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494 lines
16 KiB
C++
494 lines
16 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: we_bulkload.h 4631 2013-05-02 15:21:09Z dcathey $
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*
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*******************************************************************************/
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/** @file */
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#ifndef _WE_BULKLOAD_H_
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#define _WE_BULKLOAD_H_
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#ifndef _MSC_VER
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#include <pthread.h>
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#endif
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#include <fstream>
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#include <string>
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#include <vector>
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#include <sys/time.h>
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#include <we_log.h>
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#include <we_colop.h>
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#include <we_xmljob.h>
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#include <we_convertor.h>
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#include <writeengine.h>
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#include <we_brm.h>
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#include "we_tableinfo.h"
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#include "brmtypes.h"
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#include "boost/ptr_container/ptr_vector.hpp"
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#include <boost/thread/thread.hpp>
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#include <boost/thread/mutex.hpp>
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#include <boost/bind.hpp>
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#include <boost/scoped_ptr.hpp>
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#include <boost/uuid/uuid.hpp>
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#if 0 //defined(_MSC_VER) && defined(WE_BULKLOAD_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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namespace WriteEngine
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{
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/** Class BulkLoad */
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class BulkLoad : public FileOp
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{
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public:
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/**
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* @brief BulkLoad onstructor
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*/
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EXPORT BulkLoad();
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/**
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* @brief BulkLoad destructor
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*/
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EXPORT ~BulkLoad();
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/**
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* @brief Load job information
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*/
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EXPORT int loadJobInfo( const std::string& fullFileName,
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bool bUseTempJobFile,
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const std::string& systemLang,
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int argc,
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char** argv,
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bool bLogInfo2ToConsole,
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bool bValidateColumnList );
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/**
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* @brief Pre process jobs to validate and assign values to the job structure
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*/
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int preProcess(Job& job, int tableNo, TableInfo* tableInfo);
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/**
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* @brief Print job information
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*/
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void printJob( );
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/**
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* @brief Process job
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*/
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EXPORT int processJob( );
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/**
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* @brief Set Debug level for this BulkLoad object and any data members
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*/
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void setAllDebug( DebugLevel level );
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/**
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* @brief Update next autoincrement value for specified OID.
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* @param columnOID oid of autoincrement column to be updated
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* @param nextValue next autoincrement value to assign to tableOID
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*/
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static int updateNextValue(OID columnOID, uint64_t nextValue);
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// Accessors and mutators
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void addToCmdLineImportFileList(const std::string& importFile);
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const std::string& getAlternateImportDir( ) const;
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const std::string& getErrorDir ( ) const;
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const std::string& getJobDir ( ) const;
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const std::string& getSchema ( ) const;
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const std::string& getTempJobDir ( ) const;
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bool getTruncationAsError ( ) const;
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BulkModeType getBulkLoadMode ( ) const;
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bool getContinue ( ) const;
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boost::uuids::uuid getJobUUID ( ) const
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{
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return fUUID;
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}
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EXPORT int setAlternateImportDir( const std::string& loadDir,
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std::string& errMsg);
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void setImportDataMode ( ImportDataMode importMode );
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void setColDelimiter ( char delim );
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void setBulkLoadMode ( BulkModeType bulkMode,
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const std::string& rptFileName );
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void setEnclosedByChar ( char enChar);
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void setEscapeChar ( char esChar);
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void setKeepRbMetaFiles ( bool keepMeta );
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void setMaxErrorCount ( unsigned int maxErrors );
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void setNoOfParseThreads ( int parseThreads );
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void setNoOfReadThreads ( int readThreads );
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void setNullStringMode ( bool bMode );
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void setParseErrorOnTable (int tableId, bool lockParseMutex);
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void setParserNum ( int parser );
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void setProcessName ( const std::string& processName );
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void setReadBufferCount ( int noOfReadBuffers );
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void setReadBufferSize ( int readBufferSize );
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void setTxnID ( BRM::TxnID txnID );
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void setVbufReadSize ( int vbufReadSize );
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void setTruncationAsError ( bool bTruncationAsError );
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void setJobUUID ( const std::string& jobUUID );
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void setErrorDir ( const std::string& errorDir );
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// Timer functions
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void startTimer ( );
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void stopTimer ( );
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double getTotalRunTime ( ) const;
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void disableTimeOut ( const bool disableTimeOut);
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bool disableTimeOut ( ) const;
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static void disableConsoleOutput ( const bool noConsoleOutput)
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{
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fNoConsoleOutput = noConsoleOutput;
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}
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static bool disableConsoleOutput ( )
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{
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return fNoConsoleOutput;
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}
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// Add error message into appropriate BRM updater
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static bool addErrorMsg2BrmUpdater(const std::string& tablename, const std::ostringstream& oss);
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void setDefaultJobUUID ( );
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private:
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//--------------------------------------------------------------------------
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// Private Data Members
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//--------------------------------------------------------------------------
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XMLJob fJobInfo; // current job information
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boost::scoped_ptr<ColumnOp> fColOp; // column operation
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std::string fRootDir; // job process root directory
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std::string fJobFileName; // job description file name
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Log fLog; // logger
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int fNumOfParser; // total number of parser
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char fColDelim; // delimits col values within a row
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int fNoOfBuffers; // Number of read buffers
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int fBufferSize; // Read buffer size
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int fFileVbufSize; // Internal file system buffer size
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long long fMaxErrors; // Max allowable errors per job
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std::string fAlternateImportDir; // Alternate bulk import directory
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std::string fErrorDir; // Opt. where error records record
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std::string fProcessName; // Application process name
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static boost::ptr_vector<TableInfo> fTableInfo;// Vector of Table information
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int fNoOfParseThreads; // Number of parse threads
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int fNoOfReadThreads; // Number of read threads
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boost::thread_group fReadThreads; // Read thread group
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boost::thread_group fParseThreads; // Parse thread group
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boost::mutex fReadMutex; // Manages table selection by each
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// read thread
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boost::mutex fParseMutex; // Manages table/buffer/column
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// selection by each parsing thread
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BRM::TxnID fTxnID; // TransID acquired from SessionMgr
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bool fKeepRbMetaFiles; // Keep/delete bulkRB metadata files
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bool fNullStringMode; // Treat "NULL" as NULL value
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char fEnclosedByChar; // Char used to enclose column value
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char fEscapeChar; // Escape char within enclosed value
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timeval fStartTime; // job start time
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timeval fEndTime; // job end time
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double fTotalTime; // elapsed time for current phase
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std::vector<std::string> fCmdLineImportFiles; // Import Files from cmd line
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BulkModeType fBulkMode; // Distributed bulk mode (1,2, or 3)
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std::string fBRMRptFileName; // Name of distributed mode rpt file
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bool fbTruncationAsError; // Treat string truncation as error
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ImportDataMode fImportDataMode; // Importing text or binary data
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bool fbContinue; // true when read and parse r running
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//
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static boost::mutex* fDDLMutex; // Insure only 1 DDL op at a time
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EXPORT static const std::string DIR_BULK_JOB; // Bulk job directory
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EXPORT static const std::string DIR_BULK_TEMP_JOB;// Dir for tmp job files
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static const std::string DIR_BULK_IMPORT; // Bulk job import dir
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static const std::string DIR_BULK_LOG; // Bulk job log directory
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bool fDisableTimeOut; // disable timeout when waiting for table lock
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boost::uuids::uuid fUUID; // job UUID
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static bool fNoConsoleOutput; // disable output to console
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//--------------------------------------------------------------------------
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// Private Functions
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//--------------------------------------------------------------------------
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// Spawn the worker threads.
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void spawnWorkers();
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// Checks if all tables have the status set
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bool allTablesDone(Status status);
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// Lock the table for read. Called by the read thread.
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int lockTableForRead(int id);
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// Get column for parsing. Called by the parse thread.
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// @bug 2099 - Temporary hack to diagnose deadlock. Added report parm below.
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bool lockColumnForParse(int id, // thread id
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int& tableId, // selected table id
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int& columnId, // selected column id
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int& myParseBuffer, // selected parse buffer
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bool report);
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// Map specified DBRoot to it's first segment file number
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int mapDBRootToFirstSegment(OID columnOid,
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uint16_t dbRoot,
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uint16_t& segment);
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// The thread method for the read thread.
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void read(int id);
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// The thread method for the parse thread.
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void parse(int id);
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// Sleep method
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void sleepMS(long int ms);
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// Initialize auto-increment column for specified schema and table.
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int preProcessAutoInc(
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const std::string& fullTableName,// schema.table
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ColumnInfo* colInfo); // ColumnInfo associated with AI column
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// Determine starting HWM and LBID after block skipping added to HWM
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int preProcessHwmLbid( const ColumnInfo* info,
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int minWidth,
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uint32_t partition,
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uint16_t segment,
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HWM& hwm,
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BRM::LBID_t& lbid,
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bool& bSkippedToNewExtent);
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// Rollback any tables that are left in a locked state at EOJ.
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int rollbackLockedTables( );
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// Rollback a table left in a locked state.
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int rollbackLockedTable( TableInfo& tableInfo );
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// Save metadata info required for shared-nothing bulk rollback.
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int saveBulkRollbackMetaData( Job& job, // current job
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TableInfo* tableInfo, // TableInfo for table of interest
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const std::vector<DBRootExtentInfo>& segFileInfo, //vector seg file info
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const std::vector<BRM::EmDbRootHWMInfo_v>& dbRootHWMInfoPM);
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// Manage/validate the list of 1 or more import data files
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int manageImportDataFileList(Job& job, // current job
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int tableNo, // table number of current job
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TableInfo* tableInfo); // TableInfo for table of interest
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// Break up list of file names into a vector of filename strings
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int buildImportDataFileList(
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const std::string& location,
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const std::string& filename,
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std::vector<std::string>& importFileNames);
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};
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//------------------------------------------------------------------------------
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// Inline functions
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//------------------------------------------------------------------------------
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inline void BulkLoad::addToCmdLineImportFileList(const std::string& importFile)
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{
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fCmdLineImportFiles.push_back( importFile );
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}
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inline const std::string& BulkLoad::getAlternateImportDir( ) const
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{
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return fAlternateImportDir;
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}
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inline const std::string& BulkLoad::getErrorDir( ) const
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{
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return fErrorDir;
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}
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inline const std::string& BulkLoad::getJobDir( ) const
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{
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return DIR_BULK_JOB;
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}
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inline const std::string& BulkLoad::getSchema( ) const
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{
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return fJobInfo.getJob().schema;
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}
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inline const std::string& BulkLoad::getTempJobDir( ) const
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{
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return DIR_BULK_TEMP_JOB;
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}
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inline bool BulkLoad::getTruncationAsError ( ) const
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{
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return fbTruncationAsError;
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}
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inline BulkModeType BulkLoad::getBulkLoadMode ( ) const
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{
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return fBulkMode;
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}
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inline bool BulkLoad::getContinue ( ) const
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{
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return fbContinue;
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}
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inline void BulkLoad::printJob()
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{
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if (isDebug(DEBUG_1))
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fJobInfo.printJobInfo(fLog);
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else
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fJobInfo.printJobInfoBrief(fLog);
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}
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inline void BulkLoad::setAllDebug( DebugLevel level )
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{
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setDebugLevel( level );
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fLog.setDebugLevel( level );
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}
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inline void BulkLoad::setColDelimiter( char delim )
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{
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fColDelim = delim;
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}
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inline void BulkLoad::setBulkLoadMode(
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BulkModeType bulkMode,
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const std::string& rptFileName )
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{
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fBulkMode = bulkMode;
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fBRMRptFileName = rptFileName;
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}
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inline void BulkLoad::setEnclosedByChar( char enChar )
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{
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fEnclosedByChar = enChar;
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}
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inline void BulkLoad::setEscapeChar( char esChar )
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{
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fEscapeChar = esChar;
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}
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inline void BulkLoad::setImportDataMode(ImportDataMode importMode)
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{
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fImportDataMode = importMode;
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}
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inline void BulkLoad::setKeepRbMetaFiles( bool keepMeta )
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{
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fKeepRbMetaFiles = keepMeta;
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}
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// Mutator takes an unsigned int, but we store in a long long, because...
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// TableInfo which eventually needs this attribute, takes an unsigned int,
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// but we want to be able to init to -1, to indicate when it has not been set.
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inline void BulkLoad::setMaxErrorCount( unsigned int maxErrors )
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{
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fMaxErrors = maxErrors;
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}
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inline void BulkLoad::setNoOfParseThreads(int parseThreads )
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{
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fNoOfParseThreads = parseThreads;
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}
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inline void BulkLoad::setNoOfReadThreads( int readThreads )
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{
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fNoOfReadThreads = readThreads;
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}
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inline void BulkLoad::setNullStringMode( bool bMode )
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{
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fNullStringMode = bMode;
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}
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inline void BulkLoad::setParserNum( int parser )
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{
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fNumOfParser = parser;
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}
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inline void BulkLoad::setProcessName( const std::string& processName )
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{
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fProcessName = processName;
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}
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inline void BulkLoad::setReadBufferCount( int noOfReadBuffers )
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{
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fNoOfBuffers = noOfReadBuffers;
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}
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inline void BulkLoad::setReadBufferSize( int readBufferSize )
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{
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fBufferSize = readBufferSize;
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}
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inline void BulkLoad::setTxnID( BRM::TxnID txnID )
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{
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fTxnID = txnID;
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}
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inline void BulkLoad::setVbufReadSize( int vbufReadSize )
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{
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fFileVbufSize = vbufReadSize;
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}
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inline void BulkLoad::setTruncationAsError(bool bTruncationAsError)
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{
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fbTruncationAsError = bTruncationAsError;
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}
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inline void BulkLoad::setErrorDir( const std::string& errorDir )
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{
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fErrorDir = errorDir;
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}
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inline void BulkLoad::startTimer( )
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{
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gettimeofday( &fStartTime, 0 );
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}
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inline void BulkLoad::stopTimer()
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{
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gettimeofday( &fEndTime, 0 );
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fTotalTime = (fEndTime.tv_sec + (fEndTime.tv_usec / 1000000.0)) -
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(fStartTime.tv_sec + (fStartTime.tv_usec / 1000000.0));
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}
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inline double BulkLoad::getTotalRunTime() const
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{
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return fTotalTime;
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}
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inline void BulkLoad::disableTimeOut( const bool disableTimeOut)
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{
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fDisableTimeOut = disableTimeOut;
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}
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inline bool BulkLoad::disableTimeOut() const
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{
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return fDisableTimeOut;
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}
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} // end of namespace
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#undef EXPORT
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#endif // _WE_BULKLOAD_H_
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