text: CREATE TABLE music_log (
    id        INT(11) PRIMARY KEY                 NOT NULL AUTO_INCREMENT,
    music_id  INT(11) DEFAULT '0'                 NOT NULL,
    guild_id  INT(11) DEFAULT '0'                 NOT NULL,
    user_id   INT(11),
    play_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
  );
  
  CREATE INDEX music_log_guild_id_index
    ON music_log (guild_id);
  CREATE INDEX music_log_guild_id_music_id_index
    ON music_log (guild_id, music_id);
  CREATE INDEX music_log_music_id_index
    ON music_log (music_id);
  CREATE INDEX music_filename_unique_index
    ON music (filename);
  CREATE INDEX music_youtubecode_unique_index
    ON music (youtubecode);