Data in DB in Ruby on Rails

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My friend asked this question I am not sure why it is on my StackOverflow profile.

Spyros · Accepted Answer · 2012-03-20 00:04:24Z

1

Rails supports a technique called counter cache, where you can store the number of messages, comments or anything you want, without executing redundant commands.

There is a railscast that describes it very nicely :

http://railscasts.com/episodes/23-counter-cache-column

If you, however, need to stick to a cron based task, it would be very easy to store the count yourself in a statistics model like :

Statistic.new
Statistic.total_users = User.count 
Statistic.total_comments = Comment.count 
Statistic.save

answered Mar 20, 2012 at 0:04

Spyros

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Spyros Over a year ago

you can write a simple rails task to do it for you(more on it railscasts.com/episodes/66-custom-rake-tasks). It would be an entry to the Statistic model, yes. But the code to be executed would be in the Rake Task.

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