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fix: empry var-len data coredump

This commit is contained in:
Hongze Cheng 2022-09-01 15:25:38 +08:00
parent b292909ff5
commit 88e3096b58
1 changed files with 1 additions and 1 deletions
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2
source/dnode/vnode/src/tsdb/tsdbUtil.c
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@ -2039,7 +2039,7 @@ int32_t tsdbCmprColData(SColData *pColData, int8_t cmprAlg, SBlockCol *pBlockCol
size += pBlockCol->szOffset;
// value
if (pColData->flag != (HAS_NULL | HAS_NONE)) {
if ((pColData->flag != (HAS_NULL | HAS_NONE)) && pColData->nData) {
code = tsdbCmprData((uint8_t *)pColData->pData, pColData->nData, pColData->type, cmprAlg, ppOut, nOut + size,
&pBlockCol->szValue, ppBuf);
if (code) goto _exit;