homework-jianmu/source/dnode/mnode/sdb/src/sdbRow.c

55 lines
1.4 KiB
C

/*
* 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/>.
*/
#define _DEFAULT_SOURCE
#include "sdb.h"
SSdbRow *sdbAllocRow(int32_t objSize) {
SSdbRow *pRow = taosMemoryCalloc(1, objSize + sizeof(SSdbRow));
if (pRow == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
#if 1
mTrace("row:%p, is created, len:%d", pRow->pObj, objSize);
#endif
return pRow;
}
void *sdbGetRowObj(SSdbRow *pRow) {
if (pRow == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
return pRow->pObj;
}
void sdbFreeRow(SSdb *pSdb, SSdbRow *pRow, bool callFunc) {
// remove attached object such as trans
SdbDeleteFp deleteFp = pSdb->deleteFps[pRow->type];
if (deleteFp != NULL) {
(void)(*deleteFp)(pSdb, pRow->pObj, callFunc);
}
sdbPrintOper(pSdb, pRow, "free");
#if 1
mTrace("row:%p, is freed", pRow->pObj);
#endif
taosMemoryFreeClear(pRow);
}