You've already forked mariadb-columnstore-engine
mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-10-31 18:30:33 +03:00
112 lines
3.0 KiB
C++
112 lines
3.0 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. */
|
|
|
|
#ifndef COMMAND_H
|
|
#define COMMAND_H
|
|
|
|
#include <boost/shared_ptr.hpp>
|
|
#include <boost/uuid/uuid.hpp>
|
|
|
|
#include "serializeable.h"
|
|
#include "bytestream.h"
|
|
#include "rowgroup.h"
|
|
|
|
namespace primitiveprocessor
|
|
{
|
|
|
|
class BatchPrimitiveProcessor;
|
|
class Command;
|
|
typedef boost::shared_ptr<Command> SCommand;
|
|
|
|
class Command
|
|
{
|
|
public:
|
|
enum CommandType {
|
|
NONE,
|
|
COLUMN_COMMAND,
|
|
DICT_STEP,
|
|
DICT_SCAN,
|
|
PASS_THRU,
|
|
RID_TO_STRING,
|
|
FILTER_COMMAND,
|
|
PSEUDOCOLUMN
|
|
};
|
|
|
|
static const uint8_t NOT_FEEDER = 0;
|
|
static const uint8_t FILT_FEEDER = 1;
|
|
static const uint8_t LEFT_FEEDER = 3;
|
|
static const uint8_t RIGHT_FEEDER = 5;
|
|
|
|
Command(CommandType c);
|
|
virtual ~Command();
|
|
|
|
virtual void execute() = 0;
|
|
virtual void project() = 0;
|
|
virtual void projectIntoRowGroup(rowgroup::RowGroup &rg, uint32_t columnPosition) = 0;
|
|
virtual uint64_t getLBID() = 0;
|
|
virtual void getLBIDList(uint32_t loopCount, std::vector<int64_t> *out) {} // the default fcn returns 0 lbids
|
|
virtual void nextLBID() = 0;
|
|
virtual void createCommand(messageqcpp::ByteStream &);
|
|
virtual void resetCommand(messageqcpp::ByteStream &);
|
|
|
|
/* Duplicate() makes a copy of this object as constructed by createCommand().
|
|
It's thread-safe */
|
|
virtual SCommand duplicate() = 0;
|
|
bool operator==(const Command &) const;
|
|
bool operator!=(const Command& c) const { return !(*this == c); }
|
|
|
|
/* Put bootstrap code here (ie, build the template primitive msg) */
|
|
virtual void prep(int8_t outputType, bool makeAbsRids) = 0;
|
|
virtual void setBatchPrimitiveProcessor(BatchPrimitiveProcessor *);
|
|
virtual void setMakeAbsRids(bool);
|
|
|
|
CommandType getCommandType() const { return cmdType; }
|
|
|
|
// if feeding a filtercommand
|
|
// note: a filtercommand itself can feed another filtercommand
|
|
uint8_t filterFeeder() { return fFilterFeeder; }
|
|
void filterFeeder(uint8_t f) { fFilterFeeder = f; }
|
|
virtual void copyRidsForFilterCmd();
|
|
|
|
static Command* makeCommand(messageqcpp::ByteStream&, CommandType*, std::vector<SCommand>&);
|
|
|
|
uint32_t getOID() const { return OID; }
|
|
uint32_t getTupleKey() const { return tupleKey; }
|
|
|
|
virtual int getCompType() const=0;
|
|
|
|
protected:
|
|
BatchPrimitiveProcessor *bpp;
|
|
CommandType cmdType;
|
|
uint8_t fFilterFeeder;
|
|
uint32_t OID;
|
|
uint32_t tupleKey;
|
|
boost::uuids::uuid queryUuid;
|
|
boost::uuids::uuid stepUuid;
|
|
|
|
void duplicate(Command *);
|
|
|
|
private:
|
|
Command();
|
|
Command(const Command &);
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|