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Diffstat (limited to 'user_guide_src/source/installation/upgrade_312.rst')
-rw-r--r-- | user_guide_src/source/installation/upgrade_312.rst | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/user_guide_src/source/installation/upgrade_312.rst b/user_guide_src/source/installation/upgrade_312.rst new file mode 100644 index 000000000..e0b2191dd --- /dev/null +++ b/user_guide_src/source/installation/upgrade_312.rst @@ -0,0 +1,40 @@ +############################# +Upgrading from 3.1.1 to 3.1.2 +############################# + +Before performing an update you should take your site offline by +replacing the index.php file with a static one. + +Step 1: Update your CodeIgniter files +===================================== + +Replace all files and directories in your *system/* directory. + +.. note:: If you have any custom developed files in these directories, + please make copies of them first. + +Step 2: Update your "ci_sessions" database table +================================================ + +If you're using the :doc:`Session Library </libraries/sessions>` with the +'database' driver, you may have to ``ALTER`` your sessions table for your +sessions to continue to work. + +.. note:: The table in question is not necessarily named "ci_sessions". + It is what you've set as your ``$config['sess_save_path']``. + +This will only affect you if you've changed your ``session.hash_function`` +*php.ini* setting to something like 'sha512'. Or if you've been running +an older CodeIgniter version on PHP 7.1+. + +It is recommended that you do this anyway, just to avoid potential issues +in the future if you do change your configuration. + +Just execute the one of the following SQL queries, depending on your +database:: + + // MySQL: + ALTER TABLE ci_sessions CHANGE id id varchar(128) NOT NULL; + + // PostgreSQL + ALTER TABLE ci_sessions ALTER COLUMN id SET DATA TYPE varchar(128); |