{
  "summary": [
    {
      "name": "flow_op_log",
      "title": "流转日志",
      "pk": [
        "id"
      ],
      "charset": "utf8mb4",
      "collate": "utf8mb4_unicode_ci"
    }
  ],
  "fields": [
    {
      "name": "id",
      "title": "主键",
      "type": "varchar",
      "length": 32,
      "notnull": true
    },
    {
      "name": "instance_id",
      "title": "流程实例",
      "type": "varchar",
      "length": 32
    },
    {
      "name": "op_type",
      "title": "操作类型(submit/approve/reject/forward/cancel/withdraw)",
      "type": "varchar",
      "length": 16
    },
    {
      "name": "operator_id",
      "title": "操作人",
      "type": "varchar",
      "length": 32
    },
    {
      "name": "comment",
      "title": "意见",
      "type": "text"
    },
    {
      "name": "created_at",
      "title": "创建时间",
      "type": "timestamp"
    }
  ],
  "indexes": [
    {
      "name": "idx_instance",
      "fields": [
        "instance_id"
      ]
    }
  ],
  "codes": []
}