JSONStringsEachRow - ClickHouse Documentation

Ввод	Вывод	Псевдоним
✗	✔

Описание

Отличается от JSONEachRow только тем, что поля данных выводятся в виде строк, а не типизированных значений JSON.

Пример использования

Вставка данных

Используйте JSON‑файл со следующими данными под названием football.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"}   

Вставьте данные:

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

Чтение данных

Считывайте данные в формате JSONStringsEachRow:

SELECT *
FROM football
FORMAT JSONStringsEachRow

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