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fix: json null

This commit is contained in:
wangmm0220 2022-07-13 21:00:54 +08:00
parent 56ec0a3920
commit 2647a3d9ee
1 changed files with 1 additions and 1 deletions
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2
source/libs/parser/src/parTranslater.c
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@ -5846,7 +5846,6 @@ static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pS
return pCxt->errCode;
}
pReq->isNull = (TSDB_DATA_TYPE_NULL == pStmt->pVal->node.resType.type);
pReq->tagType = targetDt.type;
if (targetDt.type == TSDB_DATA_TYPE_JSON) {
if (pStmt->pVal->literal &&
@ -5876,6 +5875,7 @@ static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pS
pReq->pTagVal = (uint8_t*)pTag;
pStmt->pVal->datum.p = (char*)pTag; // for free
} else {
pReq->isNull = (TSDB_DATA_TYPE_NULL == pStmt->pVal->node.resType.type);
pReq->nTagVal = pStmt->pVal->node.resType.bytes;
pReq->pTagVal = nodesGetValueFromNode(pStmt->pVal);