{
  "scope": "Authored SELECT queries and manually specified results for fictional local in-memory SQLite only; not observed model outputs or production instructions",
  "queries": [
    {
      "name": "inner_pairs",
      "sql": "SELECT t.task_id,t.team,e.event_id,e.kind FROM tasks t INNER JOIN events e ON t.task_id=e.task_id ORDER BY t.task_id,e.event_id",
      "expected": [
        [
          "T1",
          "A",
          "E1",
          "done"
        ],
        [
          "T1",
          "A",
          "E2",
          "note"
        ],
        [
          "T2",
          "A",
          "E3",
          "done"
        ]
      ]
    },
    {
      "name": "left_pairs",
      "sql": "SELECT t.task_id,t.team,e.event_id,e.kind FROM tasks t LEFT JOIN events e ON t.task_id=e.task_id ORDER BY t.task_id,e.event_id",
      "expected": [
        [
          "T1",
          "A",
          "E1",
          "done"
        ],
        [
          "T1",
          "A",
          "E2",
          "note"
        ],
        [
          "T2",
          "A",
          "E3",
          "done"
        ],
        [
          "T3",
          "B",
          null,
          null
        ],
        [
          "T4",
          "B",
          null,
          null
        ]
      ]
    },
    {
      "name": "where_done",
      "sql": "SELECT t.task_id,e.event_id FROM tasks t LEFT JOIN events e ON t.task_id=e.task_id WHERE e.kind='done' ORDER BY t.task_id,e.event_id",
      "expected": [
        [
          "T1",
          "E1"
        ],
        [
          "T2",
          "E3"
        ]
      ]
    },
    {
      "name": "on_done",
      "sql": "SELECT t.task_id,e.event_id FROM tasks t LEFT JOIN events e ON t.task_id=e.task_id AND e.kind='done' ORDER BY t.task_id,e.event_id",
      "expected": [
        [
          "T1",
          "E1"
        ],
        [
          "T2",
          "E3"
        ],
        [
          "T3",
          null
        ],
        [
          "T4",
          null
        ]
      ]
    },
    {
      "name": "left_counts",
      "sql": "SELECT COUNT(*),COUNT(e.event_id),COUNT(DISTINCT t.task_id) FROM tasks t LEFT JOIN events e ON t.task_id=e.task_id",
      "expected": [
        [
          5,
          3,
          4
        ]
      ]
    },
    {
      "name": "team_counts",
      "sql": "SELECT t.team,COUNT(*),COUNT(e.event_id),COUNT(DISTINCT t.task_id) FROM tasks t LEFT JOIN events e ON t.task_id=e.task_id GROUP BY t.team ORDER BY t.team",
      "expected": [
        [
          "A",
          3,
          3,
          2
        ],
        [
          "B",
          2,
          0,
          2
        ]
      ]
    },
    {
      "name": "distinct_inner_tasks",
      "sql": "SELECT DISTINCT t.task_id FROM tasks t INNER JOIN events e ON t.task_id=e.task_id ORDER BY t.task_id",
      "expected": [
        [
          "T1"
        ],
        [
          "T2"
        ]
      ]
    },
    {
      "name": "unmatched_event_references",
      "sql": "SELECT e.event_id,e.task_id FROM events e LEFT JOIN tasks t ON e.task_id=t.task_id WHERE t.task_id IS NULL ORDER BY e.event_id",
      "expected": [
        [
          "E4",
          "T9"
        ]
      ]
    }
  ]
}