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Django MS SQL Server backends using pyodbcNote, I did not write this package. If you are the package owner and want me to transfer ownership, just email us at hi@aurora.io. Thanks!

Project Description

A Django MS SQL Server external DB backend that uses ODBC by employing the pyodbc library. It supports SQL Server 2000 and 2005.

Features

  • Supports LIMIT+OFFSET and offset w/o LIMIT emulation under SS2005.
  • Supports LIMIT+OFFSET under SS2000.
  • Transparently supports Django’s TextField both under SS2000 and SS2005.
  • Passes most of the tests of the Django test suite.
  • Compatible with SQL Server and SQL Server Native Client from Microsoft (Windows) and FreeTDS ODBC drivers (Linux).

Dependencies

  • Django from SVN, revision 8328 or newer (1.0 is r8961.)
  • pyodbc 2.0.58 or newer

Installation

  1. Install pyodbc.

  2. Add the directory where you have copied the project files to your Python path. So, for example, if you have the following directory structure:

    /home/user/src/django-pyodbc
        |
        +- sql_server
              |
              +- pyodbc
    

    you should add /home/user/src/django-pyodbc to you Python module search path. One way to do this is setting the PYTHONPATH environment variable:

    $ export PYTHONPATH=/home/user/src/django-pyodbc
    
  3. Now you can point the DATABASE_ENGINE setting in the settings file used by your Django application or project to the 'sql_server.pyodbc' module path:

    DATABASE_ENGINE='sql_server.pyodbc'
    

Configuration

The following settings control the behavior of the backend:

Standard Django settings

DATABASE_NAME
String. Database name. Required.
DATABASE_HOST
String. SQL Server instance in "server\instance" format.
DATABASE_PORT
String. Server instance port.
DATABASE_USER
String. Database user name. If not given then MS Integrated Security will be used.
DATABASE_PASSWORD
String. Database user password.
DATABASE_OPTIONS

Dictionary. Current available keys are:

autocommit
Boolean. Indicates if pyodbc should direct the the ODBC driver to activate the autocommit feature. Default value is False.
MARS_Connection
Boolean. Only relevant when running on Windows and with SQL Server 2005 or later through MS SQL Server Native client driver (i.e. setting DATABASE_ODBC_DRIVER to "SQL Native Client"). See http://msdn.microsoft.com/en-us/library/ms131686.aspx. Default value is False.
host_is_server

Boolean. Only relevant if using the FreeTDS ODBC driver under Unix/Linux.

By default, when using the FreeTDS ODBC driver the value specified in the DATABASE_HOST setting is used in a SERVERNAME ODBC connection string component instead of being used in a SERVER component; this means that this value should be the name of a dataserver definition present in the freetds.conf FreeTDS configuration file instead of a hostname or an IP address.

But if this option is present and it’s value is True, this special behavior is turned off.

See http://freetds.org/userguide/dsnless.htm for more information.

django-pyodbc-specific settings

DATABASE_ODBC_DSN
String. A named DSN can be used instead of DATABASE_HOST.
DATABASE_ODBC_DRIVER
String. ODBC Driver to use. Default is "SQL Server" on Windows and "FreeTDS" on other platforms.
DATABASE_EXTRA_PARAMS
String. Additional parameters for the ODBC connection. The format is "param=value;param=value".
DATABASE_COLLATION
String. Name of the collation to use when performing text field lookups against the database. Default value is "Latin1_General_CI_AS". For Chinese language you can set it to "Chinese_PRC_CI_AS".

License

New BSD LICENSE

Release History

Release History

This version
History Node

1.0

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