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optimize fix for last_commented_at

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This commit is contained in:
r888888888
2014-01-03 17:08:00 -08:00
parent d22830f55c
commit 1a70b9fb97
1 changed files with 5 additions and 1 deletions
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6
script/fixes/025_last_commented_at.rb
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@@ -3,7 +3,11 @@
require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
ActiveRecord::Base.connection.execute("set statement_timeout = 0")
ActiveRecord::Base.connection.execute("update posts set last_commented_at = (select max(c.created_at) from comments c where c.post_id = posts.id)")
0.upto(1585206 / 1000) do |i|
puts "updating posts #{i * 1000} to #{(i+1) * 1000}"
ActiveRecord::Base.connection.execute("update posts set last_commented_at = (select c.created_at from comments c where c.post_id = posts.id order by c.id desc limit 1) where posts.id between #{i * 1000} and #{(i+1) * 1000}")
end
TagImplication.find_each do |ti|
ta = TagAlias.where("antecedent_name = ? AND status != ?", ti.antecedent_name, "pending").first
if ta