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PERF: stop adding more topics to search when not needed

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The logic of adding additional search results does not seem to be
needed anymore.

It appears to be a relic of an old implementation.

This saves an entire search query for every search made.
This commit is contained in:
Sam Saffron 2020-06-25 12:30:51 +10:00
parent 42a6c8a85f
commit 3cb41d5429
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1 changed files with 0 additions and 24 deletions
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lib/search.rb
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@ -21,12 +21,6 @@ class Search
50
end
# Sometimes we want more topics than are returned due to exclusion of dupes. This is the
# factor of extra results we'll ask for.
def self.burst_factor
3
end
def self.facets
%w(topic category user private_messages tags all_topics)
end
@ -710,30 +704,12 @@ class Search
topic_search
end
add_more_topics_if_expected
@results
rescue ActiveRecord::StatementInvalid
# In the event of a PG:Error return nothing, it is likely they used a foreign language whose
# locale is not supported by postgres
end
# Add more topics if we expected them
def add_more_topics_if_expected
expected_topics = 0
expected_topics = Search.facets.size unless @results.type_filter.present?
expected_topics = Search.per_facet * Search.facets.size if @results.type_filter == 'topic'
expected_topics -= @results.posts.length
if expected_topics > 0
extra_posts = posts_query(expected_topics * Search.burst_factor)
extra_posts = extra_posts.where("posts.topic_id NOT in (?)", @results.posts.map(&:topic_id)) if @results.posts.present?
extra_posts.each do |post|
@results.add(post)
expected_topics -= 1
break if expected_topics == 0
end
end
end
# If we're searching for a single topic
def single_topic(id)
if @opts[:restrict_to_archetype].present?