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我們在數據庫清理器的測試套件中隨機出現以下錯誤。我們使用的數據庫清理結合下面的兩段代碼,我認爲是相關的:Mysql2 ::錯誤:此連接正在使用中
錯誤:
Mysql2::Error: This connection is in use by: #<Thread:0x00000017bbf2f8 sleep>: TRUNCATE TABLE `cr_contacts`;
共享DB連接(可能的原因)
class ActiveRecord::Base
mattr_accessor :shared_connection
@@shared_connection = nil
def self.connection
@@shared_connection || retrieve_connection
end
end
# Forces all threads to share the same connection. This works on
# Capybara because it starts the web server in a thread.
ActiveRecord::Base.shared_connection = ActiveRecord::Base.connection