Merge pull request symfony#763 from mbadolato/patch-1

weaverryan · weaverryan · commit 7d0deae0afa8 · 2011-10-15T06:07:14.000-07:00
Remove redundant UNIQUE CONSTRAINTS definition on PRIMARY KEY fields for MySQL and PostgreSQL examples
diff --git a/cookbook/configuration/pdo_session_storage.rst b/cookbook/configuration/pdo_session_storage.rst
@@ -167,7 +167,6 @@ following (MySQL):
         `session_value` text NOT NULL,
         `session_time` int(11) NOT NULL,
         PRIMARY KEY (`session_id`),
-        UNIQUE KEY `session_id_idx` (`session_id`)
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 PostgreSQL
@@ -182,5 +181,4 @@ For PostgreSQL, the statement should look like this:
         session_value text NOT NULL,
         session_time integer NOT NULL,
         CONSTRAINT session_pkey PRIMARY KEY (session_id),
-        CONSTRAINT session_session_id_key UNIQUE (session_id)
     );
