PrettyJSONEachRow - ClickHouse Documentation

Ввод	Вывод	Псевдоним
✗	✔	`PrettyJSONLines`, `PrettyNDJSON`

Описание

Отличается от JSONEachRow только тем, что JSON отформатирован для удобства чтения: в качестве разделителей используются символы новой строки, а отступы составляют 4 пробела.

Пример использования

Вставка данных

Используйте JSON‑файл football.json со следующими данными:

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

Вставьте данные:

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

Чтение данных

Прочитайте данные в формате PrettyJSONEachRow:

SELECT *
FROM football
FORMAT PrettyJSONEachRow

Вывод будет в формате JSON:

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

​Описание

​Пример использования

​Вставка данных

​Чтение данных

​Настройки формата

Описание

Пример использования

Вставка данных

Чтение данных

Настройки формата