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authorTim Graham <timograham@gmail.com>2013-02-23 16:01:43 -0500
committerTim Graham <timograham@gmail.com>2013-02-23 16:01:43 -0500
commitcf890c110e159de16d54a59dc878272776d38514 (patch)
tree6995b0d750516843f4eea4e93f23ca5ecc839b20
parent7e6ad76b24a003bfb4ced8d9b3b22a46c1590e02 (diff)
Added an example of "default" database dictionary left blank; refs #19775.
Thanks wsmith323 for the patch.
-rw-r--r--docs/topics/db/multi-db.txt29
1 files changed, 24 insertions, 5 deletions
diff --git a/docs/topics/db/multi-db.txt b/docs/topics/db/multi-db.txt
index dd7e59b99e..8150e498de 100644
--- a/docs/topics/db/multi-db.txt
+++ b/docs/topics/db/multi-db.txt
@@ -20,11 +20,7 @@ documentation.
Databases can have any alias you choose. However, the alias
``default`` has special significance. Django uses the database with
-the alias of ``default`` when no other database has been selected. If
-the concept of a ``default`` database doesn't make sense in the context
-of your project, you need to be careful to always specify the database
-that you want to use. Django requires that a ``default`` database entry
-be defined, but the parameters can be left blank if it will not be used.
+the alias of ``default`` when no other database has been selected.
The following is an example ``settings.py`` snippet defining two
databases -- a default PostgreSQL database and a MySQL database called
@@ -47,6 +43,29 @@ databases -- a default PostgreSQL database and a MySQL database called
}
}
+If the concept of a ``default`` database doesn't make sense in the context
+of your project, you need to be careful to always specify the database
+that you want to use. Django requires that a ``default`` database entry
+be defined, but the parameters dictionary can be left blank if it will not be
+used. The following is an example ``settings.py`` snippet defining two
+non-default databases, with the ``default`` entry intentionally left empty::
+
+ DATABASES = {
+ 'default': {},
+ 'users': {
+ 'NAME': 'user_data',
+ 'ENGINE': 'django.db.backends.mysql',
+ 'USER': 'mysql_user',
+ 'PASSWORD': 'superS3cret'
+ },
+ 'customers': {
+ 'NAME': 'customer_data',
+ 'ENGINE': 'django.db.backends.mysql',
+ 'USER': 'mysql_cust',
+ 'PASSWORD': 'veryPriv@ate'
+ }
+ }
+
If you attempt to access a database that you haven't defined in your
:setting:`DATABASES` setting, Django will raise a
``django.db.utils.ConnectionDoesNotExist`` exception.