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feat: change bufSize for double digits

This commit is contained in:
shenglian zhou 2022-07-17 05:30:20 +08:00
parent 76f38ee03a
commit 110aef1f12
1 changed files with 5 additions and 3 deletions
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6
source/libs/executor/src/scanoperator.c
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@ -1596,7 +1596,8 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhys
pInfo->pUpdateRes = createResDataBlock(pDescNode);
pInfo->pCondition = pScanPhyNode->node.pConditions;
pInfo->scanMode = STREAM_SCAN_FROM_READERHANDLE;
pInfo->sessionSup = (SessionWindowSupporter){.pStreamAggSup = NULL, .gap = -1, .parentType = QUERY_NODE_PHYSICAL_PLAN};
pInfo->sessionSup =
(SessionWindowSupporter){.pStreamAggSup = NULL, .gap = -1, .parentType = QUERY_NODE_PHYSICAL_PLAN};
pInfo->groupId = 0;
pInfo->pPullDataRes = createPullDataBlock();
pInfo->pStreamScanOp = pOperator;
@ -1978,7 +1979,8 @@ static SSDataBlock* sysTableScanUserTags(SOperatorInfo* pOperator) {
}
}
int32_t bufSize = IS_VAR_DATA_TYPE(tagType) ? tagLen + VARSTR_HEADER_SIZE : 1024;
int32_t bufSize = IS_VAR_DATA_TYPE(tagType) ? (tagLen + VARSTR_HEADER_SIZE)
: (3 + DBL_MANT_DIG - DBL_MIN_EXP + VARSTR_HEADER_SIZE);
char* tagVarChar = NULL;
if (tagData != NULL) {
tagVarChar = taosMemoryMalloc(bufSize);