url¶
url(URL, format, structure)
- returns a table created from the URL
with given
format
and structure
.
URL - HTTP or HTTPS server address, which can accept GET
and/or POST
requests.
format - format of the data.
structure - table structure in 'UserID UInt64, Name String'
format. Determines column names and types.
Example
-- 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