| 输入 | 输出 | 别名 |
|---|---|---|
| ✔ | ✔ |
描述
JSONCompactEachRow 格式的不同之处在于，还会像 TabSeparatedWithNames 格式一样输出包含列名的标题行。
使用示例
插入数据
football.json 且包含以下数据的 JSON 文件：
["date", "season", "home_team", "away_team", "home_team_goals", "away_team_goals"]
["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]
INSERT INTO football FROM INFILE 'football.json' FORMAT JSONCompactEachRowWithNames;
读取数据
JSONCompactEachRowWithNames 格式读取数据：
SELECT *
FROM football
FORMAT JSONCompactEachRowWithNames
["date", "season", "home_team", "away_team", "home_team_goals", "away_team_goals"]
["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]
格式设置
如果将设置
input_format_with_names_use_header 设为 1，输入数据中的列会按名称映射到表中的列；如果将设置 input_format_skip_unknown_fields 设为 1，则名称未知的列会被跳过。
否则，将跳过第一行。