Module: Presto::Client

Defined in:
lib/presto/client/query.rb,
lib/presto/client.rb,
lib/presto/client/client.rb,
lib/presto/client/errors.rb,
lib/presto/client/models.rb,
lib/presto/client/version.rb,
lib/presto/client/faraday_client.rb,
lib/presto/client/statement_client.rb

Overview

Presto client for Ruby

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Defined Under Namespace

Modules: ModelVersions, PrestoHeaders Classes: Client, PrestoClientError, PrestoError, PrestoHttpError, PrestoQueryError, PrestoQueryTimeoutError, Query, StatementClient

Constant Summary collapse

Models = 
ModelVersions::V316
VERSION = 
"0.6.6"
HEADERS = 
{
  "User-Agent" => "presto-ruby/#{VERSION}",
}
HTTP11_SEPARATOR = 
["(", ")", "<", ">", "@", ",", ";", ":", "\\", "<", ">", "/", "[", "]", "?", "=", "{", "}", " ", "\v"]
HTTP11_TOKEN_CHARSET = 
(32..126).map {|x| x.chr } - HTTP11_SEPARATOR
HTTP11_TOKEN_REGEXP = 
/^[#{Regexp.escape(HTTP11_TOKEN_CHARSET.join)}]+\z/
HTTP11_CTL_CHARSET = 
(0..31).map {|x| x.chr } + [127.chr]
HTTP11_CTL_CHARSET_REGEXP = 
/[#{Regexp.escape(HTTP11_CTL_CHARSET.join)}]/

Class Method Summary collapse

Class Method Details

.faraday_client(options) ⇒ Object 



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# File 'lib/presto/client/faraday_client.rb', line 41

def self.faraday_client(options)
  server = options[:server]
  unless server
    raise ArgumentError, ":server option is required"
  end

  ssl = faraday_ssl_options(options)

  if options[:password] && !ssl
    raise ArgumentError, "Protocol must be https when passing a password"
  end

  url = "#{ssl ? "https" : "http"}://#{server}"
  proxy = options[:http_proxy] || options[:proxy]  # :proxy is obsoleted

  faraday_options = {url: url, proxy: "#{proxy}"}
  faraday_options[:ssl] = ssl if ssl

  faraday = Faraday.new(faraday_options) do |faraday|
    if options[:user] && options[:password]
      faraday.basic_auth(options[:user], options[:password])
    end
    if options[:follow_redirect]
      faraday.use FaradayMiddleware::FollowRedirects
    end
    if options[:gzip]
      faraday.use FaradayMiddleware::Gzip
    end
    faraday.response :logger if options[:http_debug]
    faraday.adapter Faraday.default_adapter
  end

  faraday.headers.merge!(HEADERS)
  faraday.headers.merge!(optional_headers(options))

  return faraday
end

.new(*args) ⇒ Object 



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# File 'lib/presto/client/client.rb', line 75

def self.new(*args)
  Client.new(*args)
end