/usr/share/doc/ruby-mysql2/examples/eventmachine.rb is in ruby-mysql2 0.4.10-0ubuntu5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | # encoding: utf-8
require 'eventmachine'
require 'mysql2/em'
EM.run do
client1 = Mysql2::EM::Client.new
defer1 = client1.query "SELECT sleep(3) as first_query"
defer1.callback do |result|
puts "Result: #{result.to_a.inspect}"
end
client2 = Mysql2::EM::Client.new
defer2 = client2.query "SELECT sleep(1) second_query"
defer2.callback do |result|
puts "Result: #{result.to_a.inspect}"
end
end
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