47 lines
1.6 KiB
Ruby
47 lines
1.6 KiB
Ruby
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# Inspired by https://github.com/peek/peek-pg/blob/master/lib/peek/views/pg.rb
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# PEEK_DB_CLIENT is a constant set in config/initializers/peek.rb
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module Gitlab
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module PerformanceBar
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module PeekQueryTracker
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def sorted_queries
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PEEK_DB_CLIENT.query_details
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.sort { |a, b| b[:duration] <=> a[:duration] }
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end
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def results
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super.merge(queries: sorted_queries)
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end
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private
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def setup_subscribers
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super
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# Reset each counter when a new request starts
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before_request do
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PEEK_DB_CLIENT.query_details = []
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end
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subscribe('sql.active_record') do |_, start, finish, _, data|
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if RequestStore.active? && RequestStore.store[:peek_enabled]
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# data[:cached] is only available starting from Rails 5.1.0
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# https://github.com/rails/rails/blob/v5.1.0/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb#L113
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# Before that, data[:name] was set to 'CACHE'
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# https://github.com/rails/rails/blob/v4.2.9/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb#L80
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unless data.fetch(:cached, data[:name] == 'CACHE')
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track_query(data[:sql].strip, data[:binds], start, finish)
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end
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end
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end
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end
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def track_query(raw_query, bindings, start, finish)
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query = Gitlab::Sherlock::Query.new(raw_query, start, finish)
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query_info = { duration: query.duration.round(3), sql: query.formatted_query }
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PEEK_DB_CLIENT.query_details << query_info
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end
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end
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end
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end
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