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Avoid allocating an extra array.

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This commit is contained in:
Guo Xiang Tan 2017-09-08 13:10:37 +08:00
parent 0f2a303f00
commit 2db47f98cd
1 changed files with 3 additions and 1 deletions
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4
lib/suggested_topics_builder.rb
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@ -24,7 +24,9 @@ class SuggestedTopicsBuilder
if @category_id && SiteSetting.limit_suggested_to_category?
results = results.where(category_id: @category_id)
end
results = results.to_a.reject { |topic| @category_topic_ids.include?(topic.id) }
results = results.to_a
results.reject! { |topic| @category_topic_ids.include?(topic.id) }
unless results.empty?
# Keep track of the ids we've added