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Mike Bayer
334668d904
used in join() as well as with any() and has(), qualifies the subclass which will be used in filter criterion, e.g.: query.filter(Company.employees.of_type(Engineer). any(Engineer.name=='foo')), query.join(Company.employees.of_type(Engineer)). filter(Engineer.name=='foo')
SQLAlchemy
++++++++++
The Python SQL Toolkit and Object Relational Mapper
Requirements
------------
SQLAlchemy requires Python 2.3 or higher. One or more DB-API implementations
are also required for database access. See docs/intro.html for more
information on supported DB-API implementations.
Installing
----------
To install::
python setup.py install
To use without installation, include the ``lib`` directory in your Python
path.
Package Contents
----------------
doc/
HTML documentation, including tutorials and API reference.
examples/
Fully commented and executable implementations for a variety of tasks.
lib/
SQLAlchemy.
test/
Unit tests for SQLAlchemy. See ``README.unittests`` for more
information.
Help
----
Mailing lists, wiki, and more are available on-line at
http://www.sqlalchemy.org.
License
-------
SQLAlchemy is distributed under the `MIT license
<http://www.opensource.org/licenses/mit-license.php>`_.