class ActiveRecord::StatementCache::PartialQueryCollector

def <<(str)
  @parts << str
  self
end

def add_bind(obj)
  @binds << obj
  @parts << Substitute.new
  self
end

def add_binds(binds, proc_for_binds = nil)
  @binds.concat proc_for_binds ? binds.map(&proc_for_binds) : binds
  binds.size.times do |i|
    @parts << ", " unless i == 0
    @parts << Substitute.new
  end
  self
end

def initialize
  @parts = []
  @binds = []
end

def value
  [@parts, @binds]
end