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mariadb-columnstore-engine/dbcon/joblist/tuplehavingstep.h
Roman Nozdrin a0b3424603 MCOL-2244 Columnstore execution threads now have names describe
the threads operation. This should simplify CPU bottlenecks troubleshooting.
2019-03-15 14:34:01 +03:00

122 lines
2.9 KiB
C++

/* Copyright (C) 2014 InfiniDB, Inc.
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; version 2 of
the License.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
// $Id: tuplehavingstep.h 9596 2013-06-04 19:59:04Z xlou $
#ifndef JOBLIST_TUPLEHAVINGSTEP_H
#define JOBLIST_TUPLEHAVINGSTEP_H
#include "jobstep.h"
#include "expressionstep.h"
#include "threadnaming.h"
// forward reference
namespace fucexp
{
class FuncExp;
}
namespace joblist
{
/** @brief class TupleHavingStep
*
*/
class TupleHavingStep : public ExpressionStep, public TupleDeliveryStep
{
public:
/** @brief TupleHavingStep constructor
*/
TupleHavingStep(const JobInfo& jobInfo);
/** @brief TupleHavingStep destructor
*/
~TupleHavingStep();
/** @brief virtual void Run method
*/
void run();
void join();
const std::string toString() const;
/** @brief TupleJobStep's pure virtual methods
*/
const rowgroup::RowGroup& getOutputRowGroup() const;
void setOutputRowGroup(const rowgroup::RowGroup&);
/** @brief TupleDeliveryStep's pure virtual methods
*/
uint32_t nextBand(messageqcpp::ByteStream& bs);
const rowgroup::RowGroup& getDeliveredRowGroup() const;
void deliverStringTableRowGroup(bool b);
bool deliverStringTableRowGroup() const;
void initialize(const rowgroup::RowGroup& rgIn, const JobInfo& jobInfo);
void expressionFilter(const execplan::ParseTree* filter, JobInfo& jobInfo);
virtual bool stringTableFriendly()
{
return true;
}
protected:
void execute();
void doHavingFilters();
void formatMiniStats();
void printCalTrace();
// input/output rowgroup and row
rowgroup::RowGroup fRowGroupIn;
rowgroup::RowGroup fRowGroupOut;
rowgroup::Row fRowIn;
rowgroup::Row fRowOut;
// for datalist
RowGroupDL* fInputDL;
RowGroupDL* fOutputDL;
uint64_t fInputIterator;
class Runner
{
public:
Runner(TupleHavingStep* step) : fStep(step) { }
void operator()()
{
utils::setThreadName("HVSRunner");
fStep->execute();
}
TupleHavingStep* fStep;
};
uint64_t fRunner; // thread pool handle
uint64_t fRowsReturned;
bool fEndOfResult;
funcexp::FuncExp* fFeInstance;
};
} // namespace
#endif // JOBLIST_TUPLEHAVINGSTEP_H
// vim:ts=4 sw=4: