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Fix slow distinct queries where grouped queries are faster (#15287)

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About 2x speed-up on inboxes query
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Eugen Rochko 2020-12-07 12:08:30 +01:00 • committed by GitHub
parent a8c471fcc0
commit 48bef17cc9
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4 changed files with 4 additions and 4 deletions
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app/models/account.rb
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@ -443,7 +443,7 @@ class Account < ApplicationRecord
end
def inboxes
urls = reorder(nil).where(protocol: :activitypub).pluck(Arel.sql("distinct coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url)"))
urls = reorder(nil).where(protocol: :activitypub).group(:preferred_inbox_url).pluck(Arel.sql("coalesce(nullif(accounts.shared_inbox_url, ''), accounts.inbox_url) AS preferred_inbox_url"))
DeliveryFailureTracker.without_unavailable(urls)
end