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