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PERF: Use pluck instead of enmurating through all the records.

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This commit is contained in:
Guo Xiang Tan 2017-09-07 17:22:39 +08:00
parent dd27c0c80e
commit 3e123b1a39
1 changed files with 2 additions and 2 deletions
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4
lib/topic_view.rb
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@ -68,11 +68,11 @@ class TopicView
if @posts if @posts
if (added_fields = User.whitelisted_user_custom_fields(@guardian)).present? if (added_fields = User.whitelisted_user_custom_fields(@guardian)).present?
@user_custom_fields = User.custom_fields_for_ids(@posts.map(&:user_id), added_fields) @user_custom_fields = User.custom_fields_for_ids(@posts.pluck(:user_id), added_fields)
end end
if (whitelisted_fields = TopicView.whitelisted_post_custom_fields(@user)).present? if (whitelisted_fields = TopicView.whitelisted_post_custom_fields(@user)).present?
@post_custom_fields = Post.custom_fields_for_ids(@posts.map(&:id), whitelisted_fields) @post_custom_fields = Post.custom_fields_for_ids(@posts.pluck(:id), whitelisted_fields)
end end
end end