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django-mssql-azure-backend-1.0.9
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Django backend for Microsoft SQL Server
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | django-mssql-azure-backend-1.0.9 |
| نام | django-mssql-azure-backend |
| نسخه کتابخانه | 1.0.9 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Sathiamoorthy M |
| ایمیل نویسنده | shakthifuture@gmail.com |
| آدرس صفحه اصلی | https://github.com/shakthifuture/django-mssql-azure-backend |
| آدرس اینترنتی | https://pypi.org/project/django-mssql-azure-backend/ |
| مجوز | BSD |
django-mssql-azure-backend
==========================
.. image:: https://img.shields.io/pypi/v/django-mssql-backend.svg
:target: https://pypi.python.org/pypi/django-mssql-backend
*django-mssql-azure-backend* is a fork of
`django-mssql-backend <https://github.com/ESSolutions/django-mssql-backend>`__
Features
--------
- Supports Django 2.2, 3.0
- Supports Microsoft SQL Server 2008/2008R2, 2012, 2014, 2016, 2017, 2019
- Passes most of the tests of the Django test suite
- Compatible with
`Micosoft ODBC Driver for SQL Server <https://docs.microsoft.com/en-us/sql/connect/odbc/microsoft-odbc-driver-for-sql-server>`__,
`SQL Server Native Client <https://msdn.microsoft.com/en-us/library/ms131321(v=sql.120).aspx>`__,
and `FreeTDS <http://www.freetds.org/>`__ ODBC drivers
Dependencies
------------
- Django 2.2 or newer
- pyodbc 3.0 or newer
Installation
------------
1. Install pyodbc and Django
2. Install django-mssql-azure-backend ::
pip install django-mssql-azure-backend
3. Now you can point the ``ENGINE`` setting in the settings file used by
your Django application or project to the ``'sql_server.pyodbc'``
module path ::
'ENGINE': 'sql_server.pyodbc'
Regex Support
-------------
django-mssql-backend supports regex using a CLR .dll file. To install it, run ::
python manage.py install_regex_clr {database_name}
Configuration
-------------
Standard Django settings
~~~~~~~~~~~~~~~~~~~~~~~~
The following entries in a database-level settings dictionary
in DATABASES control the behavior of the backend:
- ENGINE
String. It must be ``"sql_server.pyodbc"``.
- NAME
String. Database name. Required.
- HOST
String. SQL Server instance in ``"server\instance"`` format.
- PORT
String. Server instance port.
An empty string means the default port.
- USER
String. Database user name in ``"user"`` format.
If not given then MS Integrated Security will be used.
- PASSWORD
String. Database user password.
- IS_AZURE_BASED_TOKEN
Boolean. Set this to True if you want to connect azure DB without userid and password
if it false or not given, DB will connect using userid and password
- AUTOCOMMIT
Boolean. Set this to False if you want to disable
Django's transaction management and implement your own.
and the following entries are also available in the TEST dictionary
for any given database-level settings dictionary:
- NAME
String. The name of database to use when running the test suite.
If the default value (``None``) is used, the test database will use
the name "test\_" + ``NAME``.
- COLLATION
String. The collation order to use when creating the test database.
If the default value (``None``) is used, the test database is assigned
the default collation of the instance of SQL Server.
- DEPENDENCIES
String. The creation-order dependencies of the database.
See the official Django documentation for more details.
- MIRROR
String. The alias of the database that this database should
mirror during testing. Default value is ``None``.
See the official Django documentation for more details.
OPTIONS
~~~~~~~
Dictionary. Current available keys are:
- driver
String. ODBC Driver to use (``"ODBC Driver 13 for SQL Server"``,
``"SQL Server Native Client 11.0"``, ``"FreeTDS"`` etc).
Default is ``"ODBC Driver 13 for SQL Server"``.
- isolation_level
String. Sets `transaction isolation level
<https://docs.microsoft.com/en-us/sql/t-sql/statements/set-transaction-isolation-level-transact-sql>`__
for each database session. Valid values for this entry are
``READ UNCOMMITTED``, ``READ COMMITTED``, ``REPEATABLE READ``,
``SNAPSHOT``, and ``SERIALIZABLE``. Default is ``None`` which means
no isolation levei is set to a database session and SQL Server default
will be used.
- dsn
String. A named DSN can be used instead of ``HOST``.
- 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 ``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://www.freetds.org/userguide/dsnless.htm for more information.
- unicode_results
Boolean. If it is set to ``True``, pyodbc's *unicode_results* feature
is activated and strings returned from pyodbc are always Unicode.
Default value is ``False``.
- extra_params
String. Additional parameters for the ODBC connection. The format is
``"param=value;param=value"``.
- collation
String. Name of the collation to use when performing text field
lookups against the database. Default is ``None``; this means no
collation specifier is added to your lookup SQL (the default
collation of your database will be used). For Chinese language you
can set it to ``"Chinese_PRC_CI_AS"``.
- connection_timeout
Integer. Sets the timeout in seconds for the database connection process.
Default value is ``0`` which disables the timeout.
- connection_retries
Integer. Sets the times to retry the database connection process.
Default value is ``5``.
- connection_retry_backoff_time
Integer. Sets the back off time in seconds for reries of
the database connection process. Default value is ``5``.
- query_timeout
Integer. Sets the timeout in seconds for the database query.
Default value is ``0`` which disables the timeout.
backend-specific settings
~~~~~~~~~~~~~~~~~~~~~~~~~
The following project-level settings also control the behavior of the backend:
- DATABASE_CONNECTION_POOLING
Boolean. If it is set to ``False``, pyodbc's connection pooling feature
won't be activated.
Example
~~~~~~~
Here is an example of the database settings for **azure token**:
::
DATABASES = {
'default': {
'ENGINE': 'sql_server.pyodbc',
'NAME': 'mydb',
'HOST': 'myserver.database.windows.net',
'PORT': '',
'IS_AZURE_BASED_TOKEN': True
'OPTIONS': {
'driver': 'ODBC Driver 13 for SQL Server',
},
},
}
If you are using a **local SQL server**, use the below configuration.
::
DATABASES = {
'default': {
'ENGINE': 'sql_server.pyodbc',
'NAME': 'mydb',
'USER': 'user@myserver',
'PASSWORD': 'password',
'HOST': 'myserver.database.windows.net',
'PORT': '',
'IS_AZURE_BASED_TOKEN': False
'OPTIONS': {
'driver': 'ODBC Driver 13 for SQL Server',
},
},
}
# set this to False if you want to turn off pyodbc's connection pooling
DATABASE_CONNECTION_POOLING = False
Limitations
-----------
The following features are currently not supported:
- Altering a model field from or to AutoField at migration
نیازمندی
| مقدار | نام |
|---|---|
| >=3.0 | pyodbc |
| >=2.24.0 | requests |
نحوه نصب
نصب پکیج whl django-mssql-azure-backend-1.0.9:
pip install django-mssql-azure-backend-1.0.9.whl
نصب پکیج tar.gz django-mssql-azure-backend-1.0.9:
pip install django-mssql-azure-backend-1.0.9.tar.gz