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> 关于 TabSeparatedWithNames 格式的文档

# TabSeparatedWithNames

| 输入 | 输出 | 别名                             |
| -- | -- | ------------------------------ |
| ✔  | ✔  | `TSVWithNames`, `RawWithNames` |

<div id="description">
  ## 说明
</div>

与 [`TabSeparated`](/zh/reference/formats/TabSeparated/TabSeparated) 格式不同的是，该格式会在第一行写入列名。

解析时，第一行应包含列名。你可以通过列名确定其位置，并检查其正确性。

<Note>
  如果将设置 [`input_format_with_names_use_header`](/zh/reference/settings/formats#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`](/zh/reference/settings/formats#input_format_skip_unknown_fields) 设为 `1`，则会跳过名称未知的列。
  否则，第一行会被跳过。
</Note>

<div id="example-usage">
  ## 使用示例
</div>

<div id="inserting-data">
  ### 插入数据
</div>

使用下面这个名为 `football.tsv` 的 TSV 文件：

```tsv theme={null}
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：

```sql theme={null}
INSERT INTO football FROM INFILE 'football.tsv' FORMAT TabSeparatedWithNames;
```

<div id="reading-data">
  ### 读取数据
</div>

使用 `TabSeparatedWithNames` 格式来读取数据：

```sql theme={null}
SELECT *
FROM football
FORMAT TabSeparatedWithNames
```

输出将采用制表符分隔格式：

```tsv theme={null}
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
```

<div id="format-settings">
  ## 格式设置
</div>