Meta table on MySQL
```sql
mysql> DESCRIBE danbooru_posts;
+------------------------+-------------+------+-----+---------+----------------+
| Field                  | Type        | Null | Key | Default | Extra          |
+------------------------+-------------+------+-----+---------+----------------+
| id                     | bigint      | NO   | PRI | NULL    | auto_increment |
| created_at             | datetime    | YES  |     | NULL    |                |
| uploader_id            | int         | YES  |     | NULL    |                |
| score                  | int         | YES  |     | NULL    |                |
| source                 | text        | YES  |     | NULL    |                |
| md5                    | varchar(32) | YES  |     | NULL    |                |
| last_comment_bumped_at | datetime    | YES  |     | NULL    |                |
| rating                 | varchar(1)  | YES  |     | NULL    |                |
| image_width            | int         | YES  |     | NULL    |                |
| image_height           | int         | YES  |     | NULL    |                |
| tag_string             | text        | YES  |     | NULL    |                |
| fav_count              | int         | YES  |     | NULL    |                |
| file_ext               | varchar(8)  | YES  |     | NULL    |                |
| last_noted_at          | datetime    | YES  |     | NULL    |                |
| parent_id              | int         | YES  |     | NULL    |                |
| has_children           | tinyint(1)  | YES  |     | NULL    |                |
| approver_id            | int         | YES  |     | NULL    |                |
| tag_count_general      | int         | YES  |     | NULL    |                |
| tag_count_artist       | int         | YES  |     | NULL    |                |
| tag_count_character    | int         | YES  |     | NULL    |                |
| tag_count_copyright    | int         | YES  |     | NULL    |                |
| file_size              | int         | YES  |     | NULL    |                |
| up_score               | int         | YES  |     | NULL    |                |
| down_score             | int         | YES  |     | NULL    |                |
| is_pending             | tinyint(1)  | YES  |     | NULL    |                |
| is_flagged             | tinyint(1)  | YES  |     | NULL    |                |
| is_deleted             | tinyint(1)  | YES  |     | NULL    |                |
| tag_count              | int         | YES  |     | NULL    |                |
| updated_at             | datetime    | YES  |     | NULL    |                |
| is_banned              | tinyint(1)  | YES  |     | NULL    |                |
| pixiv_id               | int         | YES  |     | NULL    |                |
| last_commented_at      | datetime    | YES  |     | NULL    |                |
| has_active_children    | tinyint(1)  | YES  |     | NULL    |                |
| bit_flags              | int         | YES  |     | NULL    |                |
| tag_count_meta         | int         | YES  |     | NULL    |                |
| has_large              | tinyint(1)  | YES  |     | NULL    |                |
| has_visible_children   | tinyint(1)  | YES  |     | NULL    |                |
| media_asset            | json        | YES  |     | NULL    |                |
| tag_string_general     | text        | YES  |     | NULL    |                |
| tag_string_character   | text        | YES  |     | NULL    |                |
| tag_string_copyright   | text        | YES  |     | NULL    |                |
| tag_string_artist      | text        | YES  |     | NULL    |                |
| tag_string_meta        | text        | YES  |     | NULL    |                |
| file_url               | text        | YES  |     | NULL    |                |
| large_file_url         | text        | YES  |     | NULL    |                |
| preview_file_url       | text        | YES  |     | NULL    |                |
+------------------------+-------------+------+-----+---------+----------------+
```

you can resotre with `mysql -u <your user> -p ACG < danbooru.sql` and create an `ACG` database if not exists