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PERF: memoize to avoid N+1 query in category page

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Sam
2015-10-02 12:35:47 +10:00
parent 55c0f6a20c
commit 6246dd0aa2
1 changed files with 2 additions and 1 deletions
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3
app/models/category.rb
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@ -382,7 +382,8 @@ SQL
end end
def has_children? def has_children?
id && Category.where(parent_category_id: id).exists? @has_children ||= (id && Category.where(parent_category_id: id).exists?) ? :true : :false
@has_children == :true
end end
def uncategorized? def uncategorized?