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45 lines
1.6 KiB
Markdown
45 lines
1.6 KiB
Markdown
---
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toc_priority: 41
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toc_title: url
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---
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# url {#url}
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`url` function creates a table from the `URL` with given `format` and `structure`.
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`url` function may be used in `SELECT` and `INSERT` queries on data in [URL](../../engines/table-engines/special/url.md) tables.
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**Syntax**
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``` sql
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url(URL, format, structure)
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```
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**Input parameters**
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- `URL` - HTTP or HTTPS server address, which can accept `GET` (for `SELECT`) or `POST` (for `INSERT`) requests. Type: [String](../../sql-reference/data-types/string.md).
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- `format` - [Format](../../interfaces/formats.md#formats) of the data. Type: [String](../../sql-reference/data-types/string.md).
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- `structure` - Table structure in `'UserID UInt64, Name String'` format. Determines column names and types. Type: [String](../../sql-reference/data-types/string.md).
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**Returned value**
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A table with the specified format and structure and with data from the defined URL.
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**Examples**
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Getting the first 3 lines of a table that contains columns of `String` and `UInt32` type from HTTP-server which answers in `CSV` format.
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``` sql
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SELECT * FROM url('http://127.0.0.1:12345/', CSV, 'column1 String, column2 UInt32') LIMIT 3;
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```
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Inserting data from a URL into a table:
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``` sql
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CREATE TABLE test_table (column1 String, column2 UInt32) ENGINE=Memory;
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INSERT INTO FUNCTION url('http://127.0.0.1:8123/?query=INSERT+INTO+test_table+FORMAT+CSV', 'CSV', 'column1 String, column2 UInt32') VALUES ('http interface', 42);
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SELECT * FROM test_table;
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```
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[Original article](https://clickhouse.tech/docs/en/sql-reference/table-functions/url/) <!--hide-->
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