{
    "summary": [
        {
            "name": "order_payments",
            "title": "订单付款记录表",
            "primary": "id",
            "catelog": "relation"
        }
    ],
    "fields": [
        {
            "name": "id",
            "title": "付款记录ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "主键 - UUID格式"
        },
        {
            "name": "order_id",
            "title": "订单ID",
            "type": "str",
            "length": 32,
            "nullable": "no",
            "comments": "关联的订单ID"
        },
        {
            "name": "payment_amount",
            "title": "付款金额",
            "type": "decimal",
            "length": 15,
            "dec": 2,
            "nullable": "no",
            "comments": "本次付款金额"
        },
        {
            "name": "payment_date",
            "title": "付款日期",
            "type": "date",
            "nullable": "no",
            "comments": "付款日期"
        },
        {
            "name": "payment_method",
            "title": "付款方式",
            "type": "str",
            "length": 50,
            "nullable": "yes",
            "comments": "付款方式"
        },
        {
            "name": "payment_reference",
            "title": "付款凭证",
            "type": "str",
            "length": 100,
            "nullable": "yes",
            "comments": "付款凭证号或参考号"
        },
        {
            "name": "status",
            "title": "付款状态",
            "type": "str",
            "length": 20,
            "nullable": "no",
            "default": "pending",
            "comments": "状态：pending=待确认, confirmed=已确认, rejected=已拒绝"
        },
        {
            "name": "notes",
            "title": "备注",
            "type": "text",
            "nullable": "yes",
            "comments": "付款备注"
        },
        {
            "name": "created_at",
            "title": "创建时间",
            "type": "timestamp",
            "nullable": "no",
            "comments": "创建时间"
        },
        {
            "name": "confirmed_at",
            "title": "确认时间",
            "type": "timestamp",
            "nullable": "yes",
            "comments": "付款确认时间"
        },
        {
            "name": "confirmed_by",
            "title": "确认人ID",
            "type": "str",
            "length": 32,
            "nullable": "yes",
            "comments": "付款确认人ID"
        }
    ],
    "indexes": [
        {
            "name": "idx_payments_order",
            "idxtype": "index",
            "idxfields": ["order_id"]
        },
        {
            "name": "idx_payments_status",
            "idxtype": "index",
            "idxfields": ["status"]
        },
        {
            "name": "idx_payments_date",
            "idxtype": "index",
            "idxfields": ["payment_date"]
        }
    ]
}