{ "type": "metadata", "table_name": "dws:revenue_summary", "layer": "DWS", "domain": "revenue", "description": "汇总营收数据", "fields": [ {"name": "date", "type": "DATE", "description": "日期"}, {"name": "total_revenue", "type": "DOUBLE", "description": "总营收"}, {"name": "avg_daily_revenue", "type": "DOUBLE", "description": "日均营收"} ], "created_at": "2024-12-12T08:00:00", "updated_at": "2024-12-12T10:00:00" }