TDengine/source/libs/index/inc/indexComm.h

/*
 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * 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.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _TD_INDEX_COMM_H_
#define _TD_INDEX_COMM_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "indexInt.h"
#include "tcompare.h"

extern char JSON_COLUMN[];
extern char JSON_VALUE_DELIM;

char* idxPackJsonData(SIndexTerm* itm);
char* idxPackJsonDataPrefix(SIndexTerm* itm, int32_t* skip);
char* idxPackJsonDataPrefixNoType(SIndexTerm* itm, int32_t* skip);

typedef enum { MATCH, CONTINUE, BREAK } TExeCond;

typedef TExeCond (*_cache_range_compare)(void* a, void* b, int8_t type);

__compar_fn_t idxGetCompar(int8_t type);
TExeCond      tCompare(__compar_fn_t func, int8_t cmpType, void* a, void* b, int8_t dType);
TExeCond      tDoCompare(__compar_fn_t func, int8_t cmpType, void* a, void* b);

_cache_range_compare idxGetCompare(RangeType ty);

int32_t idxConvertData(void* src, int8_t type, void** dst);
int32_t idxConvertDataToStr(void* src, int8_t type, void** dst);

int32_t idxGetDataByteLen(int8_t type);

char* idxInt2str(int64_t val, char* dst, int radix);

int idxUidCompare(const void* a, const void* b);
#ifdef __cplusplus
}
#endif

#endif