tasks/readable/017/task_readable.sql

/*
{
  "qid": "017",
  "task_type": "ambig",
  "has_intended_resolution": true,
  "language": "SQLite",
  "db": "retails",
  "question": "Find the customer with the largest order value in each market segment.",
  "gold_ambiguity_points": [
    {
      "id": "A",
      "phrase": "largest order value",
      "type": "finite",
      "ambiguity_type": "semantic_computation",
      "interpretations": [
        "largest single order value",
        "largest total order value"
      ],
      "intended_interpretation_idx": 1
    }
  ],
  "gold_intended_query_id": "GQRY-A.1",
  "extra_info": {}
}
*/


----- START OF GOLD QUERY `GQRY-A.0` -----
/*
{
  "id": "GQRY-A.0",
  "parameter_names": [],
  "parameter_values": {},
  "other_exec_results": [],
  "required_columns": [
    0,
    2
  ],
  "required_sorted": false,
  "extra_info": {
    "ambiguity_resolution": {
      "[A] largest order value": "largest single order value"
    }
  }
}
*/
WITH order_totals AS (
SELECT c_mktsegment, c.c_custkey, c.c_name, MAX(o.o_totalprice) AS max_o_totalprice
FROM customer c
JOIN orders o ON c.c_custkey = o.o_custkey
GROUP BY c_mktsegment, c.c_custkey, c.c_name
)
SELECT
ot.c_mktsegment AS market_segment,
ot.c_custkey AS customer_key,
ot.c_name AS customer_name,
ot.max_o_totalprice AS largest_value
FROM order_totals ot
JOIN (
SELECT ot2.c_mktsegment, MAX(ot2.max_o_totalprice) AS max_value
FROM order_totals ot2
GROUP BY ot2.c_mktsegment
) AS max_val ON ot.c_mktsegment = max_val.c_mktsegment AND ot.max_o_totalprice = max_val.max_value;
/* EXEC RESULT
market_segment  customer_key      customer_name  largest_value
    AUTOMOBILE         92176 Customer#000092176      516410.40
      BUILDING         20210 Customer#000020210      528557.33
     FURNITURE         62623 Customer#000062623      527130.81
     HOUSEHOLD        122104 Customer#000122104      499669.03
     MACHINERY        126544 Customer#000126544      510600.98
*/
----- END OF GOLD QUERY -----


----- START OF GOLD QUERY `GQRY-A.1` -----
/*
{
  "id": "GQRY-A.1",
  "parameter_names": [],
  "parameter_values": {},
  "other_exec_results": [],
  "required_columns": [
    0,
    2
  ],
  "required_sorted": false,
  "extra_info": {
    "ambiguity_resolution": {
      "[A] largest order value": "largest total order value"
    }
  }
}
*/
WITH order_totals AS (
SELECT c_mktsegment, c.c_custkey, c.c_name, SUM(o.o_totalprice) AS total_o_totalprice
FROM customer c
JOIN orders o ON c.c_custkey = o.o_custkey
GROUP BY c_mktsegment, c.c_custkey, c.c_name
)
SELECT
ot.c_mktsegment AS market_segment,
ot.c_custkey AS customer_key,
ot.c_name AS customer_name,
ot.total_o_totalprice AS largest_value
FROM order_totals ot
JOIN (
SELECT ot2.c_mktsegment, MAX(ot2.total_o_totalprice) AS max_value
FROM order_totals ot2
GROUP BY ot2.c_mktsegment
) AS max_val ON ot.c_mktsegment = max_val.c_mktsegment AND ot.total_o_totalprice = max_val.max_value;
/* EXEC RESULT
market_segment  customer_key      customer_name  largest_value
    AUTOMOBILE        114308 Customer#000114308     5486668.76
      BUILDING         58421 Customer#000058421     5487155.77
     FURNITURE         41290 Customer#000041290     5473361.71
     HOUSEHOLD         79933 Customer#000079933     5928489.38
     MACHINERY         58387 Customer#000058387     5719569.38
*/
----- END OF GOLD QUERY -----