decr(key, amount = 1) — MemCache

decr(key, amount = 1)

Decrements the value for key by amount and returns the new value. key must already exist. If key is not an integer, it is assumed to be

key can not be decremented below 0.

Parameters

key req
amount opt = 1

Source

# File activesupport/lib/active_support/vendor/memcache-client-1.5.1/memcache.rb, line 214
  def decr(key, amount = 1)
    server, cache_key = request_setup key

    if @multithread then
      threadsafe_cache_decr server, cache_key, amount
    else
      cache_decr server, cache_key, amount
    end
  rescue TypeError, SocketError, SystemCallError, IOError => err
    handle_error server, err
  end

Defined in activesupport/lib/active_support/vendor/memcache-client-1.5.1/memcache.rb line 214 · View on GitHub · Improve this page · Find usages on GitHub

Defined in MemCache

Signature

Parameters