{
  "model": "SalesInvoiceQueryModel",
  "columns": [
    "customerId",
    "customerName",
    "SUM(salesAmount) AS totalSales"
  ],
  "slice": [
    {
      "field": "invoiceDate",
      "op": "[)",
      "value": ["2025-06-01", "2025-07-01"]
    }
  ],
  "groupBy": ["customerId", "customerName"],
  "orderBy": ["-totalSales", "customerId"],
  "limit": 3
}