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Rails Grape ActiveRecord::RuntimeRegistry.sql_runtime sql 运行时间 累加问题

yangxing_star · July 05, 2015 · Last by yangxing_star replied at July 06, 2015 · 1696 hits 
before do
  puts ActiveRecord::RuntimeRegistry.sql_runtime
end

after do
    db_runtime = ActiveRecord::RuntimeRegistry.sql_runtime
    Rails.logger.info("... ActiveRecord: #{db_runtime}ms")
end

db_runtime 时间总是上次执行的时间加上当前运行的时间，如何可以获取到当前一个请求的 db_runtime?

mimosa #1 July 06, 2015

ActiveRecord::LogSubscriber.reset_runtime

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