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Added multidb support

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No change required to upgrade to multiple databases. Aliases are used
to describe the database and these can be manually registered or fall
through to a default alias using connect.

Made get_connection and get_db first class members of the connection class.
Old style _get_connection and _get_db still supported.

Refs: #84 #87 #93 #215
This commit is contained in:
Ross Lawley
2011-11-18 07:22:37 -08:00
parent 63c5a4dd65
commit e80144e9f2
15 changed files with 180 additions and 103 deletions
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12
docs/guide/connecting.rst
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@@ -3,6 +3,7 @@
=====================
Connecting to MongoDB
=====================
To connect to a running instance of :program:`mongod`, use the
:func:`~mongoengine.connect` function. The first argument is the name of the
database to connect to. If the database does not exist, it will be created. If
@@ -18,3 +19,14 @@ provide :attr:`host` and :attr:`port` arguments to
:func:`~mongoengine.connect`::
connect('project1', host='192.168.1.35', port=12345)
Multiple Databases
==================
Multiple database support was added in MongoEngine 0.6. To use multiple
databases you can use :func:`~mongoengine.connect` and provide an `alias` name
for the connection - if no `alias` is provided then "default" is used.
In the background this uses :func:`~mongoengine.register_connection` to
store the data and you can register all aliases up front if required.