-option "mysql_host" - "mysql server" string default="localhost" no
-option "mysql_port" - "where mysql is listening" int default="3306" no
-option "mysql_user" - "default value: username from /etc/passwd" string no
-option "mysql_passwd" - "(required)" string no
-option "mysql_database" - "name of mysql database" string default="paraslash" no
-option "mysql_audio_file_dir" - "dir to search for audio files (required)" string no
-option "mysql_default_score" - "scoring rule to use if stream definition does not contain explicit score definition" string default="(LASTPLAYED() / 1440 - 1000 / (LASTPLAYED() + 1) - sqrt(NUMPLAYED()))" no
+option "mysql_host" - "mysql server" string default="localhost" optional
+option "mysql_port" - "where mysql is listening" int default="3306" optional
+option "mysql_user" - "default value: username from /etc/passwd" string optional
+option "mysql_passwd" - "(required)" string optional
+option "mysql_database" - "name of mysql database" string default="paraslash" optional
+option "mysql_audio_file_dir" - "dir to search for audio files (required)" string optional
+option "mysql_default_score" - "scoring rule to use if stream definition does not contain explicit score definition" string default="(LASTPLAYED() / 1440 - 1000 / (LASTPLAYED() + 1) - sqrt(NUMPLAYED()))" optional