module ActiveRecord::CounterCache::ClassMethods

def increment_counter(counter_name, id)

DiscussionBoard.increment_counter(:post_count, 5)
# Increment the post_count column for the record with an id of 5

==== Examples

* +id+ - The id of the object that should be incremented or an Array of ids.
* +counter_name+ - The name of the field that should be incremented.

==== Parameters

number of posts and comments there are, each time it is displayed.
posts_count and comments_count to avoid running an SQL query to calculate the
used to store aggregate values. For example, a DiscussionBoard may cache
This method is used primarily for maintaining counter_cache columns that are

Increment a numeric field by one, via a direct SQL update. 
def increment_counter(counter_name, id)
  update_counters(id, counter_name => 1)
end