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avoid invalid read/write

This commit is contained in:
yihaoDeng 2022-10-22 20:03:20 +08:00
parent e2465387c6
commit 8e08d8dcc0
1 changed files with 23 additions and 18 deletions
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41
source/libs/executor/src/scanoperator.c
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@ -3224,9 +3224,11 @@ static int32_t optSysTabFilte(void* arg, SNode* cond, SArray* result) {
ret = optSysTabFilteImpl(arg, cell->pNode, aRslt);
if (ret == 0) {
// has index
hasIdx = true;
taosArrayPush(mRslt, &aRslt);
} else if (ret == -2) {
// current vg
hasIdx = true;
hasRslt = false;
taosArrayDestroy(aRslt);
@ -3634,30 +3636,33 @@ static SSDataBlock* sysTableScanUserTables(SOperatorInfo* pOperator) {
doSetOperatorCompleted(pOperator);
return (pInfo->pRes->info.rows == 0) ? NULL : pInfo->pRes;
} else {
if (pCondition != NULL && pInfo->pIdx == NULL) {
SSTabFltArg arg = {.pMeta = pInfo->readHandle.meta, .pVnode = pInfo->readHandle.vnode};
if (pInfo->showRewrite == false) {
if (pCondition != NULL && pInfo->pIdx == NULL) {
SSTabFltArg arg = {.pMeta = pInfo->readHandle.meta, .pVnode = pInfo->readHandle.vnode};
SSysTableIndex* idx = taosMemoryMalloc(sizeof(SSysTableIndex));
idx->init = 0;
idx->uids = taosArrayInit(128, sizeof(int64_t));
idx->lastIdx = 0;
pInfo->pIdx = idx;
SSysTableIndex* idx = taosMemoryMalloc(sizeof(SSysTableIndex));
idx->init = 0;
idx->uids = taosArrayInit(128, sizeof(int64_t));
idx->lastIdx = 0;
SArray* uids = idx->uids;
pInfo->pIdx = idx; // set idx arg
int flt = optSysTabFilte(&arg, pCondition, uids);
if (flt == 0) {
int flt = optSysTabFilte(&arg, pCondition, idx->uids);
if (flt == 0) {
pInfo->pIdx->init = 1;
SSDataBlock* blk = sysTableBuildUserTablesByUids(pOperator);
return blk;
} else if (flt == -2) {
qDebug("%s failed to get sys table info by idx, empty result", GET_TASKID(pTaskInfo));
return NULL;
} else if (flt == -1) {
// not idx
qDebug("%s failed to get sys table info by idx, scan sys table one by one", GET_TASKID(pTaskInfo));
}
} else if (pCondition != NULL && (pInfo->pIdx != NULL && pInfo->pIdx->init == 1)) {
SSDataBlock* blk = sysTableBuildUserTablesByUids(pOperator);
return blk;
} else if (flt == -2) {
qDebug("%s failed to get sys table info by idx, empty result", GET_TASKID(pTaskInfo));
return NULL;
} else if (flt == -1) {
qDebug("%s failed to get sys table info by idx, scan sys table one by one", GET_TASKID(pTaskInfo));
}
} else if (pCondition != NULL && pInfo->pIdx != NULL) {
SSDataBlock* blk = sysTableBuildUserTablesByUids(pOperator);
return blk;
}
return sysTableBuildUserTables(pOperator);