method
checkout_for_exclusive_access
v6.0.0 -
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Class: ActiveRecord::ConnectionAdapters::ConnectionPool
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checkout_for_exclusive_access(checkout_timeout)
private
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# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 796 def checkout_for_exclusive_access(checkout_timeout) checkout(checkout_timeout) rescue ConnectionTimeoutError # this block can't be easily moved into attempt_to_checkout_all_existing_connections's # rescue block, because doing so would put it outside of synchronize section, without # being in a critical section thread_report might become inaccurate msg = +"could not obtain ownership of all database connections in #{checkout_timeout} seconds" thread_report = [] @connections.each do |conn| unless conn.owner == Thread.current thread_report << "#{conn} is owned by #{conn.owner}" end end msg << " (#{thread_report.join(', ')})" if thread_report.any? raise ExclusiveConnectionTimeoutError, msg end