How do I optimize this rails scope to get the correct results?

Ruby
1

Hi,

I would like to show my 5 most active tags. (most used)

I did the following but I have a feeling the results are not correct.

#tag.rb

class Tag < ApplicationRecord

has_many :taggings,  :dependent => :delete_all
has_many :posts, through: :taggings

scope :top5, ->  {
		self.select("tags.id, tags.name, count(taggings.id) as count").joins(:taggings).group("tags.id").limit(5).order('count DESC')
	}

Does this seem correct? I am using pg. Thanks

2

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