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the begginning
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david hill
120
writeengine/server/we_ddlcommandproc.h
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120
writeengine/server/we_ddlcommandproc.h
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/* 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: we_ddlcommandproc.h 3043 2011-08-29 22:03:03Z chao $
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*
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*******************************************************************************/
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#ifndef WE_DDLCOMMANDPROC_H__
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#define WE_DDLCOMMANDPROC_H__
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#include <unistd.h>
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#include "bytestream.h"
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#include "we_messages.h"
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#include "dbrm.h"
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#include "we_message_handlers.h"
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#include "liboamcpp.h"
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#include <boost/date_time/gregorian/gregorian.hpp>
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#include "dataconvert.h"
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#include "writeengine.h"
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#if defined(_MSC_VER) && defined(xxxDDLPKGPROC_DLLEXPORT)
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#define EXPORT __declspec(dllexport)
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#else
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#define EXPORT
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#endif
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namespace WriteEngine
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{
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class WE_DDLCommandProc
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{
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public:
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enum LogFileType { DROPTABLE_LOG, DROPPART_LOG, TRUNCATE_LOG};
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EXPORT WE_DDLCommandProc();
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EXPORT WE_DDLCommandProc(const WE_DDLCommandProc& rhs);
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EXPORT ~WE_DDLCommandProc();
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/** @brief Update SYSCOLUMN nextval column for the columnoid with nextVal.
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*
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* Update SYSCOLUMN nextval column for the columnoid with nexValue.
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* @param columnOid (in) The column OID
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* @param nextVal (in) The partition number
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* @return 0 on success, non-0 on error.
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*/
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EXPORT uint8_t updateSyscolumnNextval(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t writeSystable(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t writeSyscolumn(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t writeCreateSyscolumn(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t createtablefiles(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t commitVersion(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t rollbackBlocks(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t rollbackVersion(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t deleteSyscolumn(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t deleteSyscolumnRow(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t deleteSystable(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t deleteSystables(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t dropFiles(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSyscolumnAuto(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSyscolumnNextvalCol(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSyscolumnTablename(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSystableAuto(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSystableTablename(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSystablesTablename(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSyscolumnColumnposCol(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t fillNewColumn(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSyscolumnRenameColumn(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t updateSyscolumnSetDefault(messageqcpp::ByteStream& bs, std::string & err);
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// EXPORT uint8_t updateSyscolumn(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t writeTruncateLog(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t writeDropPartitionLog(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t writeDropTableLog(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t deleteDDLLog(messageqcpp::ByteStream& bs, std::string & err);
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EXPORT uint8_t fetchDDLLog(messageqcpp::ByteStream& bs, std::string & err);
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void purgeFDCache();
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/** @brief drop a set of partitions
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*
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* Do many VSS lookups under one lock.
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* @param bs (in) bytestream carry command info
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* @param err (out) error message when error occurs
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* @return 0 on success, otherwise error.
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*/
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EXPORT uint8_t dropPartitions(messageqcpp::ByteStream& bs, std::string& err);
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inline void convertRidToColumn (uint64_t& rid, uint16_t& dbRoot, uint32_t& partition, uint16_t& segment, const int32_t oid )
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{
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fDbrm.getSysCatDBRoot(oid, dbRoot);
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partition = rid / ( filesPerColumnPartition * extentsPerSegmentFile * extentRows );
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segment =( ( ( rid % ( filesPerColumnPartition * extentsPerSegmentFile * extentRows )) / extentRows ) ) % filesPerColumnPartition;
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//Calculate the relative rid for this segment file
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uint64_t relRidInPartition = rid - ((uint64_t)partition * (uint64_t)filesPerColumnPartition * (uint64_t)extentsPerSegmentFile * (uint64_t)extentRows);
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assert ( relRidInPartition <= (uint64_t)filesPerColumnPartition * (uint64_t)extentsPerSegmentFile * (uint64_t)extentRows );
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uint32_t numExtentsInThisPart = relRidInPartition / extentRows;
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unsigned numExtentsInThisSegPart = numExtentsInThisPart / filesPerColumnPartition;
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uint64_t relRidInThisExtent = relRidInPartition - numExtentsInThisPart * extentRows;
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rid = relRidInThisExtent + numExtentsInThisSegPart * extentRows;
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}
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private:
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WriteEngineWrapper fWEWrapper;
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BRM::DBRM fDbrm;
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unsigned extentsPerSegmentFile, extentRows, filesPerColumnPartition, dbrootCnt;
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};
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}
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#undef EXPORT
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#endif
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