3g0st
/
mastodon-docker-playground
forked from treehouse/mastodon
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add `account_id DESC` to optimize PrecomputeFeedService (#2967)

signup-info-prompt
alpaca-tc 2017-05-11 03:33:32 +09:00 committed by Eugen Rochko
parent 57a3d71c90
commit c3ef5d5414
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
app/services/precompute_feed_service.rb
View File

@ -6,7 +6,8 @@ class PrecomputeFeedService < BaseService
# @param [Account] account
def call(_, account)
redis.pipelined do
Status.as_home_timeline(account).limit(FeedManager::MAX_ITEMS / 4).each do |status|
# NOTE: Added `id desc, account_id desc` to `ORDER BY` section to optimize query.
Status.as_home_timeline(account).order(account_id: :desc).limit(FeedManager::MAX_ITEMS / 4).each do |status|
next if status.direct_visibility? || FeedManager.instance.filter?(:home, status, account.id)
redis.zadd(FeedManager.instance.key(:home, account.id), status.id, status.reblog? ? status.reblog_of_id : status.id)
end