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19 lines
880 B
Markdown
19 lines
880 B
Markdown
<a name="table_functions-file"></a>
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# file
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`file(path, format, structure)` - возвращает таблицу со столбцами, указанными в structure, созданную из файла path типа format.
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path - относительный путь до файла от [user_files_path](../../operations/server_settings/settings.md#user_files_path).
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format - [формат](../../interfaces/formats.md#formats) файла.
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structure - структура таблицы в форме 'UserID UInt64, URL String'. Определяет имена и типы столбцов.
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**Пример**
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```sql
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-- получение первых 10 строк таблицы, состоящей из трёх колонок типа UInt32 из CSV файла
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SELECT * FROM file('test.csv', 'CSV', 'column1 UInt32, column2 UInt32, column3 UInt32') LIMIT 10
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```
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