Method: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter#quote_string

Defined in:
lib/active_record/connection_adapters/postgresql_adapter.rb

#quote_string(s) ⇒ Object

Quotes strings for use in SQL input in the postgres driver for better performance.



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# File 'lib/active_record/connection_adapters/postgresql_adapter.rb', line 378

def quote_string(s) #:nodoc:
  if PGconn.respond_to?(:escape)
    self.class.instance_eval do
      define_method(:quote_string) do |s|
        PGconn.escape(s)
      end
    end
  else
    # There are some incorrectly compiled postgres drivers out there
    # that don't define PGconn.escape.
    self.class.instance_eval do
      remove_method(:quote_string)
    end
  end
  quote_string(s)
end