mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-15 03:53:41 +00:00
27 lines
826 B
Markdown
27 lines
826 B
Markdown
|
---
|
|||
|
|
machine_translated: true
|
|||
|
|
machine_translated_rev: b111334d6614a02564cf32f379679e9ff970d9b1
|
|||
|
|
toc_priority: 41
|
|||
|
|
toc_title: url
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
# url {#url}
|
|||
|
|
|
|||
|
|
`url(URL, format, structure)` -返回从创建的表 `URL` 与给定
|
|||
|
|
`format` 和 `structure`.
|
|||
|
|
|
|||
|
|
URL-HTTP或HTTPS服务器地址，它可以接受 `GET` 和/或 `POST` 请求。
|
|||
|
|
|
|||
|
|
格式 - [格式](../../interfaces/formats.md#formats) 的数据。
|
|||
|
|
|
|||
|
|
结构-表结构 `'UserID UInt64, Name String'` 格式。 确定列名称和类型。
|
|||
|
|
|
|||
|
|
**示例**
|
|||
|
|
|
|||
|
|
``` sql
|
|||
|
|
-- getting the first 3 lines of a table that contains columns of String and UInt32 type from HTTP-server which answers in CSV format.
|
|||
|
|
SELECT * FROM url('http://127.0.0.1:12345/', CSV, 'column1 String, column2 UInt32') LIMIT 3
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
[原始文章](https://clickhouse.tech/docs/en/query_language/table_functions/url/) <!--hide-->
|