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 7

def self.vertica_connection(config) # :nodoc:
  unless defined? Vertica
    begin
      require 'vertica'
    rescue LoadError
      raise "!!! Missing the vertica gem. Add it to your Gemfile: gem 'vertica'"
    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]

  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, "No database specified. Missing argument: schema."
  end
  conn = Vertica.connect({ :user => username, :password => password, :host => host, :port => port, :database => database , :schema => schema})
  ConnectionAdapters::Vertica.new(conn)
end