method

checkout_for_exclusive_access

v5.0.0.1 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::ConnectionPool

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What's this?

checkout_for_exclusive_access(checkout_timeout) private

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# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 657
      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

checkout_for_exclusive_access

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