As for the last part, check out DBIx::Class::ResultSet::HashRef. You use it as a parent class and then you get a handful of methods like hashref_rs which you can use as the end point of a chain.

For a similar but heavier (object inflation is more to much more expensive depending on your columns and inflation types) solution you can also rewrite this–

my $hash_ref = $o->as_hashref; # does this exist?

–as–

my $hash_ref = { $o->get_columns };

In reply to Re^3: data historization with DBIx::Class by Your Mother
in thread data historization with DBIx::Class by morgon

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