任务分配表：dl_task_mark
============================

**任务分配表**

**字段**

+----------------+--------+------+--------+----------+--------+---------------+
|      列名      |  类型  | 长度 | 小数点 | 是否非空 | 默认值 |     备注      |
+================+========+======+========+==========+========+===============+
| id             | bigint | 20   | 0      | not null |        | 主键，自增 ID |
+----------------+--------+------+--------+----------+--------+---------------+
| pre_id         | bigint | 20   | 0      | not null |        | 前任务ID      |
+----------------+--------+------+--------+----------+--------+---------------+
| type           | int    | 11   | 0      | not null |        | 任务类型      |
+----------------+--------+------+--------+----------+--------+---------------+
| label_set_type | int    | 11   | 0      | not null |        | 样本集类型    |
+----------------+--------+------+--------+----------+--------+---------------+
| task_id        | bigint | 20   | 0      | not null |        | 任务ID        |
+----------------+--------+------+--------+----------+--------+---------------+
| sample_id      | bigint | 20   | 0      | not null |        | 样本ID        |
+----------------+--------+------+--------+----------+--------+---------------+
| label_id       | bigint | 20   | 0      | not null |        | 标签ID        |
+----------------+--------+------+--------+----------+--------+---------------+
| state          | int    | 11   | 0      | not null |        | 任务状态      |
+----------------+--------+------+--------+----------+--------+---------------+


**索引**

+------+----------+------+
| 字段 | 索引类型 | 备注 |
+======+==========+======+
| id   | PRIMARY  |      |
+------+----------+------+

**建表语句**
::

  CREATE TABLE `dl_task_mark` (
    `id` bigint(20) NOT NULL AUTO_INCREMENT,
    `pre_id` bigint(20) NOT NULL,
    `type` int(11) NOT NULL,
    `label_set_type` int(11) DEFAULT NULL,
    `task_id` bigint(20) NOT NULL,
    `sample_id` bigint(20) NOT NULL,
    `label_id` bigint(20) NOT NULL,
    `state` int(11) NOT NULL DEFAULT 0,
    PRIMARY KEY (`id`) USING BTREE
  ) ENGINE=InnoDB AUTO_INCREMENT=649 DEFAULT CHARSET=utf8 ROW_FORMAT=DYNAMIC;