Method: Abtab::Driver::DbiDriver#initialize

Defined in:
lib/abtab/drivers/dbi_driver.rb

#initialize(url) ⇒ DbiDriver

Returns a new instance of DbiDriver.



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# File 'lib/abtab/drivers/dbi_driver.rb', line 29

def initialize url
  @options = {
    :dbi_driver => nil,
    :host       => nil,
    :user       => nil,
    :pass       => nil,
    :database   => nil,
    :table      => nil,
  }

  @rc_defaults = {}
  if File.exist? CREDENTIALS_RC_FILE
    @rc_defaults.merge!(YAML.load_file(CREDENTIALS_RC_FILE))
  end

  @url = url
  schema, rest = url.split '://', 2

  # expect 'driver' name, eg: pg
  driver, host, database_name, table = rest.split '/', 4

  if driver =~ /@/
    user_pass, driver = driver.split '@', 2
    user, pass = nil, nil
    if user_pass =~ /:/
      user, pass = user_pass.split ':', 2
      @options[:user] = user
      @options[:pass] = pass
    end
    @options[:dbi_driver] = driver
  end

  @options[:dbi_driver] = driver
  @options[:database]   = database_name
  @options[:host]       = host
  @options[:table]      = table

  @options[:user] ||= lookup_rc_default @options[:host], @options[:database], "user"
  @options[:pass] ||= lookup_rc_default @options[:host], @options[:database], "pass"

  #puts "OPTIONS: #{@options.inspect}"

  require DB_MODULES[@options[:dbi_driver]][:require]
  driver_name = DB_MODULES[@options[:dbi_driver]][:name]

  @conn = DBI.connect("DBI:#{driver_name}:database=#{@options[:database]};host=#{@options[:host]}",@options[:user],@options[:pass]);

end