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| -rw-r--r-- | user_guide_src/source/installation/upgrade_312.rst | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/user_guide_src/source/installation/upgrade_312.rst b/user_guide_src/source/installation/upgrade_312.rst index 91467233e..e0b2191dd 100644 --- a/user_guide_src/source/installation/upgrade_312.rst +++ b/user_guide_src/source/installation/upgrade_312.rst @@ -12,3 +12,29 @@ 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); |