create table ai.song_task_subject
(
    task_id     varchar(64)   not null
        primary key,
    prompt      varchar(5000) null,
    description varchar(1000) null,
    start_time  datetime      not null,
    update_time datetime      not null,
    subject     varchar(255)  null,
    status      int default 0 not null
);

create index start_time_index
    on ai.song_task_subject (start_time);

create index status_index
    on ai.song_task_subject (status);