when i render model into as, it can't not to enable sorting for
virtual column, how should i do to enable it?\
for ex, if i got two model
model user
has_one :permit
end
model permit
belongs_to user
end
in migration:
users table :
t.string :name
t.timestamps
end
permits table:
t.integer :user_id
t.string :permit_name
end
and i got a controller for rendering permit
in permitcontroller
class Permitcontroller
active_scaffold :permit do |config|
config.columns << user_name
config.columns[ user_name ].sort_by :sql => "??????"
end
end
how can i fill in the "??????" in order to enable the sorting in ASC
or DESC ? or are there any method for me to do so ?
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