build_insert_sql

# File activerecord/lib/active_record/connection_adapters/abstract_adapter.rb, line 905
      def build_insert_sql(insert) # :nodoc:
        if insert.skip_duplicates? || insert.update_duplicates?
          raise NotImplementedError, "#{self.class} should define `build_insert_sql` to implement adapter-specific logic for handling duplicates during INSERT"
        end

        "INSERT #{insert.into} #{insert.values_list}"
      end