{
    "summary": [
        {
            "name": "pricing_cache",
            "title": "定价数据缓存",
            "primary": [
                "id"
            ],
            "classification": "cache"
        }
    ],
    "fields": [
        {
            "name": "id",
            "type": "str",
            "nullable": false,
            "default": "",
            "comment": "主键，对应 pricing_program id (ppid)",
            "length": 32
        },
        {
            "name": "llmid",
            "type": "str",
            "nullable": false,
            "default": "",
            "comment": "关联模型ID",
            "length": 32
        },
        {
            "name": "model_name",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "模型名称",
            "length": 128
        },
        {
            "name": "pricing_type",
            "type": "str",
            "nullable": false,
            "default": "",
            "comment": "计费类型: token/image/video/audio",
            "length": 32
        },
        {
            "name": "input_price",
            "type": "double",
            "nullable": true,
            "default": null,
            "comment": "输入单价（每千token）",
            "length": 10,
            "dec": 6
        },
        {
            "name": "output_price",
            "type": "double",
            "nullable": true,
            "default": null,
            "comment": "输出单价（每千token）",
            "length": 10,
            "dec": 6
        },
        {
            "name": "unit_price",
            "type": "double",
            "nullable": true,
            "default": null,
            "comment": "统一单价（按次/按图/按分钟等）",
            "length": 10,
            "dec": 6
        },
        {
            "name": "currency",
            "type": "str",
            "nullable": false,
            "default": "CNY",
            "comment": "货币单位",
            "length": 8
        },
        {
            "name": "status",
            "type": "str",
            "nullable": false,
            "default": "active",
            "comment": "状态: active/inactive/deprecated",
            "length": 16
        },
        {
            "name": "effective_from",
            "type": "datetime",
            "nullable": true,
            "default": null,
            "comment": "生效时间"
        },
        {
            "name": "effective_to",
            "type": "datetime",
            "nullable": true,
            "default": null,
            "comment": "失效时间"
        },
        {
            "name": "sync_version",
            "type": "str",
            "nullable": true,
            "default": "",
            "comment": "同步版本号",
            "length": 32
        },
        {
            "name": "cached_at",
            "type": "datetime",
            "nullable": false,
            "default": "CURRENT_TIMESTAMP",
            "comment": "缓存写入时间"
        }
    ],
    "idxfields": [
        {
            "name": "idx_llmid",
            "fields": [
                "llmid"
            ],
            "unique": false
        },
        {
            "name": "idx_pricing_type",
            "fields": [
                "pricing_type"
            ],
            "unique": false
        },
        {
            "name": "idx_status",
            "fields": [
                "status"
            ],
            "unique": false
        }
    ],
    "codes": []
}