class Cassie::Query

A concrete implementation of a functional base class used to make CQL SELECT queries. Inherit from this class to create application query classes.

See the {file:lib/cassie/statements/README.md} for information on usage and examples.

@example Selecting a record from a Table

class UsersByUsernameQuery < Cassie::Query

  select_from :users_by_username

  where :username, :eq

  def build_result(row)
    User.new(row)
  end
end

user = UsersByUsernameQuery.new(username: 'eprothro').fetch_first
#=> #<User:0x007fedec219cd8 @id=123, @username="eprothro">