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PERF: only use fulltext when searching for a user (I checked, it's enough)

This commit is contained in:
Régis Hanol 2015-11-04 23:04:37 +01:00
parent abeac7f681
commit 7e255a151b
2 changed files with 11 additions and 13 deletions
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19
app/models/user_search.rb
View File

@ -39,8 +39,7 @@ class UserSearch
query = Search.ts_query(@term, "simple")
users = users.includes(:user_search_data)
.references(:user_search_data)
.where("username_lower LIKE :term_like OR user_search_data.search_data @@ #{query}",
term: @term, term_like: @term_like)
.where("user_search_data.search_data @@ #{query}")
.order(User.sql_fragment("CASE WHEN username_lower LIKE ? THEN 0 ELSE 1 END ASC", @term_like))
else
users = users.where("username_lower LIKE :term_like", term_like: @term_like)
@ -56,36 +55,35 @@ class UserSearch
# 1. exact username matches
if @term.present?
scoped_users.where(username_lower: @term.downcase)
.limit(@limit)
.pluck(:id)
.each{|id| users << id}
.each { |id| users << id }
end
return users.to_a if users.length == @limit
return users.to_a if users.length >= @limit
# 2. in topic
if @topic_id
filtered_by_term_users.where('users.id in (SELECT p.user_id FROM posts p WHERE topic_id = ?)', @topic_id)
filtered_by_term_users.where('users.id IN (SELECT p.user_id FROM posts p WHERE topic_id = ?)', @topic_id)
.order('last_seen_at DESC')
.limit(@limit - users.length)
.pluck(:id)
.each{|id| users << id}
.each { |id| users << id }
end
return users.to_a if users.length == @limit
return users.to_a if users.length >= @limit
# 3. global matches
filtered_by_term_users.order('last_seen_at DESC')
.limit(@limit - users.length)
.pluck(:id)
.each{|id| users << id}
.each { |id| users << id }
users.to_a
end
def search
ids = search_ids
return User.where("0=1") if ids.empty?
@ -93,7 +91,6 @@ class UserSearch
FROM unnest('{#{ids.join(",")}}'::int[])
) x on uid = users.id")
.order("rn")
end
end

5
lib/search.rb
View File

@ -382,11 +382,12 @@ class Search
return if SiteSetting.hide_user_profiles_from_public && !@guardian.user
users = User.includes(:user_search_data)
.where("active = true AND user_search_data.search_data @@ #{ts_query("simple")}")
.references(:user_search_data)
.where("active = TRUE")
.where("user_search_data.search_data @@ #{ts_query("simple")}")
.order("CASE WHEN username_lower = '#{@original_term.downcase}' THEN 0 ELSE 1 END")
.order("last_posted_at DESC")
.limit(@limit)
.references(:user_search_data)
users.each do |user|
@results.add(user)