ELY5.txt

# As amply documented at:
#
# https://github.com/dbsrgits/dbix-class/blob/dc7d89911/lib/DBIx/Class/MethodAttributes.pm#L242-L298
# https://github.com/dbsrgits/dbix-class/blob/dc7d89911/lib/DBIx/Class/ResultSourceProxy.pm#L137-L143
# https://github.com/dbsrgits/dbix-class/blob/dc7d89911/lib/DBIx/Class/ResultSourceProxy.pm#L191-L262
#


perl -e '
  {
    package HowHardCanItBe::Result;

    use Carp;

    use base "DBIx::Class::Core";

    # people do this all over the place
    sub add_columns {
      carp( "add_columns override invoked" ); # you will see this due to the call further down, but no whining about attrs
      shift->next::method(@_);
    }

    # people do this *too*:
    # https://metacpan.org/source/VANSTYN/RapidApp-1.3001/lib/RapidApp/DBIC/Component/VirtualColumns.pm#L332-360
    # https://metacpan.org/source/VANSTYN/RapidApp-1.3001/lib/RapidApp/DBIC/Component/VirtualColumnsExt.pm#L75-80
    sub columns {
      carp( "columns override invoked" );   # you will never see this: neither on old DBIC nor on new
      shift->next::method(@_);
    }

    __PACKAGE__->table("how");

    # we call it, yet no warning
    __PACKAGE__->add_columns("hard");
  }

  {
    package HowHardCanItBe::Schema;

    use base "DBIx::Class::Schema";

    __PACKAGE__->register_class( "How" => "HowHardCanItBe::Result" );
  }

  my $rs = HowHardCanItBe::Schema->connect( sub {} )->resultset("How");

  $rs->result_source->columns;
'





# Before ( 0.082840 and earlier ):
add_columns override invoked at -e line 13.
  HowHardCanItBe::Result::add_columns("HowHardCanItBe::Result", "hard") called at -e line 25




# After ( master ): 
add_columns override invoked at -e line 13.
  HowHardCanItBe::Result::add_columns("HowHardCanItBe::Result", "hard") called at -e line 25

The override method HowHardCanItBe::Result::columns() has been bypassed at -e line 38
In order to silence this warning you must tag the definition of HowHardCanItBe::Result::columns() with one of the attributes ':DBIC_method_is_bypassable_resultsource_proxy' or ':DBIC_method_is_mandatory_resultsource_proxy' ( see https://is.gd/dbic_rsrcproxy_methodattr for more info )