{
  "db_name": "PostgreSQL",
  "query": "SELECT id, username, display_name, created_at FROM users WHERE username = $1 AND is_active = true",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "id",
        "type_info": "Uuid"
      },
      {
        "ordinal": 1,
        "name": "username",
        "type_info": "Varchar"
      },
      {
        "ordinal": 2,
        "name": "display_name",
        "type_info": "Varchar"
      },
      {
        "ordinal": 3,
        "name": "created_at",
        "type_info": "Timestamptz"
      }
    ],
    "parameters": {
      "Left": [
        "Text"
      ]
    },
    "nullable": [
      false,
      false,
      true,
      false
    ]
  },
  "hash": "2376b5dff203895eb0b78454a323beb8a90d4ea20ca201226d4b228a2b846c4f"
}