TabSeparatedWithNames
| 输入 | 输出 | 别名 |
|---|---|---|
| ✔ | ✔ | TSVWithNames, RawWithNames |
描述
与 TabSeparated 格式不同的是，列名写在第一行。
在解析过程中，第一行预期包含列名。你可以使用列名来确定它们的位置并检查其正确性。
备注
如果设置 input_format_with_names_use_header 为 1，输入数据中的列将通过其名称映射到表的列，未知名称的列将被跳过，如果设置 input_format_skip_unknown_fields 为 1。否则，第一行将被跳过。
示例用法
插入数据
使用以下 tsv 文件，命名为 football.tsv：
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
插入数据：
INSERT INTO football FROM INFILE 'football.tsv' FORMAT TabSeparatedWithNames;
读取数据
使用 TabSeparatedWithNames 格式读取数据：
SELECT *
FROM football
FORMAT TabSeparatedWithNames
输出将为制表符分隔格式：
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
