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authorStormBytePP <stormbyte@gmail.com>2015-08-19 19:02:10 +0200
committerStormBytePP <stormbyte@gmail.com>2015-08-21 17:52:42 +0200
commit1d2aafd39bcb79a67357d198ce9b2345642fdd39 (patch)
treec32cf1c3717625c60da59c82ba5a4fca2530119a /src/server/shared/Database/Transaction.cpp
parent172293acee1607727ebd8070ab3e1390590d02a8 (diff)
Core/Build: Merge common library and move database out of shared
Diffstat (limited to 'src/server/shared/Database/Transaction.cpp')
-rw-r--r--src/server/shared/Database/Transaction.cpp87
1 files changed, 0 insertions, 87 deletions
diff --git a/src/server/shared/Database/Transaction.cpp b/src/server/shared/Database/Transaction.cpp
deleted file mode 100644
index f657411f716..00000000000
--- a/src/server/shared/Database/Transaction.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "DatabaseEnv.h"
-#include "Transaction.h"
-#include <mysqld_error.h>
-
-std::mutex TransactionTask::_deadlockLock;
-
-//- Append a raw ad-hoc query to the transaction
-void Transaction::Append(const char* sql)
-{
- SQLElementData data;
- data.type = SQL_ELEMENT_RAW;
- data.element.query = strdup(sql);
- m_queries.push_back(data);
-}
-
-//- Append a prepared statement to the transaction
-void Transaction::Append(PreparedStatement* stmt)
-{
- SQLElementData data;
- data.type = SQL_ELEMENT_PREPARED;
- data.element.stmt = stmt;
- m_queries.push_back(data);
-}
-
-void Transaction::Cleanup()
-{
- // This might be called by explicit calls to Cleanup or by the auto-destructor
- if (_cleanedUp)
- return;
-
- while (!m_queries.empty())
- {
- SQLElementData const &data = m_queries.front();
- switch (data.type)
- {
- case SQL_ELEMENT_PREPARED:
- delete data.element.stmt;
- break;
- case SQL_ELEMENT_RAW:
- free((void*)(data.element.query));
- break;
- }
-
- m_queries.pop_front();
- }
-
- _cleanedUp = true;
-}
-
-bool TransactionTask::Execute()
-{
- int errorCode = m_conn->ExecuteTransaction(m_trans);
- if (!errorCode)
- return true;
-
- if (errorCode == ER_LOCK_DEADLOCK)
- {
- // Make sure only 1 async thread retries a transaction so they don't keep dead-locking each other
- std::lock_guard<std::mutex> lock(_deadlockLock);
- uint8 loopBreaker = 5; // Handle MySQL Errno 1213 without extending deadlock to the core itself
- for (uint8 i = 0; i < loopBreaker; ++i)
- if (!m_conn->ExecuteTransaction(m_trans))
- return true;
- }
-
- // Clean up now.
- m_trans->Cleanup();
-
- return false;
-}