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PERF: improve offset discovery query
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@ -131,10 +131,14 @@ class Search
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def self.min_post_id_no_cache
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return 0 unless SiteSetting.search_prefer_recent_posts?
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offset = Post.unscoped.count - SiteSetting.search_recent_posts_size
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return 0 if offset <= 0
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Post.unscoped.order(:id).offset(offset).limit(1).pluck(:id)[0]
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offset, has_more = Post.unscoped
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.order('id desc')
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.offset(SiteSetting.search_recent_posts_size-1)
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.limit(2)
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.pluck(:id)
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has_more ? offset : 0
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end
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def self.min_post_id(opts=nil)
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