{
    "summary": [
        {
            "name": "dd_approvals",
            "title": "审批记录表",
            "primary": [
                "id"
            ]
        }
    ],
    "fields": [
        {
            "name": "id",
            "title": "主键ID",
            "type": "str",
            "length": 32,
            "nullable": "no"
        },
        {
            "name": "org_id",
            "title": "组织ID",
            "type": "str",
            "length": 32,
            "default": "0"
        },
        {
            "name": "biz_type",
            "title": "业务类型(content_publish等)",
            "type": "str",
            "length": 32,
            "nullable": "no"
        },
        {
            "name": "biz_id",
            "title": "业务数据ID",
            "type": "str",
            "length": 32,
            "nullable": "no"
        },
        {
            "name": "title",
            "title": "审批标题",
            "type": "str",
            "length": 255,
            "nullable": "no"
        },
        {
            "name": "applicant_id",
            "title": "申请人ID",
            "type": "str",
            "length": 32,
            "nullable": "no"
        },
        {
            "name": "approver_id",
            "title": "审批人ID",
            "type": "str",
            "length": 32
        },
        {
            "name": "dingtalk_instance_id",
            "title": "钉钉审批实例ID",
            "type": "str",
            "length": 100
        },
        {
            "name": "status",
            "title": "状态(pending/approved/rejected/cancelled)",
            "type": "str",
            "length": 32,
            "default": "pending"
        },
        {
            "name": "comment",
            "title": "审批意见",
            "type": "text"
        },
        {
            "name": "created_at",
            "title": "创建时间",
            "type": "timestamp"
        },
        {
            "name": "completed_at",
            "title": "完成时间",
            "type": "datetime"
        }
    ],
    "indexes": [
        {
            "name": "idx_approval_biz",
            "idxtype": "index",
            "idxfields": [
                "biz_type",
                "biz_id"
            ]
        },
        {
            "name": "idx_approval_status",
            "idxtype": "index",
            "idxfields": [
                "org_id",
                "status"
            ]
        },
        {
            "name": "idx_approval_applicant",
            "idxtype": "index",
            "idxfields": [
                "applicant_id"
            ]
        }
    ]
}