{
  "summary": [
    {
      "name": "org_unit_change",
      "title": "组织变更时间轴",
      "pk": [
        "id"
      ],
      "charset": "utf8mb4",
      "collate": "utf8mb4_unicode_ci"
    }
  ],
  "fields": [
    {
      "name": "id",
      "title": "主键",
      "type": "varchar",
      "length": 32,
      "notnull": true
    },
    {
      "name": "org_id",
      "title": "组织",
      "type": "varchar",
      "length": 32
    },
    {
      "name": "change_type",
      "title": "变更类型(add/edit/disable/move/split/merge/delete)",
      "type": "varchar",
      "length": 16
    },
    {
      "name": "before_json",
      "title": "变更前快照",
      "type": "text"
    },
    {
      "name": "after_json",
      "title": "变更后快照",
      "type": "text"
    },
    {
      "name": "effective_date",
      "title": "生效日期",
      "type": "date"
    },
    {
      "name": "operator_id",
      "title": "操作人",
      "type": "varchar",
      "length": 32
    },
    {
      "name": "flow_instance_id",
      "title": "流程实例",
      "type": "varchar",
      "length": 32
    },
    {
      "name": "created_at",
      "title": "创建时间",
      "type": "timestamp"
    }
  ],
  "indexes": [
    {
      "name": "idx_org_id",
      "fields": [
        "org_id"
      ]
    },
    {
      "name": "idx_created_at",
      "fields": [
        "created_at"
      ]
    }
  ],
  "codes": []
}