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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: we_colopbulk.h 4726 2013-08-07 03:38:36Z bwilkinson $
*
*****************************************************************************/
/** @file
* class ColumnOpBulk
*/
#pragma once
#include "we_colop.h"
#include <cstdio>
namespace WriteEngine
{
class Log;
/** @brief A "generic" implementation version of ColumnOp.
*
* This is minimal implementation of ColumnOp that is used by bulkload
* for both compressed and uncompressed column files.
*/
class ColumnOpBulk : public ColumnOp
{
public:
ColumnOpBulk();
ColumnOpBulk(Log* logger, int compressionType);
~ColumnOpBulk() override;
bool abbreviatedExtent(IDBDataFile*, int) const override;
int blocksInFile(IDBDataFile*) const override;
IDBDataFile* openFile(const WriteEngine::Column& column, uint16_t dbRoot, uint32_t partition,
uint16_t segment, std::string& segFile, bool useTmpSuffix, const char* mode = "r+b",
int ioBuffSize = DEFAULT_BUFSIZ, bool isReadOnly = false) const override;
int readBlock(IDBDataFile*, unsigned char*, const uint64_t) override;
int saveBlock(IDBDataFile*, const unsigned char*, const uint64_t) override;
};
} // namespace WriteEngine