sequel_column_rename.rb

## Command line to apply Migration
#sequel -m ./db/migrate/ -M 4 sqlite://db/blog.db
 
## Command to roll back
#sequel -m ./db/migrate/ -M 3 sqlite://db/blog.db
 
Class.new(Sequel::Migration) do
   def up
      DB.alter_table :aTable do
         rename_column :old, :new
      end
   end
 
   def down
      DB.alter_table :aTable do
         rename_column :new, :old
      end
   end
end