAMP which may also be potentially bundled with an “ON UPDATE CURRENT_TIMESTAMP” directive, which SQLAlchemy does not currently support as a distinct field. The fix addiionally improves the server default comparison logic when the “ON UPDATE” clause is present and there are parenthesis to be adjusted for as is the case on some MariaDB versions. References: #564 + Warnings emitted by Alembic now include a default stack level of 2, and in some cases it’s set to 3, in order to help warnings indicate more closely where they are originating from. Pull request courtesy Ash Berlin-Taylor. + Replaced the Python compatbility routines for getargspec() with a fully vendored version based on getfullargspec() from Python 3.3. Originally, Python was emitting deprecation warnings for this function in Python 3.8 alphas. While this change was reverted, it was observed that Python 3 implementations for getfullargspec() are an order of magnitude slower as of the 3.4 series where it was rewritten against Signature. While Python plans to improve upon this situation, SQLAlchemy projects for now are using a simple replacement to avoid any future issues. References: #563 ------------------------------------------------------------------- Sat May 4 19:56:42 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.0.10: * bug + [bug] [commands] Fixed bug introduced in release 0.9.0 where the helptext for commands inadvertently got expanded to include function docstrings from the command.py module. The logic has been adjusted to only refer to the first line(s) preceding the first line break within each docstring, as was the original intent. References: #552 + [bug] [mysql] [operations] Added an assertion in RevisionMap.get_revisions() and other methods which ensures revision numbers are passed as strings or collections of strings. Driver issues particularly on MySQL may inadvertently be passing bytes here which leads to failures later on. References: #551 + [bug] [autogenerate] [mysql] Fixed bug when using the EnvironmentContext.configure.compare_server_default flag set to True where a server default that is introduced in the table metadata on an Integer column, where there is no existing server default in the database, would raise a TypeError. References: #553 ------------------------------------------------------------------- Sun Apr 21 22:01:52 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.0.9: * Simplified the internal scheme used to generate the alembic.op namespace to no longer attempt to generate full method signatures (e.g. rather than generic *args, **kw) as this was not working in most cases anyway, while in rare circumstances it would in fact sporadically have access to the real argument names and then fail when generating the function due to missing symbols in the argument signature. ------------------------------------------------------------------- Wed Mar 6 11:27:34 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com> - Update to 1.0.8: * Fixed issue where server default comparison on the PostgreSQL dialect would fail for a blank string on Python 3.7 only, due to a change in regular expression behavior in Python 3.7. * Removed use of deprecated ``force`` parameter for SQLAlchemy quoting functions as this parameter will be removed in a future release. Pull request courtesy Parth Shandilya(ParthS007). ------------------------------------------------------------------- Sat Jan 26 17:40:42 UTC 2019 - Arun Persaud <arun@gmx.de> - update to version 1.0.7: * [bug] [autogenerate] Fixed issue in new comment support where autogenerated Python code for comments wasn’t using repr() thus causing issues with quoting. Pull request courtesy Damien Garaud. References: #529 ------------------------------------------------------------------- Sun Jan 20 04:33:38 UTC 2019 - Arun Persaud <arun@gmx.de> - specfile: * update copyright year - update to version 1.0.6: * [feature] [operations] Added Table and Column level comments for supported backends. New methods Operations.create_table_comment() and Operations.drop_table_comment() are added. A new arguments Operations.alter_column.comment and Operations.alter_column.existing_comment are added to Operations.alter_column(). Autogenerate support is also added to ensure comment add/drops from tables and columns are generated as well as that Operations.create_table(), Operations.add_column() both include the comment field from the source Table or Column object. References: #422 ------------------------------------------------------------------- Sat Dec 1 18:27:49 UTC 2018 - Arun Persaud <arun@gmx.de> - specfile: * update url - update to version 1.0.5: * bug + [bug] [py3k] Resolved remaining Python 3 deprecation warnings, covering the use of inspect.formatargspec() with a vendored version copied from the Python standard library, importing collections.abc above Python 3.3 when testing against abstract base classes, fixed one occurrence of log.warn(), as well as a few invalid escape sequences. References: #507 - changes from version 1.0.4: * [change] Code hosting has been moved to GitHub, at https://github.com/sqlalchemy/alembic. Additionally, the main Alembic website documentation URL is now https://alembic.sqlalchemy.org. ------------------------------------------------------------------- Thu Nov 22 21:49:41 UTC 2018 - Arun Persaud <arun@gmx.de> - update to version 1.0.3: * bug + [bug] [mssql] Fixed regression caused by #513, where the logic to consume mssql_include was not correctly interpreting the case where the flag was not present, breaking the op.create_index directive for SQL Server as a whole. References: #516 ------------------------------------------------------------------- Wed Nov 14 13:59:58 UTC 2018 - Tomáš Chvátal <tchvatal@suse.com> - Do not require old pytest and simply execute the pytest binary ------------------------------------------------------------------- Thu Nov 1 22:51:27 UTC 2018 - Arun Persaud <arun@gmx.de> - update to version 1.0.2: * [bug] [autogenerate] The system=True flag on Column, used primarily in conjunction with the Postgresql “xmin” column, now renders within the autogenerate render process, allowing the column to be excluded from DDL. Additionally, adding a system=True column to a model will produce no autogenerate diff as this column is implicitly present in the database.References: #515 * [bug] [mssql] Fixed issue where usage of the SQL Server mssql_include option within a Operations.create_index() would raise a KeyError, as the additional column(s) need to be added to the table object used by the construct internally.References: #513 ------------------------------------------------------------------- Wed Oct 17 15:32:28 UTC 2018 - Arun Persaud <arun@gmx.de> - specfile: * removed devel from noarch - update to version 1.0.1: * [bug] [commands] Fixed an issue where revision descriptions were essentially being formatted twice. Any revision description that contained characters like %, writing output to stdout will fail because the call to config.print_stdout attempted to format any additional args passed to the function. This fix now only applies string formatting if any args are provided along with the output text. References: #497 * [bug] [autogenerate] Fixed issue where removed method union_update() was used when a customized MigrationScript instance included entries in the .imports data member, raising an AttributeError. References: #512 ------------------------------------------------------------------- Sat Jul 14 01:57:32 UTC 2018 - arun@gmx.de - update to version 1.0.0: * feature + [feature] [general] For Alembic 1.0, Python 2.6 / 3.3 support is being dropped, allowing a fixed setup.py to be built as well as universal wheels. Pull request courtesy Hugo. References: #491 + [feature] [general] With the 1.0 release, Alembic’s minimum SQLAlchemy support version moves to 0.9.0, previously 0.7.9. * bug + [bug] [batch] Fixed issue in batch where dropping a primary key column, then adding it back under the same name but without the primary_key flag, would not remove it from the existing PrimaryKeyConstraint. If a new PrimaryKeyConstraint is added, it is used as-is, as was the case before. References: #502 ------------------------------------------------------------------- Thu Jul 5 21:07:55 UTC 2018 - mcepl@suse.com - update 0.9.10: + Render autogenerate=True if present Fixed issue where "autoincrement=True" would not render for a column that specified it, since as of SQLAlchemy 1.1 this is no longer the default value for "autoincrement". + Make call to declarative_base clear in example. + Use external impl for type rendering The render_type() method of DefaultImpl was hardcoded to only work for SQLAlchemy types. + Implement native boolean check constraint flag in test suite + Use repr for drop_constraint schema + Add recipe for generating Python code for existing tables ------------------------------------------------------------------- Sat Mar 24 00:03:34 UTC 2018 - arun@gmx.de - update to version 0.9.9: * feature + [feature] [commands] Added new flag --indicate-current to the alembic history command. When listing versions, it will include the token “(current)” to indicate the given version is a current head in the target database. Pull request courtesy Kazutaka Mise. References: #481 * bug + [bug] [autogenerate] [mysql] The fix for #455 in version 0.9.6 involving MySQL server default comparison was entirely non functional, as the test itself was also broken and didn’t reveal that it wasn’t working. The regular expression to compare server default values like CURRENT_TIMESTAMP to current_timestamp() is repaired. References: #455 + [bug] [autogenerate] [mysql] Fixed bug where MySQL server default comparisons were basically not working at all due to incorrect regexp added in #455. Also accommodates for MariaDB 10.2 quoting differences in reporting integer based server defaults. References: #483 + [bug] [mysql] [operations] Fixed bug in op.drop_constraint() for MySQL where quoting rules would not be applied to the constraint name. References: #487 ------------------------------------------------------------------- Sat Feb 17 18:31:14 UTC 2018 - arun@gmx.de - update to version 0.9.8: * [bug] [runtime] Fixed bug where the Script.as_revision_number() method did not accommodate for the ‘heads’ identifier, which in turn caused the EnvironmentContext.get_head_revisions() and EnvironmentContext.get_revision_argument() methods to be not usable when multiple heads were present. The :meth:.`EnvironmentContext.get_head_revisions` method returns a tuple in all cases as documented. References: #482 * [bug] [autogenerate] [postgresql] Fixed bug where autogenerate of ExcludeConstraint would render a raw quoted name for a Column that has case-sensitive characters, which when invoked as an inline member of the Table would produce a stack trace that the quoted name is not found. An incoming Column object is now rendered as sa.column('name'). References: #478 * [bug] [autogenerate] Fixed bug where the indexes would not be included in a migration that was dropping the owning table. The fix now will also emit DROP INDEX for the indexes ahead of time, but more importantly will include CREATE INDEX in the downgrade migration. References: #468 * [bug] [postgresql] Fixed the autogenerate of the module prefix when rendering the text_type parameter of postgresql.HSTORE, in much the same way that we do for ARRAY’s type and JSON’s text_type. References: #480 * [bug] [mysql] Added support for DROP CONSTRAINT to the MySQL Alembic dialect to support MariaDB 10.2 which now has real CHECK constraints. Note this change does not add autogenerate support, only support for op.drop_constraint() to work. References: #479 ------------------------------------------------------------------- Wed Jan 17 04:04:50 UTC 2018 - arun@gmx.de - specfile: * update copyright year - update to version 0.9.7: * [bug] [autogenerate] Fixed regression caused by #421 which would cause case-sensitive quoting rules to interfere with the comparison logic for index names, thus causing indexes to show as added for indexes that have case-sensitive names. Works with SQLAlchemy 0.9 and later series. * [bug] [autogenerate] [postgresql] Fixed bug where autogenerate would produce a DROP statement for the index implicitly created by a Postgresql EXCLUDE constraint, rather than skipping it as is the case for indexes implicitly generated by unique constraints. Makes use of SQLAlchemy 1.0.x’s improved “duplicates index” metadata and requires at least SQLAlchemy version 1.0.x to function correctly. ------------------------------------------------------------------- Sun Oct 15 22:22:06 UTC 2017 - arun@gmx.de - specfile: * added fdupes - update to version 0.9.6: * feature + [feature] [commands] The alembic history command will now make use of the revision environment env.py unconditionally if the revision_environment configuration flag is set to True. Previously, the environment would only be invoked if the history specification were against a database-stored revision token. References: #447 * bug * [bug] [commands] Fixed a few Python3.6 deprecation warnings by replacing StopIteration with return, as well as using getfullargspec() instead of getargspec() under Python 3. References: #458 * [bug] [commands] An addition to #441 fixed in 0.9.5, we forgot to also filter for the + sign in migration names which also breaks due to the relative migrations feature. References: #441 * [bug] [autogenerate] Fixed bug expanding upon the fix for #85 which adds the correct module import to the “inner” type for an ARRAY type, the fix now accommodates for the generic sqlalchemy.types.ARRAY type added in SQLAlchemy 1.1, rendering the inner type correctly regardless of whether or not the Postgresql dialect is present. References: #442 * [bug] [mysql] Fixed bug where server default comparison of CURRENT_TIMESTAMP would fail on MariaDB 10.2 due to a change in how the function is represented by the database during reflection. References: #455 * [bug] [autogenerate] Fixed bug where comparison of Numeric types would produce a difference if the Python-side Numeric inadvertently specified a non-None “scale” with a “precision” of None, even though this Numeric type will pass over the “scale” argument when rendering. Pull request courtesy Ivan Mmelnychuk. References: pull request bitbucket:70 * [bug] [batch] The name of the temporary table in batch mode is now generated off of the original table name itself, to avoid conflicts for the unusual case of multiple batch operations running against the same database schema at the same time. References: #457 * [bug] [autogenerate] A ForeignKeyConstraint can now render correctly if the link_to_name flag is set, as it will not attempt to resolve the name from a “key” in this case. Additionally, the constraint will render as-is even if the remote column name isn’t present on the referenced remote table. References: #456 * [bug] [runtime] [py3k] Reworked “sourceless” system to be fully capable of handling any combination of: Python2/3x, pep3149 or not, PYTHONOPTIMIZE or not, for locating and loading both env.py files as well as versioning files. This includes: locating files inside of __pycache__ as well as listing out version files that might be only in versions/__pycache__, deduplicating version files that may be in versions/__pycache__ and versions/ at the same time, correctly looking for .pyc or .pyo files based on if pep488 is present or not. The latest Python3x deprecation warnings involving importlib are also corrected. ------------------------------------------------------------------- Tue Aug 22 12:41:25 UTC 2017 - tbechtold@suse.com - update to 0.9.5: * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.8.8 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.8.9 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.8.10 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.9.0 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.9.1 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.9.2 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.9.3 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.9.4 * see http://alembic.zzzcomputing.com/en/latest/changelog.html#change-0.9.5 - convert to singlespec - split -doc package ------------------------------------------------------------------- Sat Jan 28 17:45:34 UTC 2017 - dmueller@suse.com - Update to 0.8.10: * various bugfixes ------------------------------------------------------------------- Mon Aug 15 10:24:57 UTC 2016 - tbechtold@suse.com - update to 0.8.7: - Fixed bug where upgrading to the head of a branch which is already present would fail, only if that head were also the dependency of a different branch that is also upgraded, as the revision system would see this as trying to go in the wrong direction. The check here has been refined to distinguish between same-branch revisions out of order vs. movement along sibling branches. - Adjusted the version traversal on downgrade such that we can downgrade to a version that is a dependency for a version in a different branch, *without* needing to remove that dependent version as well. Previously, the target version would be seen as a "merge point" for it's normal up-revision as well as the dependency. This integrates with the changes for :ticket:`377` and :ticket:`378` to improve treatment of branches with dependencies overall. - Fixed bug where a downgrade to a version that is also a dependency to a different branch would fail, as the system attempted to treat this as an "unmerge" of a merge point, when in fact it doesn't have the other side of the merge point available for update. - Fixed bug where the "alembic current" command wouldn't show a revision as a current head if it were also a dependency of a version in a different branch that's also applied. Extra logic is added to extract "implied" versions of different branches from the top-level versions listed in the alembic_version table. - Fixed bug where a repr() or str() of a Script object would fail if the script had multiple dependencies. - Fixed bug in autogen where if the DB connection sends the default schema as "None", this "None" would be removed from the list of schemas to check if include_schemas were set. This could possibly impact using include_schemas with SQLite. - Small adjustment made to the batch handling for reflected CHECK constraints to accommodate for SQLAlchemy 1.1 now reflecting these. Batch mode still does not support CHECK constraints from the reflected table as these can't be easily differentiated from the ones created by types such as Boolean. ------------------------------------------------------------------- Mon Jun 6 12:56:49 UTC 2016 - dmueller@suse.com - fix source url ------------------------------------------------------------------- Fri Jun 3 16:37:33 UTC 2016 - tbechtold@suse.com - update to 0.8.6: - Errors which occur within the Mako render step are now intercepted and raised as CommandErrors like other failure cases; the Mako exception itself is written using template-line formatting to a temporary file which is named in the exception message. - Added a fix to Postgresql server default comparison which first checks if the text of the default is identical to the original, before attempting to actually run the default. This accomodates for default-generation functions that generate a new value each time such as a uuid function. - Fixed bug introduced by the fix for :ticket:`338` in version 0.8.4 where a server default could no longer be dropped in batch mode. Pull request courtesy Martin Domke. - Fixed bug where SQL Server arguments for drop_column() would not be propagated when running under a batch block. Pull request courtesy Michal Petrucha. ------------------------------------------------------------------- Thu Apr 7 06:24:53 UTC 2016 - tbechtold@suse.com - update to 0.8.5: - Fixed bug where the columns rendered in a ``PrimaryKeyConstraint`` in autogenerate would inappropriately render the "key" of the column, not the name. Pull request courtesy Jesse Dhillon. - Repaired batch migration support for "schema" types which generate constraints, in particular the ``Boolean`` datatype which generates a CHECK constraint. Previously, an alter column operation with this type would fail to correctly accommodate for the CHECK constraint on change both from and to this type. In the former case the operation would fail entirely, in the latter, the CHECK constraint would not get generated. Both of these issues are repaired. - Changing a schema type such as ``Boolean`` to a non-schema type would emit a drop constraint operation which emits ``NotImplementedError`` for the MySQL dialect. This drop constraint operation is now skipped when the constraint originates from a schema type. - A major improvement to the hash id generation function, which for some reason used an awkward arithmetic formula against uuid4() that produced values that tended to start with the digits 1-4. Replaced with a simple substring approach which provides an even distribution. Pull request courtesy Antti Haapala. - Added an autogenerate renderer for the :class:`.ExecuteSQLOp` operation object; only renders if given a plain SQL string, otherwise raises NotImplementedError. Can be of help with custom autogenerate sequences that includes straight SQL execution. Pull request courtesy Jacob Magnusson. - Batch mode generates a FOREIGN KEY constraint that is self-referential using the ultimate table name, rather than ``_alembic_batch_temp``. When the table is renamed from ``_alembic_batch_temp`` back to the original name, the FK now points to the right name. This will **not** work if referential integrity is being enforced (eg. SQLite "PRAGMA FOREIGN_KEYS=ON") since the original table is dropped and the new table then renamed to that name, however this is now consistent with how foreign key constraints on **other** tables already operate with batch mode; these don't support batch mode if referential integrity is enabled in any case. - Added a type-level comparator that distinguishes :class:`.Integer`, :class:`.BigInteger`, and :class:`.SmallInteger` types and dialect-specific types; these all have "Integer" affinity so previously all compared as the same. - Fixed bug where the ``server_default`` parameter of ``alter_column()`` would not function correctly in batch mode. - Adjusted the rendering for index expressions such that a :class:`.Column` object present in the source :class:`.Index` will not be rendered as table-qualified; e.g. the column name will be rendered alone. Table-qualified names here were failing on systems such as Postgresql. - Fixed an 0.8 regression whereby the "imports" dictionary member of the autogen context was removed; this collection is documented in the "render custom type" documentation as a place to add new imports. The member is now known as :attr:`.AutogenContext.imports` and the documentation is repaired. - Fixed bug in batch mode where a table that had pre-existing indexes would create the same index on the new table with the same name, which on SQLite produces a naming conflict as index names are in a global namespace on that backend. Batch mode now defers the production of both existing and new indexes until after the entire table transfer operation is complete, which also means those indexes no longer take effect during the INSERT from SELECT section as well; the indexes are applied in a single step afterwards. - Added "pytest-xdist" as a tox dependency, so that the -n flag in the test command works if this is not already installed. Pull request courtesy Julien Danjou. - Fixed issue in PG server default comparison where model-side defaults configured with Python unicode literals would leak the "u" character from a ``repr()`` into the SQL used for comparison, creating an invalid SQL expression, as the server-side comparison feature in PG currently repurposes the autogenerate Python rendering feature to get a quoted version of a plain string default. ------------------------------------------------------------------- Wed Aug 26 14:34:12 UTC 2015 - tbechtold@suse.com - update to 0.8.2: - Added workaround in new foreign key option detection feature for MySQL’s consideration of the “RESTRICT” option being the default, for which no value is reported from the database; the MySQL impl now corrects for when the model reports RESTRICT but the database reports nothing. A similar rule is in the default FK comparison to accommodate for the default “NO ACTION” setting being present in the model but not necessarily reported by the database, or vice versa. - A custom EnvironmentContext.configure.process_revision_directives hook can now generate op directives within the UpgradeOps and DowngradeOps containers that will be generated as Python code even when the --autogenerate flag is False; provided that revision_environment=True, the full render operation will be run even in “offline” mode. - Implemented support for autogenerate detection of changes in the ondelete, onupdate, initially and deferrable attributes of ForeignKeyConstraint objects on SQLAlchemy backends that support these on reflection (as of SQLAlchemy 1.0.8 currently Postgresql for all four, MySQL for ondelete and onupdate only). A constraint object that modifies these values will be reported as a “diff” and come out as a drop/create of the constraint with the modified values. The fields are ignored for backends which don’t reflect these attributes (as of SQLA 1.0.8 this includes SQLite, Oracle, SQL Server, others). - Repaired the render operation for the ops.AlterColumnOp object to succeed when the “existing_type” field was not present. - Fixed a regression 0.8 whereby the “multidb” environment template failed to produce independent migration script segments for the output template. This was due to the reorganization of the script rendering system for 0.8. To accommodate this change, the MigrationScript structure will in the case of multiple calls to MigrationContext.run_migrations() produce lists for the MigrationScript.upgrade_ops and MigrationScript.downgrade_ops attributes; each UpgradeOps and DowngradeOps instance keeps track of its own upgrade_token and downgrade_token, and each are rendered individually. ------------------------------------------------------------------- Fri Aug 21 12:05:28 UTC 2015 - tbechtold@suse.com - update to 0.8.0: - Added new command alembic edit. This command takes the same arguments as alembic show, however runs the target script file within $EDITOR. Makes use of the python-editor library in order to facilitate the handling of $EDITOR with reasonable default behaviors across platforms. Pull request courtesy Michel Albert. - Added new multiple-capable argument --depends-on to the alembic revision command, allowing depends_on to be established at the command line level rather than having to edit the file after the fact. depends_on identifiers may also be specified as branch names at the command line or directly within the migration file. The values may be specified as partial revision numbers from the command line which will be resolved to full revision numbers in the output file. - The default test runner via “python setup.py test” is now py.test. nose still works via run_tests.py. - The internal system for Alembic operations has been reworked to now build upon an extensible system of operation objects. New operations can be added to the op. namespace, including that they are available in custom autogenerate schemes. - The internal system for autogenerate been reworked to build upon the extensible system of operation objects present in #302. As part of this change, autogenerate now produces a full object graph representing a list of migration scripts to be written as well as operation objects that will render all the Python code within them; a new hook EnvironmentContext.configure.process_revision_directives allows end-user code to fully customize what autogenerate will do, including not just full manipulation of the Python steps to take but also what file or files will be written and where. Additionally, autogenerate is now extensible as far as database objects compared and rendered into scripts; any new operation directive can also be registered into a series of hooks that allow custom database/model comparison functions to run as well as to render new operation directives into autogenerate scripts. - Fixed bug in batch mode where the batch_op.create_foreign_key() directive would be incorrectly rendered with the source table and schema names in the argument list. - Fixed bug where in the erroneous case that alembic_version contains duplicate revisions, some commands would fail to process the version history correctly and end up with a KeyError. The fix allows the versioning logic to proceed, however a clear error is emitted later when attempting to update the alembic_version table. - Implemented support for BatchOperations.create_primary_key() and BatchOperations.create_check_constraint(). Additionally, table keyword arguments are copied from the original reflected table, such as the “mysql_engine” keyword argument. - Fixed critical issue where a complex series of branches/merges would bog down the iteration algorithm working over redundant nodes for millions of cycles. An internal adjustment has been made so that duplicate nodes are skipped within this iteration. - The MigrationContext.stamp() method, added as part of the versioning refactor in 0.7 as a more granular version of command.stamp(), now includes the “create the alembic_version table if not present” step in the same way as the command version, which was previously omitted. - Fixed bug where foreign key options including “onupdate”, “ondelete” would not render within the op.create_foreign_key() directive, even though they render within a full ForeignKeyConstraint directive. - Repaired warnings that occur when running unit tests against SQLAlchemy 1.0.5 or greater involving the “legacy_schema_aliasing” flag. - Add python-pytest-cov as BuildRequires - Add python-python-editor as Requires and BuildRequires ------------------------------------------------------------------- Fri Jul 24 19:42:39 UTC 2015 - seife+obs@b1-systems.com - fix rhel deps by depending on /usr/sbin/update-alternatives ------------------------------------------------------------------- Thu Jul 23 12:20:15 UTC 2015 - seife+obs@b1-systems.com - update to 0.7.7: * Implemented support for BatchOperations.create_primary_key() and BatchOperations.create_check_constraint(). Additionally, table keyword arguments are copied from the original reflected table, such as the "mysql_engine" keyword argument. * Fixed critical issue where a complex series of branches/merges would bog down the iteration algorithm working over redundant nodes for millions of cycles. An internal adjustment has been made so that duplicate nodes are skipped within this iteration. * The MigrationContext.stamp() method, added as part of the versioning refactor in 0.7 as a more granular version of command.stamp(), now includes the “create the alembic_version table if not present” step in the same way as the command version, which was previously omitted. * Fixed bug where foreign key options including "onupdate", "ondelete" would not render within the op.create_foreign_key() directive, even though they render within a full ForeignKeyConstraint directive. * Repaired warnings that occur when running unit tests against SQLAlchemy 1.0.5 or greater involving the "legacy_schema_aliasing" flag. ------------------------------------------------------------------- Tue Jun 9 11:33:03 UTC 2015 - dmueller@suse.com - update to 0.7.6: * Fixed bug where the case of multiple mergepoints that all have the identical set of ancestor revisions would fail to be upgradable, producing an assertion failure. * Added support for type comparison functions to be not just per environment, but also present on the custom types themselves, by supplying a method ``compare_against_backend``. * Fully implemented the :paramref:`~.Operations.batch_alter_table.copy_from` parameter for batch mode * Repaired support for the :meth:`.BatchOperations.create_index` directive, which was mis-named internally such that the operation ------------------------------------------------------------------- Sat Apr 25 15:53:02 UTC 2015 - benoit.monin@gmx.fr - update to 0.7.5.post2: * Added a new feature Config.attributes, to help with the use case of sharing state such as engines and connections on the outside with a series of Alembic API calls; also added a new cookbook section to describe this simple but pretty important use case. * The format of the default env.py script has been refined a bit; it now uses context managers not only for the scope of the transaction, but also for connectivity from the starting engine. The engine is also now called a “connectable” in support of the use case of an external connection being passed in. * Added support for “alembic stamp” to work when given “heads” as an argument, when multiple heads are present. * The --autogenerate option is not valid when used in conjunction with “offline” mode, e.g. --sql. This now raises a CommandError, rather than failing more deeply later on. Pull request courtesy Johannes Erdfelt. * Fixed bug where the mssql DROP COLUMN directive failed to include modifiers such as “schema” when emitting the DDL. * Postgresql “functional” indexes are necessarily skipped from the autogenerate process, as the SQLAlchemy backend currently does not support reflection of these structures. A warning is emitted both from the SQLAlchemy backend as well as from the Alembic backend for Postgresql when such an index is detected. * Fixed bug where MySQL backend would report dropped unique indexes and/or constraints as both at the same time. This is because MySQL doesn’t actually have a “unique constraint” construct that reports differently than a “unique index”, so it is present in both lists. The net effect though is that the MySQL backend will report a dropped unique index/constraint as an index in cases where the object was first created as a unique constraint, if no other information is available to make the decision. This differs from other backends like Postgresql which can report on unique constraints and unique indexes separately. * Fixed bug where using a partial revision identifier as the “starting revision” in --sql mode in a downgrade operation would fail to resolve properly. - set minimum version for SQLAlchemy to 0.7.6 - use update-alternatives for alembic binary - always run the tests when building the package ------------------------------------------------------------------- Thu Feb 5 15:04:20 UTC 2015 - tbechtold@suse.com - update to 0.7.4: * Repaired issue where a server default specified without text() that represented a numeric or floating point (e.g. with decimal places) value would fail in the Postgresql-specific check for “compare server default”; as PG accepts the value with quotes in the table specification, it’s still valid. Pull request courtesy Dimitris Theodorou. * The rendering of a ForeignKeyConstraint will now ensure that the names of the source and target columns are the database-side name of each column, and not the value of the .key attribute as may be set only on the Python side. This is because Alembic generates the DDL for constraints as standalone objects without the need to actually refer to an in-Python Table object, so there’s no step that would resolve these Python-only key names to database column names. * Fixed bug in foreign key autogenerate where if the in-Python table used custom column keys (e.g. using the key='foo' kwarg to Column), the comparison of existing foreign keys to those specified in the metadata would fail, as the reflected table would not have these keys available which to match up. Foreign key comparison for autogenerate now ensures it’s looking at the database-side names of the columns in all cases; this matches the same functionality within unique constraints and indexes. * Fixed issue in autogenerate type rendering where types that belong to modules that have the name “sqlalchemy” in them would be mistaken as being part of the sqlalchemy. namespace. Pull req courtesy Bartosz Burclaf. ------------------------------------------------------------------- Mon Jan 5 10:19:27 UTC 2015 - dmueller@suse.com - update to 0.7.3: * Fixed regression in new versioning system where upgrade / history operation would fail on AttributeError if no version files were present at all. * Adjusted the SQLite backend regarding autogen of unique constraints to work fully with the current SQLAlchemy 1.0, which now will report on UNIQUE constraints that have no name. * Fixed bug in batch where if the target table contained multiple foreign keys to the same target table, the batch mechanics would fail with a "table already exists" error. Thanks for the help on this from Lucas Kahlert. * Fixed an issue where the MySQL routine to skip foreign-key-implicit indexes would also catch unnamed unique indexes, as they would be named after the column and look like the FK indexes. Pull request courtesy Johannes Erdfelt. * Repaired a regression in both the MSSQL and Oracle dialects whereby the overridden ``_exec()`` method failed to return a value, as is needed now in the 0.7 series. * The ``render_as_batch`` flag was inadvertently hardcoded to ``True``, so all autogenerates were spitting out batch mode...this has been fixed so that batch mode again is only when selected in env.py. * Support for autogenerate of FOREIGN KEY constraints has been added. These are delivered within the autogenerate process in the same manner as UNIQUE constraints, including ``include_object`` support. Big thanks to Ann Kamyshnikova for doing the heavy lifting here. * Fixed bug where the "source_schema" argument was not correctly passed when calling :meth:`.BatchOperations.create_foreign_key`. Pull request courtesy Malte Marquarding. * The "multiple heads / branches" feature has now landed. This is by far the most significant change Alembic has seen since its inception; while the workflow of most commands hasn't changed, and the format of version files and the ``alembic_version`` table are unchanged as well, a new suite of features opens up in the case where multiple version files refer to the same parent, or to the "base". Merging of branches, operating across distinct named heads, and multiple independent bases are now all supported. The feature incurs radical changes to the internals of versioning and traversal, and should be treated as "beta mode" for the next several subsequent releases within 0.7. * Added "move and copy" workflow, where a table to be altered is copied to a new one with the new structure and the old one dropped, is now implemented for SQLite as well as all database backends in general using the new :meth:`.Operations.batch_alter_table` system. This directive provides a table-specific operations context which gathers column- and constraint-level mutations specific to that table, and at the end of the context creates a new table combining the structure of the old one with the given changes, copies data from old table to new, and finally drops the old table, renaming the new one to the existing name. This is required for fully featured SQLite migrations, as SQLite has very little support for the traditional ALTER directive. The batch directive is intended to produce code that is still compatible with other databases, in that the "move and copy" process only occurs for SQLite by default, while still providing some level of sanity to SQLite's requirement by allowing multiple table mutation operations to proceed within one "move and copy" as well as providing explicit control over when this operation actually occurs. The "move and copy" feature may be optionally applied to other backends as well, however dealing with referential integrity constraints from other tables must still be handled explicitly. * Relative revision identifiers as used with ``alembic upgrade``, ``alembic downgrade`` and ``alembic history`` can be combined with specific revisions as well, e.g. ``alembic upgrade ae10+3``, to produce a migration target relative to the given exact version. ------------------------------------------------------------------- Mon Sep 15 05:25:46 UTC 2014 - tbechtold@suse.com - update to version 0.6.7: * See + http://alembic.readthedocs.org/en/latest/changelog.html#change-0.6.6 + http://alembic.readthedocs.org/en/latest/changelog.html#change-0.6.7 * Fixed bug in MSSQL dialect where "rename table" wasn't using ``sp_rename()`` as is required on SQL Server. Pull request courtesy * Added support for functional indexes when using the :meth:`.Operations.create_index` directive. Within the list of columns, the SQLAlchemy ``text()`` construct can be sent, embedding a literal SQL expression; the :meth:`.Operations.create_index` will perform some hackery behind the scenes to get the :class:`.Index` construct to cooperate. This works around some current limitations in :class:`.Index` which should be resolved on the SQLAlchemy side at some point. * A file named ``__init__.py`` in the ``versions/`` directory is now ignored by Alembic when the collection of version files is retrieved. Pull request courtesy Michael Floering. * Fixed Py3K bug where an attempt would be made to sort None against string values when autogenerate would detect tables across multiple schemas, including the default schema. Pull request courtesy paradoxxxzero. * Autogenerate render will render the arguments within a Table construct using ``*[...]`` when the number of columns/elements is greater than 255. Pull request courtesy Ryan P. Kelly. * Fixed bug where foreign key constraints would fail to render in autogenerate when a schema name was present. Pull request courtesy Andreas Zeidler. * Some deep-in-the-weeds fixes to try to get "server default" comparison working better across platforms and expressions, in particular on the Postgresql backend, mostly dealing with quoting/not quoting of various expressions at the appropriate time and on a per-backend basis. Repaired and tested support for such defaults as Postgresql interval and array defaults. * When a run of Alembic command line fails due to ``CommandError``, the output now prefixes the string with ``"FAILED:"``, and the error is also written to the log output using ``log.error()``. * Liberalized even more the check for MySQL indexes that shouldn't be counted in autogenerate as "drops"; this time it's been reported that an implicitly created index might be named the same as a composite foreign key constraint, and not the actual columns, so we now skip those when detected as well. * Added a new accessor :attr:`.MigrationContext.config`, when used in conjunction with a :class:`.EnvironmentContext` and :class:`.Config`, this config will be returned. Patch courtesy Marc Abramowitz. ------------------------------------------------------------------- Thu Jul 24 11:33:27 UTC 2014 - dmueller@suse.com - update to 0.6.5: * See http://alembic.readthedocs.org/en/latest/changelog.html#change-0.6.5 * Added new argument EnvironmentContext.configure.user_module_prefix * The ScriptDirectory system that loads migration files from a versions/ directory * The command.revision() command now returns the Script object corresponding to the newly generated revision * Added new feature EnvironmentContext.configure.transaction_per_migration, which when True causes the BEGIN/COMMIT pair to incur for each migration individually ------------------------------------------------------------------- Mon Jan 13 13:33:57 UTC 2014 - dmueller@suse.com - update to 0.6.2: * Expanded the size of the “slug” generated by “revision” to 40 characters, which is also configurable by new field truncate_slug_length * Support for autogeneration detection and rendering of indexes and unique constraints has been added * Added new argument mssql_drop_foreign_key to Operations.drop_column() * Bugfixes ------------------------------------------------------------------- Thu Oct 24 10:58:37 UTC 2013 - speilicke@suse.com - Require python-setuptools instead of distribute (upstreams merged) ------------------------------------------------------------------- Thu Aug 8 20:36:51 UTC 2013 - dmueller@suse.com - update to 0.6.0: * [feature] Added new kw argument to EnvironmentContext.configure() include_object. * [feature] The output of the alembic history command is now expanded. * [feature] Added alembic.config.Config.cmd_opts attribute, allows access to the argparse options passed to the alembic runner.(link) * [feature] Added new command line argument -x, allows extra arguments to be appended to the command line which can be consumed within an env.py script by looking at context.config.cmd_opts.x, or more simply a new method EnvironmentContext.get_x_argument().(link) * [feature] Added -r argument to alembic history command, allows specification of [start]:[end] to view a slice of history. * [feature] Source base is now in-place for Python 2.6 through 3.3, without the need for 2to3. * [feature] Added new kw argument to EnvironmentContext.configure() include_object. ------------------------------------------------------------------- Sun Apr 14 15:53:22 UTC 2013 - p.drouand@gmail.com - Update to version 0.5.0 + added version_table_schema argument to EnvironmentContext.configure(), complements the version_table argument to set an optional remote schema for the version table. + added output_encoding option to EnvironmentContext.configure(), used with --sql mode to apply an encoding to the output stream. + added Operations.create_primary_key() operation, will genenerate an ADD CONSTRAINT for a primary key. + upgrade and downgrade commands will list the first line of the docstring out next to the version number. + added –head-only option to “alembic current”, will print current version plus the symbol “(head)” if this version is the head or not. + the rendering of any construct during autogenerate can be customized, in particular to allow special rendering for user-defined column, constraint subclasses, using new render _item argument to EnvironmentContext.configure(). + fix format of RENAME for table that includes schema with Postgresql; the schema name shouldn’t be in the “TO” field. + fix bug whereby double quoting would be applied to target column name during an sp_rename operation. + fix transactional_ddl flag for SQLite, MySQL dialects set to False. MySQL doesn’t support it, SQLite does but current pysqlite driver does not. + fix Autogenerate will render additional table keyword arguments like “mysql_engine” and others within op.create_table(). + fix bug whereby create_index() would include in the constraint columns that are added to all Table objects using events, externally to the generation of the constraint. This is the same issue that was fixed for unique constraints in version 0.3.2. + fix worked around a backwards-incompatible regression in Python3.3 regarding argparse; running “alembic” with no arguments now yields an informative error in py3.3 as with all previous versions. + fix host of argument name changes within migration operations for consistency. Keyword arguments will continue to work on the old name for backwards compatibility, however required positional arguments will not: * Operations.alter_column() - name -> new_column_name - old name will work for backwards compatibility. * Operations.create_index() - tablename -> table_name - argument is positional. * Operations.drop_index() - tablename -> table_name - old name will work for backwards compatibility. * Operations.drop_constraint() - tablename -> table_name - argument is positional. * Operations.drop_constraint() - type -> type_ - old name will work for backwards compatibility + SQLAlchemy 0.6 is no longer supported by Alembic - minimum version is 0.7.3, full support is as of 0.7.9. - Initial python3 support ------------------------------------------------------------------- Thu Jan 17 12:31:01 UTC 2013 - toddrme2178@gmail.com - Set nose version requirement ------------------------------------------------------------------- Mon Jan 14 16:02:38 UTC 2013 - saschpe@suse.de - Update to version 0.4.2: + Fixed bug where autogenerate would fail if a Column to be added to a table made use of the ".key" paramter. + Added a workaround to setup.py to prevent "NoneType" error from occuring when "setup.py test" is run. + Added a README.unittests with instructions for running the test suite fully. - Changes from version 0.4.1: + Added support for autogenerate render of ForeignKeyConstraint options onupdate, ondelete, initially, and deferred. + Explicit error message describing the case when downgrade --sql is used without specifying specific start/end versions. + Fixed the minute component in file_template which returned the month part of the create date. ------------------------------------------------------------------- Mon Jan 14 16:00:10 UTC 2013 - saschpe@suse.de - Disable testsuite on SLE ------------------------------------------------------------------- Fri Nov 23 10:43:42 UTC 2012 - saschpe@suse.de - Update to version 0.4.0: + [feature] Support for tables in alternate schemas has been added fully to all operations, as well as to the autogenerate feature. When using autogenerate, specifying the flag include_schemas=True to Environment.configure() will also cause autogenerate to scan all schemas located by Inspector.get_schema_names(), which is supported by *some* (but not all) SQLAlchemy dialects including Postgresql. *Enormous* thanks to Bruno Binet for a huge effort in implementing as well as writing tests. #33. + [feature] The command line runner has been organized into a reusable CommandLine object, so that other front-ends can re-use the argument parsing built in. #70 + [feature] Added "stdout" option to Config, provides control over where the "print" output of commands like "history", "init", "current" etc. are sent. #43 + [bug] Fixed the "multidb" template which was badly out of date. It now generates revision files using the configuration to determine the different upgrade_<xyz>() methods needed as well, instead of needing to hardcode these. Huge thanks to BryceLohr for doing the heavy lifting here. #71 + [bug] Fixed the regexp that was checking for .py files in the version directory to allow any .py file through. Previously it was doing some kind of defensive checking, probably from some early notions of how this directory works, that was prohibiting various filename patterns such as those which begin with numbers. #72 + [bug] Fixed MySQL rendering for server_default which didn't work if the server_default was a generated SQL expression. Courtesy Moriyoshi Koizumi. + [feature] Added support for alteration of MySQL columns that have AUTO_INCREMENT, as well as enabling this flag. Courtesy Moriyoshi Koizumi. ------------------------------------------------------------------- Wed Jun 6 12:13:48 UTC 2012 - saschpe@suse.de - Update to version 0.3.4: + [bug] Fixed command-line bug introduced by the "revision_environment" feature. - Changes from version 0.3.3: + [feature] New config argument "revision_environment=true", causes env.py to be run unconditionally when the "revision" command is run, to support script.py.mako templates with dependencies on custom "template_args". + [feature] Added "template_args" option to configure() so that an env.py can add additional arguments to the template context when running the "revision" command. This requires either --autogenerate or the configuration directive "revision_environment=true". + [bug] Added "type" argument to op.drop_constraint(), and implemented full constraint drop support for MySQL. CHECK and undefined raise an error. MySQL needs the constraint type in order to emit a DROP CONSTRAINT. #44 + [feature] Added version_table argument to EnvironmentContext.configure(), allowing for the configuration of the version table name. #34 + [feature] Added support for "relative" migration identifiers, i.e. "alembic upgrade +2", "alembic downgrade -1". Courtesy Atsushi Odagiri for this feature. + [bug] Fixed bug whereby directories inside of the template directories, such as __pycache__ on Pypy, would mistakenly be interpreted as files which are part of the template. #49 ------------------------------------------------------------------- Wed May 23 12:55:05 UTC 2012 - saschpe@suse.de - Update to version 0.3.2: + [feature] Basic support for Oracle added + [feature] Added support for UniqueConstraint in autogenerate + [bug] Fixed support of schema-qualified ForeignKey target in column alter operations, + [bug] Fixed bug whereby create_unique_constraint() would include in the constraint columns that are added to all Table objects using events, externally to the generation of the constraint. - Changes from version 0.3.1: + [bug] bulk_insert() fixes: 1. bulk_insert() operation was not working most likely since the 0.2 series when used with an engine 2. Repaired bulk_insert() to complete when used against a lower-case-t table and executing with only one set of parameters, working around SQLAlchemy bug #2461 in this regard. 3. bulk_insert() uses "inline=True" so that phrases like RETURNING and such don't get invoked for single-row bulk inserts. 4. bulk_insert() will check that you're passing a list of dictionaries in, raises TypeError if not detected. - Changes from version 0.3.0: + [general] The focus of 0.3 is to clean up and more fully document the public API of Alembic, including better accessors on the MigrationContext and ScriptDirectory objects. Methods that are not considered to be public on these objects have been underscored, and methods which should be public have been cleaned up and documented, including: MigrationContext.get_current_revision() ScriptDirectory.iterate_revisions() ScriptDirectory.get_current_head() ScriptDirectory.get_heads() ScriptDirectory.get_base() ScriptDirectory.generate_revision() + [feature] Added a bit of autogenerate to the public API in the form of the function alembic.autogenerate.compare_metadata. ------------------------------------------------------------------- Wed Mar 7 08:25:45 UTC 2012 - saschpe@suse.de - Initial version
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