Module: Clickhouse::Connection::Client

Included in:
Clickhouse::Connection
Defined in:
lib/clickhouse/connection/client.rb

Instance Method Summary collapse

Instance Method Details

#connect! ⇒ Object 



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# File 'lib/clickhouse/connection/client.rb', line 5

def connect!
  ping! unless connected?
end

#connected? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/clickhouse/connection/client.rb', line 20

def connected?
  instance_variables.include?(:@client) && !!@client
end

#get(query) ⇒ Object 



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# File 'lib/clickhouse/connection/client.rb', line 24

def get(query)
  request(:get, query)
end

#ping! ⇒ Object 



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# File 'lib/clickhouse/connection/client.rb', line 9

def ping!
  ensure_authentication
  status = client.get("/").status
  if status != 200
    raise ConnectionError, "Unexpected response status: #{status}"
  end
  true
rescue Faraday::Error => e
  raise ConnectionError, e.message
end

#post(query, body = nil) ⇒ Object 



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# File 'lib/clickhouse/connection/client.rb', line 28

def post(query, body = nil)
  request(:post, query, body)
end

#url ⇒ Object 



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# File 'lib/clickhouse/connection/client.rb', line 32

def url
  "#{@config[:scheme]}://#{@config[:host]}:#{@config[:port]}"
end