clickhouse.query() function
clickhouse.query() is a user-contributed function maintained by
the package author.
clickhouse.query() queries data from ClickHouse using specified parameters.
Function type signature
(
query: string,
?cors: string,
?format: string,
?limit: A,
?max_bytes: B,
?url: string,
) => stream[C] where A: Stringable, B: Stringable, C: Record
For more information, see Function type signatures.
Parameters
url
ClickHouse HTTP API URL. Default is http://127.0.0.1:8123.
query
(Required) ClickHouse query to execute.
limit
Query rows limit. Defaults is 100.
cors
Request remote CORS headers. Defaults is 1.
max_bytes
Query bytes limit. Default is 10000000.
format
Query format. Default is CSVWithNames.
For information about available formats, see ClickHouse formats.
Examples
Query ClickHouse
import "contrib/qxip/clickhouse"
option clickhouse.defaultURL = "https://play@play.clickhouse.com"
clickhouse.query(query: "SELECT version()")
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