ClickHouse.Interface.stream

You're seeing just the callback stream, go back to ClickHouse.Interface module for more information.
Link to this callback

stream(client, query, opts)

View Source

Specs

stream(
  client :: ClickHouse.Client.t(),
  query :: ClickHouse.Query.t(),
  opts :: keyword()
) :: {:ok, ClickHouse.Stream.t()} | {:error, ClickHouse.error()}

A callback to start a query result stream with the network interface.