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remove expensive join in migration

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This commit is contained in:
r888888888
2014-01-03 16:33:58 -08:00
parent e814b7a6bf
commit 08b245a7bd
1 changed files with 3 additions and 3 deletions
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6
db/migrate/20131225002748_add_last_comment_bumped_at_to_posts.rb
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@@ -7,9 +7,9 @@ class AddLastCommentBumpedAtToPosts < ActiveRecord::Migration
add_column :posts, :last_commented_at, :datetime add_column :posts, :last_commented_at, :datetime
Post.joins(:comments).uniq.find_each do |post| # Post.joins(:comments).uniq.find_each do |post|
post.update_column(:last_commented_at, post.comments.last.created_at) # post.update_column(:last_commented_at, post.comments.last.created_at)
end # end
add_column :comments, :do_not_bump_post, :boolean, :null => false, :default => false add_column :comments, :do_not_bump_post, :boolean, :null => false, :default => false
end end