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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: ddlprocessor.h 6 2006-06-23 17:58:51Z rcraighead $
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*
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*
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***********************************************************************/
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/** @file */
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#pragma once
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#include "ddlproc.h"
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#include "threadpool.h"
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#include "calpontsystemcatalog.h"
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#include "querytele.h"
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namespace ddlprocessor
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{
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/** @brief process ddl packages as they arrive
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*/
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class DDLProcessor
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{
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public:
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/** @brief ctor
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*
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* @param packageMaxThreads the maximum number of threads to process ddl packages
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* @param packageWorkQueueSize the maximum number of ddl packages in the work queue
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*/
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DDLProcessor(int packageMaxThreads, int packageWorkQueueSize);
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~DDLProcessor();
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/** @brief entry point for the DDLProcessor
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*/
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void process();
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int commitTransaction(uint32_t txnID, std::string& errorMsg);
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/** @brief get the ddl package thread pool size
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*/
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inline int getPackageThreadPoolSize() const
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{
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return fPackageMaxThreads;
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}
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/** @brief set the ddl package thread pool size
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*/
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inline void setPackageThreadPoolSize(int threadPoolSize)
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{
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fPackageMaxThreads = threadPoolSize;
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}
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/** @brief get the maximum number of ddl packages allowed in the work queue
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*/
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inline int getPackageWorkQueueSize() const
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{
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return fPackageWorkQueueSize;
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}
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/** @brief set the maximum number of ddl packages allowed in the work queue
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*/
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inline void setPackageWorkQueueSize(int workQueueSize)
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{
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fPackageWorkQueueSize = workQueueSize;
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}
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protected:
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private:
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/** @brief ctor
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*/
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DDLProcessor();
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/** @brief the thread pool for processing ddl packages
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*/
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threadpool::ThreadPool fDdlPackagepool;
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int fPackageMaxThreads; /** @brief max number of threads to process ddl packages */
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int fPackageWorkQueueSize; /** @brief max number of ddl packages waiting in the work queue */
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messageqcpp::MessageQueueServer fMqServer;
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boost::shared_ptr<execplan::CalpontSystemCatalog> csc;
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WriteEngine::WEClients* fWEClient;
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uint32_t fPMCount;
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querytele::QueryTeleClient fQtc;
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uint32_t debugLevel{0};
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};
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} // namespace ddlprocessor
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