Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/connection_adapters/clickhouse_adapter.rb

Class Method Summary collapse

Class Method Details

.clickhouse_connection(config) ⇒ Object

Establishes a connection to the database that’s used by all Active Record objects



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# File 'lib/active_record/connection_adapters/clickhouse_adapter.rb', line 20

def clickhouse_connection(config)
  config = config.symbolize_keys

  if config[:connection]
    connection = {
      connection: config[:connection]
    }
  else
    port = config[:port] || 8123
    connection = {
      host: config[:host] || 'localhost',
      port: port,
      ssl: config[:ssl].present? ? config[:ssl] : port == 443,
      sslca: config[:sslca],
      read_timeout: config[:read_timeout],
      write_timeout: config[:write_timeout],
      keep_alive_timeout: config[:keep_alive_timeout]
    }
  end

  if config.key?(:database)
    database = config[:database]
  else
    raise ArgumentError, 'No database specified. Missing argument: database.'
  end

  ConnectionAdapters::ClickhouseAdapter.new(logger, connection, { user: config[:username], password: config[:password], database: database }.compact, config)
end