JSONCompact

JSONCompact 포맷 문서

입력	출력	별칭
✔	✔

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설명

JSON과 다른 점은 데이터 행이 객체가 아니라 배열로 출력된다는 점뿐입니다.

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사용 예시

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데이터 삽입

다음 데이터가 담긴 football.json JSON 파일을 사용합니다:

{
    "meta":
    [
        {
            "name": "date",
            "type": "Date"
        },
        {
            "name": "season",
            "type": "Int16"
        },
        {
            "name": "home_team",
            "type": "LowCardinality(String)"
        },
        {
            "name": "away_team",
            "type": "LowCardinality(String)"
        },
        {
            "name": "home_team_goals",
            "type": "Int8"
        },
        {
            "name": "away_team_goals",
            "type": "Int8"
        }
    ],
    "data":
    [
        ["2022-04-30", 2021, "Sutton United", "Bradford City", 1, 4],
        ["2022-04-30", 2021, "Swindon Town", "Barrow", 2, 1],
        ["2022-04-30", 2021, "Tranmere Rovers", "Oldham Athletic", 2, 0],
        ["2022-05-02", 2021, "Port Vale", "Newport County", 1, 2],
        ["2022-05-02", 2021, "Salford City", "Mansfield Town", 2, 2],
        ["2022-05-07", 2021, "Barrow", "Northampton Town", 1, 3],
        ["2022-05-07", 2021, "Bradford City", "Carlisle United", 2, 0],
        ["2022-05-07", 2021, "Bristol Rovers", "Scunthorpe United", 7, 0],
        ["2022-05-07", 2021, "Exeter City", "Port Vale", 0, 1],
        ["2022-05-07", 2021, "Harrogate Town A.F.C.", "Sutton United", 0, 2],
        ["2022-05-07", 2021, "Hartlepool United", "Colchester United", 0, 2],
        ["2022-05-07", 2021, "Leyton Orient", "Tranmere Rovers", 0, 1],
        ["2022-05-07", 2021, "Mansfield Town", "Forest Green Rovers", 2, 2],
        ["2022-05-07", 2021, "Newport County", "Rochdale", 0, 2],
        ["2022-05-07", 2021, "Oldham Athletic", "Crawley Town", 3, 3],
        ["2022-05-07", 2021, "Stevenage Borough", "Salford City", 4, 2],
        ["2022-05-07", 2021, "Walsall", "Swindon Town", 0, 3]
    ]
}

데이터를 삽입하세요:

INSERT INTO football FROM INFILE 'football.json' FORMAT JSONCompact;

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데이터 읽기

JSONCompact 포맷으로 데이터를 읽습니다:

SELECT *
FROM football
FORMAT JSONCompact

출력은 JSON 포맷으로 제공됩니다:

{
    "meta":
    [
        {
            "name": "date",
            "type": "Date"
        },
        {
            "name": "season",
            "type": "Int16"
        },
        {
            "name": "home_team",
            "type": "LowCardinality(String)"
        },
        {
            "name": "away_team",
            "type": "LowCardinality(String)"
        },
        {
            "name": "home_team_goals",
            "type": "Int8"
        },
        {
            "name": "away_team_goals",
            "type": "Int8"
        }
    ],

    "data":
    [
        ["2022-04-30", 2021, "Sutton United", "Bradford City", 1, 4],
        ["2022-04-30", 2021, "Swindon Town", "Barrow", 2, 1],
        ["2022-04-30", 2021, "Tranmere Rovers", "Oldham Athletic", 2, 0],
        ["2022-05-02", 2021, "Port Vale", "Newport County", 1, 2],
        ["2022-05-02", 2021, "Salford City", "Mansfield Town", 2, 2],
        ["2022-05-07", 2021, "Barrow", "Northampton Town", 1, 3],
        ["2022-05-07", 2021, "Bradford City", "Carlisle United", 2, 0],
        ["2022-05-07", 2021, "Bristol Rovers", "Scunthorpe United", 7, 0],
        ["2022-05-07", 2021, "Exeter City", "Port Vale", 0, 1],
        ["2022-05-07", 2021, "Harrogate Town A.F.C.", "Sutton United", 0, 2],
        ["2022-05-07", 2021, "Hartlepool United", "Colchester United", 0, 2],
        ["2022-05-07", 2021, "Leyton Orient", "Tranmere Rovers", 0, 1],
        ["2022-05-07", 2021, "Mansfield Town", "Forest Green Rovers", 2, 2],
        ["2022-05-07", 2021, "Newport County", "Rochdale", 0, 2],
        ["2022-05-07", 2021, "Oldham Athletic", "Crawley Town", 3, 3],
        ["2022-05-07", 2021, "Stevenage Borough", "Salford City", 4, 2],
        ["2022-05-07", 2021, "Walsall", "Swindon Town", 0, 3]
    ],

    "rows": 17,

    "statistics":
    {
        "elapsed": 0.223690876,
        "rows_read": 0,
        "bytes_read": 0
    }
}

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포맷 설정