ZP-230 Changed config to use separate parameters for the engine, server,

port and database. Changed the code to match that. Added checks for the
database and table creation if they not exist. Fixed comments.

Released under the Affero GNU General Public License (AGPL) version 3.

src/backend/sqlstatemachine/config.php

@@ -43,14 +43,19 @@
 ************************************************/
 
 /**
- * DSN: formatted PDO connection string
- *    mysql:host=xxx;port=xxx;dbname=xxx
- *    DON'T FORGET TO INSTALL THE PHP-DRIVER PACKAGE!!!
- * USER: username to DB
- * PASSWORD: password to DB
- * OPTIONS: array with options needed
+ * DON'T FORGET TO INSTALL THE PHP-DRIVER PACKAGE!!!
+ * STATE_SQL_ENGINE:    the DB engine
+ * STATE_SQL_SERVER:    the DB server URI or IP
+ * STATE_SQL_PORT:      the DB server port
+ * STATE_SQL_DATABASE:  the DB name
+ * STATE_SQL_USER:      username to DB
+ * STATE_SQL_PASSWORD:  STATE_SQL_USER's password to DB
+ * STATE_SQL_OPTIONS:   array with options needed
  */
-define('STATE_SQL_DSN', '');
-define('STATE_SQL_USER', '');
+define('STATE_SQL_ENGINE', 'mysql');
+define('STATE_SQL_SERVER', 'localhost');
+define('STATE_SQL_PORT', '3306');
+define('STATE_SQL_DATABASE', 'zpushstates');
+define('STATE_SQL_USER', 'root');
 define('STATE_SQL_PASSWORD', '');
 define('STATE_SQL_OPTIONS', serialize(array(PDO::ATTR_PERSISTENT => true)));
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