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Thomas Grainger
81 lines
3.0 KiB
ReStructuredText
81 lines
3.0 KiB
ReStructuredText
.. _dialect_toplevel:
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Dialects
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========
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The **dialect** is the system SQLAlchemy uses to communicate with various types of :term:`DBAPI` implementations and databases.
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The sections that follow contain reference documentation and notes specific to the usage of each backend, as well as notes
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for the various DBAPIs.
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All dialects require that an appropriate DBAPI driver is installed.
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Included Dialects
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-----------------
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.. toctree::
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:maxdepth: 1
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:glob:
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firebird
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mssql
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mysql
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oracle
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postgresql
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sqlite
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sybase
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.. _external_toplevel:
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External Dialects
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-----------------
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.. versionchanged:: 0.8
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As of SQLAlchemy 0.8, several dialects have been moved to external
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projects, and dialects for new databases will also be published
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as external projects. The rationale here is to keep the base
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SQLAlchemy install and test suite from growing inordinately large.
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The "classic" dialects such as SQLite, MySQL, Postgresql, Oracle,
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SQL Server, and Firebird will remain in the Core for the time being.
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.. versionchanged:: 1.0
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The Drizzle dialect has been moved into the third party system.
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Current external dialect projects for SQLAlchemy include:
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Production Ready
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^^^^^^^^^^^^^^^^
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* `ibm_db_sa <http://code.google.com/p/ibm-db/wiki/README>`_ - driver for IBM DB2 and Informix,
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developed jointly by IBM and SQLAlchemy developers.
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* `sqlalchemy-redshift <https://pypi.python.org/pypi/sqlalchemy-redshift>`_ - driver for Amazon Redshift, adapts
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the existing Postgresql/psycopg2 driver.
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* `sqlalchemy_exasol <https://github.com/blue-yonder/sqlalchemy_exasol>`_ - driver for EXASolution.
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* `sqlalchemy-sqlany <https://github.com/sqlanywhere/sqlalchemy-sqlany>`_ - driver for SAP Sybase SQL
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Anywhere, developed by SAP.
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* `sqlalchemy-monetdb <https://github.com/gijzelaerr/sqlalchemy-monetdb>`_ - driver for MonetDB.
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Experimental / Incomplete
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^^^^^^^^^^^^^^^^^^^^^^^^^^
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Dialects that are in an incomplete state or are considered somewhat experimental.
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* `CALCHIPAN <https://bitbucket.org/zzzeek/calchipan/>`_ - Adapts `Pandas <http://pandas.pydata.org/>`_ dataframes to SQLAlchemy.
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* `sqlalchemy-cubrid <https://bitbucket.org/zzzeek/sqlalchemy-cubrid>`_ - driver for the CUBRID database.
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Attic
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^^^^^
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Dialects in the "attic" are those that were contributed for SQLAlchemy long ago
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but have received little attention or demand since then, and are now moved out to
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their own repositories in at best a semi-working state.
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Community members interested in these dialects should feel free to pick up on
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their current codebase and fork off into working libraries.
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* `sqlalchemy-access <https://bitbucket.org/zzzeek/sqlalchemy-access>`_ - driver for Microsoft Access.
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* `sqlalchemy-drizzle <https://bitbucket.org/zzzeek/sqlalchemy-drizzle>`_ - driver for the Drizzle MySQL variant.
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* `sqlalchemy-informixdb <https://bitbucket.org/zzzeek/sqlalchemy-informixdb>`_ - driver for the informixdb DBAPI.
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* `sqlalchemy-maxdb <https://bitbucket.org/zzzeek/sqlalchemy-maxdb>`_ - driver for the MaxDB database
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