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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Thu, 08 Mar 2012 09:25:07 -0000
Message-ID: <20120308092507.35488.35966@eos.apache.org>
Subject: 
 =?utf-8?q?=5BCouchdb_Wiki=5D_Update_of_=22Breaking=5Fchanges=22_by_DaveCo?=
 =?utf-8?q?ttlehuber?=
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The "Breaking_changes" page has been changed by DaveCottlehuber:
http://wiki.apache.org/couchdb/Breaking_changes?action=3Ddiff&rev1=3D27&rev=
2=3D28

Comment:
docs now reflect the awesome reality of CouchDB

  =

  =3D=3D Changes Between 1.1.0 and 1.2.0 =3D=3D
  =

-  * _users database:
+ =3D=3D=3D _users database =3D=3D=3D
+ =

-    * User documents can now only be read by the respective users as well =
as admins, but not other or anonymous users.
+  * User documents can now only be read by the respective users as well as=
 admins, but not other or anonymous users.
-    * Views can only be defined and queried by admins.
+  * Views can only be defined and queried by admins.
-    * The `_changes` feed can only be queried by admins.
+  * The `_changes` feed can only be queried by admins.
  =

-  * _replicator database:
+ =3D=3D=3D _replicator database =3D=3D=3D
+ =

-    * Documents will now have a forced `owner` field that corresponds to t=
heir authenticated user name.
+  * Documents will now have a forced `owner` field that corresponds to the=
ir authenticated user name.
-    * Users that are not the owner of a replication document will not see =
confidential information like passwords or oath tokens. The rest of the inf=
ormation is visible though. Admins can see everything.
+  * Users that are not the owner of a replication document will not see co=
nfidential information like passwords or oath tokens. The rest of the infor=
mation is visible though. Admins can see everything.
-    * Views can only be defined and queried by admins.
+  * Views can only be defined and queried by admins.
+ =

+ =3D=3D=3D document and view file compression =3D=3D=3D
+ =

+  * The new optional compression of disk files requires an upgrade of the =
on-disk format (5->6) which occurs on creation for new databases and views,=
 and on compaction for existing ones
+  * This format is not supported in previous versions, so rollback would r=
equire replication to the previous CouchDB release, or restore from backup
+  * adding {{{compression =3D none}}} to your {{{local.ini [couchdb]}}} se=
ction disables compression but the ondisk format will still be upgraded as =
above
+  * file compression is enabled by default
  =

  =3D=3D Changes Between 1.0.0 and 1.1.0 =3D=3D
 =20