Files
openGauss-server/src/include/vectorsonic/vsonicencodingchar.h
2021-03-06 12:39:28 +08:00

75 lines
2.5 KiB
C++

/*
* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* openGauss is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* ---------------------------------------------------------------------------------------
*
* vsonicencodingchar.h
* Routines to handle variable length data type.
*
* IDENTIFICATION
* src/include/vectorsonic/vsonicencodingchar.h
*
* ---------------------------------------------------------------------------------------
*/
#ifndef SRC_INCLUDE_VECTORSONIC_VSONICENCODINGCHAR_H_
#define SRC_INCLUDE_VECTORSONIC_VSONICENCODINGCHAR_H_
#include "vectorsonic/vsonicarray.h"
class SonicEncodingDatumArray : public SonicDatumArray {
public:
SonicEncodingDatumArray(MemoryContext cxt, int capacity, bool genBitMap, DatumDesc* desc);
~SonicEncodingDatumArray(){};
void getDatumFlagArray(int nrows, ArrayIdx* arrayIdx, Datum* data, uint8* flag);
void getDatumFlagArrayWithMatch(int nrows, ArrayIdx* arrayIdx, Datum* data, uint8* flag, const bool* matchIdx);
size_t flushDatumFlagArrayByRow(int arrIdx, uint32* partIdx, void** filePartitions, uint32 colIdx, int rowIdx);
size_t flushDatumFlagArray(int arrIdx, uint32* partIdx, void** innerPartitions, uint32 colIdx, int nrows);
void setValue(ScalarValue val, bool isNull, int arrIndx, int atomIndx);
Datum getDatum(int arrIdx, int atomIdx);
private:
void getDatumFlag(int arrIdx, int atomIdx, ScalarValue* val, uint8* flag);
void putDatumArrayWithNullCheck(ScalarValue* vals, uint8* flag, int rows);
void loadDatumFlagArray(void* file, int rows);
};
class SonicStackEncodingDatumArray : public SonicEncodingDatumArray {
public:
SonicStackEncodingDatumArray(MemoryContext cxt, int capacity, bool genBitMap, DatumDesc* desc);
~SonicStackEncodingDatumArray(){};
private:
void putDatumArrayWithNullCheck(ScalarValue* vals, uint8* flag, int rows);
void putDatumFlag(ScalarValue* vals, uint8* flag);
void loadDatumFlagArray(void* fileSource, int rows);
void loadDatumFlagArrayByRow(void* file, int leftrows);
VarBuf* m_buf;
};
#endif /* SRC_INCLUDE_VECTORSONIC_VSONICENCODINGCHAR_H_ */