{
  "o105_line_count": {
    "expected": 3,
    "actual": 3,
    "query": "select count(*) from order_lines where id='O105'"
  },
  "o105_line_revenue": {
    "expected": 120,
    "actual": 120,
    "query": "select sum(line_revenue) from order_lines where id='O105'"
  },
  "o105_wrong_join_total": {
    "expected": 360,
    "actual": 360,
    "query": "select sum(o.revenue) from orders o join order_lines l using(id) where o.id='O105'"
  },
  "all_revenue": {
    "expected": 490,
    "actual": 490,
    "query": "select sum(revenue) from orders"
  },
  "january_revenue": {
    "expected": 290,
    "actual": 290,
    "query": "select sum(revenue) from orders where order_date like '2026-01%'"
  },
  "february_revenue": {
    "expected": 200,
    "actual": 200,
    "query": "select sum(revenue) from orders where order_date like '2026-02%'"
  },
  "january_east_revenue": {
    "expected": 190,
    "actual": 190,
    "query": "select sum(revenue) from orders where order_date like '2026-01%' and region='East'"
  },
  "january_east_product_a": {
    "expected": 150,
    "actual": 150,
    "query": "select sum(revenue) from orders where order_date like '2026-01%' and region='East' and product='A'"
  },
  "january_known_customers": {
    "expected": 4,
    "actual": 4,
    "query": "select count(distinct customer_id) from orders where order_date like '2026-01%'"
  },
  "february_known_customers": {
    "expected": 2,
    "actual": 2,
    "query": "select count(distinct customer_id) from orders where order_date like '2026-02%'"
  },
  "all_known_customers": {
    "expected": 5,
    "actual": 5,
    "query": "select count(distinct customer_id) from orders"
  },
  "january_ship_revenue": {
    "expected": 200,
    "actual": 200,
    "query": "select sum(revenue) from orders where ship_date like '2026-01%'"
  },
  "february_ship_revenue": {
    "expected": 260,
    "actual": 260,
    "query": "select sum(revenue) from orders where ship_date like '2026-02%'"
  }
}