lib/active_record/connection_adapters/ovirt_legacy_postgresql_adapter.rb
def ovirt_legacy_postgresql_connection(config)
      conn_params = config.symbolize_keys

      conn_params.delete_if { |_, v| v.nil? }

      # Map ActiveRecords param names to PGs.
      conn_params[:user] = conn_params.delete(:username) if conn_params[:username]
      conn_params[:dbname] = conn_params.delete(:database) if conn_params[:database]

      # Forward only valid config params to PGconn.connect.
      valid_conn_param_keys = PGconn.conndefaults_hash.keys + [:requiressl]
      conn_params.slice!(*valid_conn_param_keys)

      # The postgres drivers don't allow the creation of an unconnected PGconn object,
      # so just pass a nil connection object for the time being.
      ConnectionAdapters::OvirtLegacyPostgreSQLAdapter.new(nil, logger, conn_params, config)
    end
def ovirt_legacy_postgresql_connection(config)
      conn_params = config.symbolize_keys

      conn_params.delete_if { |_, v| v.nil? }

      # Map ActiveRecords param names to PGs.
      conn_params[:user] = conn_params.delete(:username) if conn_params[:username]
      conn_params[:dbname] = conn_params.delete(:database) if conn_params[:database]

      # Forward only valid config params to PGconn.connect.
      valid_conn_param_keys = PGconn.conndefaults_hash.keys + [:requiressl]
      conn_params.slice!(*valid_conn_param_keys)

      # The postgres drivers don't allow the creation of an unconnected PGconn object,
      # so just pass a nil connection object for the time being.
      ConnectionAdapters::OvirtLegacyPostgreSQLAdapter.new(nil, logger, conn_params, config)
    end
:nodoc:
 Establishes a connection to the database that's used by all Active Record objects