 
     PRIMARY KEY (id)
 ) ENGINE = InnoDB;
+ALTER TABLE mission_attribute ADD INDEX (mission_id);
 
 CREATE TABLE IF NOT EXISTS mission_event (
     id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,


    PRIMARY KEY (id)
) ENGINE = InnoDB;

CREATE TABLE IF NOT EXISTS entity_position (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,


    PRIMARY KEY (id)
) ENGINE = InnoDB;
ALTER TABLE entity_attribute ADD INDEX (entity_id);

CREATE TABLE IF NOT EXISTS entity_event (
    id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
