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Core/Database: Apply 54b0b8f5ea to 141ada19b0
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@@ -122,17 +122,24 @@ bool TransactionWithResultTask::Execute()
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if (errorCode == ER_LOCK_DEADLOCK)
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{
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std::ostringstream threadIdStream;
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threadIdStream << std::this_thread::get_id();
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std::string threadId = threadIdStream.str();
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// Make sure only 1 async thread retries a transaction so they don't keep dead-locking each other
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std::lock_guard<std::mutex> lock(_deadlockLock);
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uint8 loopBreaker = 5; // Handle MySQL Errno 1213 without extending deadlock to the core itself
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for (uint8 i = 0; i < loopBreaker; ++i)
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for (uint32 loopDuration = 0, startMSTime = getMSTime(); loopDuration <= DEADLOCK_MAX_RETRY_TIME_MS; loopDuration = GetMSTimeDiffToNow(startMSTime))
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{
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if (!TryExecute())
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{
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m_result.set_value(true);
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return true;
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}
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TC_LOG_WARN("sql.sql", "Deadlocked SQL Transaction, retrying. Loop timer: %u ms, Thread Id: %s", loopDuration, threadId.c_str());
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}
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TC_LOG_ERROR("sql.sql", "Fatal deadlocked SQL Transaction, it will not be retried anymore. Thread Id: %s", threadId.c_str());
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}
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// Clean up now.
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