Class: ActiveRecord::Base

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

Class Method Summary collapse

Class Method Details

.vertica_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/vertica_adapter.rb', line 9

def self.vertica_connection(config)
  unless defined? Vertica
    begin
      require 'vertica'
    rescue LoadError
      raise "Vertica Gem not installed"
    end
  end

  config = config.symbolize_keys
  host = config[:host]
  port = config[:port] || 5433
  username = config[:username].to_s if config[:username]
  password = config[:password].to_s if config[:password]
  schema = config[:schema].to_s if config[:schema]

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

  # if config.has_key?(:schema)
  #   schema = config[:schema]
  # else
  #   raise ArgumentError, "Vertica Schema must be specified."
  # end

  conn = Vertica.connect({ :user => username, 
                           :password => password, 
                           :host => host, 
                           :port => port, 
                           :database => database, 
                           :schema => schema })

  options = [host, username, password, database, port,schema]

  ConnectionAdapters::VerticaAdapter.new(conn, options, config)
end