# Pastebin zbIa4F2t
$ perl6 -MRed -e '
model Bla {
   has UInt $.id is id;
   has Str  $.bla is column{ :nullable };
}
my $*RED-DB = database "SQLite"; Bla.^create-table;
for (|<a b c>, Nil).roll(10) { Bla.^create: :bla($_) }

.say for Bla.^all

'
Bla.new(id => 1, bla => "c")
Bla.new(id => 2, bla => Any)
Bla.new(id => 3, bla => "c")
Bla.new(id => 4, bla => "a")
Bla.new(id => 5, bla => "c")
Bla.new(id => 6, bla => Any)
Bla.new(id => 7, bla => "c")
Bla.new(id => 8, bla => Any)
Bla.new(id => 9, bla => "c")
Bla.new(id => 10, bla => Any)