Translates a query block into a dataset. Query blocks are an alternative to Sequel's usual method chaining, by using instance_exec with a proxy object:
dataset = DB[:items].query do select :x, :y, :z where{(x > 1) & (y > 2)} reverse :z end
Which is the same as:
dataset = DB[:items].select(:x, :y, :z).where{(x > 1) & (y > 2)}.reverse(:z)
# File lib/sequel/extensions/query.rb, line 53 def query(&block) query = Dataset::Query.new(self) query.instance_exec(&block) query.dataset end