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fix(tsdb/cache): remove malloc zero bytes

This commit is contained in:
Minglei Jin 2023-12-08 09:05:58 +08:00
parent 11577e0eda
commit d4dbb55669
1 changed files with 34 additions and 22 deletions
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56
source/dnode/vnode/src/tsdb/tsdbCache.c
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@ -452,9 +452,11 @@ static SLastCol *tsdbCacheLookup(STsdb *pTsdb, tb_uid_t uid, int16_t cid, int8_t
static void reallocVarData(SColVal *pColVal) { static void reallocVarData(SColVal *pColVal) {
if (IS_VAR_DATA_TYPE(pColVal->type)) { if (IS_VAR_DATA_TYPE(pColVal->type)) {
uint8_t *pVal = pColVal->value.pData; uint8_t *pVal = pColVal->value.pData;
pColVal->value.pData = taosMemoryMalloc(pColVal->value.nData); if (pColVal->value.nData > 0) {
if (pColVal->value.nData) { pColVal->value.pData = taosMemoryMalloc(pColVal->value.nData);
memcpy(pColVal->value.pData, pVal, pColVal->value.nData); memcpy(pColVal->value.pData, pVal, pColVal->value.nData);
} else {
pColVal->value.pData = NULL;
} }
} }
} }
@ -2748,14 +2750,16 @@ static int32_t mergeLastCid(tb_uid_t uid, STsdb *pTsdb, SArray **ppLastArray, SC
*pCol = (SLastCol){.ts = rowTs, .colVal = *pColVal}; *pCol = (SLastCol){.ts = rowTs, .colVal = *pColVal};
if (IS_VAR_DATA_TYPE(pColVal->type) /*&& pColVal->value.nData > 0*/) { if (IS_VAR_DATA_TYPE(pColVal->type) /*&& pColVal->value.nData > 0*/) {
pCol->colVal.value.pData = taosMemoryMalloc(pCol->colVal.value.nData);
if (pCol->colVal.value.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
if (pColVal->value.nData > 0) { if (pColVal->value.nData > 0) {
pCol->colVal.value.pData = taosMemoryMalloc(pCol->colVal.value.nData);
if (pCol->colVal.value.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
memcpy(pCol->colVal.value.pData, pColVal->value.pData, pColVal->value.nData); memcpy(pCol->colVal.value.pData, pColVal->value.pData, pColVal->value.nData);
} else {
pCol->colVal.value.pData = NULL;
} }
} }
@ -2795,17 +2799,21 @@ static int32_t mergeLastCid(tb_uid_t uid, STsdb *pTsdb, SArray **ppLastArray, SC
tsdbRowGetColVal(pRow, pTSchema, slotIds[iCol], pColVal); tsdbRowGetColVal(pRow, pTSchema, slotIds[iCol], pColVal);
if (!COL_VAL_IS_VALUE(tColVal) && COL_VAL_IS_VALUE(pColVal)) { if (!COL_VAL_IS_VALUE(tColVal) && COL_VAL_IS_VALUE(pColVal)) {
SLastCol lastCol = {.ts = rowTs, .colVal = *pColVal}; SLastCol lastCol = {.ts = rowTs, .colVal = *pColVal};
if (IS_VAR_DATA_TYPE(pColVal->type) && pColVal->value.nData > 0) { if (IS_VAR_DATA_TYPE(pColVal->type) /* && pColVal->value.nData > 0 */) {
SLastCol *pLastCol = (SLastCol *)taosArrayGet(pColArray, iCol); SLastCol *pLastCol = (SLastCol *)taosArrayGet(pColArray, iCol);
taosMemoryFree(pLastCol->colVal.value.pData); taosMemoryFree(pLastCol->colVal.value.pData);
lastCol.colVal.value.pData = taosMemoryMalloc(lastCol.colVal.value.nData); if (pColVal->value.nData > 0) {
if (lastCol.colVal.value.pData == NULL) { lastCol.colVal.value.pData = taosMemoryMalloc(lastCol.colVal.value.nData);
terrno = TSDB_CODE_OUT_OF_MEMORY; if (lastCol.colVal.value.pData == NULL) {
code = TSDB_CODE_OUT_OF_MEMORY; terrno = TSDB_CODE_OUT_OF_MEMORY;
goto _err; code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
memcpy(lastCol.colVal.value.pData, pColVal->value.pData, pColVal->value.nData);
} else {
lastCol.colVal.value.pData = NULL;
} }
memcpy(lastCol.colVal.value.pData, pColVal->value.pData, pColVal->value.nData);
} }
taosArraySet(pColArray, iCol, &lastCol); taosArraySet(pColArray, iCol, &lastCol);
@ -2916,14 +2924,18 @@ static int32_t mergeLastRowCid(tb_uid_t uid, STsdb *pTsdb, SArray **ppLastArray,
*pCol = (SLastCol){.ts = rowTs, .colVal = *pColVal}; *pCol = (SLastCol){.ts = rowTs, .colVal = *pColVal};
if (IS_VAR_DATA_TYPE(pColVal->type) /*&& pColVal->value.nData > 0*/) { if (IS_VAR_DATA_TYPE(pColVal->type) /*&& pColVal->value.nData > 0*/) {
pCol->colVal.value.pData = taosMemoryMalloc(pCol->colVal.value.nData);
if (pCol->colVal.value.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
if (pColVal->value.nData > 0) { if (pColVal->value.nData > 0) {
memcpy(pCol->colVal.value.pData, pColVal->value.pData, pColVal->value.nData); pCol->colVal.value.pData = taosMemoryMalloc(pCol->colVal.value.nData);
if (pCol->colVal.value.pData == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
code = TSDB_CODE_OUT_OF_MEMORY;
goto _err;
}
if (pColVal->value.nData > 0) {
memcpy(pCol->colVal.value.pData, pColVal->value.pData, pColVal->value.nData);
}
} else {
pCol->colVal.value.pData = NULL;
} }
} }