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fix: fix json tag null issue

This commit is contained in:
dapan1121 2022-06-30 18:12:04 +08:00
parent 7ef4d3f03a
commit cda2f844ce
1 changed files with 5 additions and 3 deletions
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8
source/libs/parser/src/parTranslater.c
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@ -786,6 +786,7 @@ static EDealRes translateValueImpl(STranslateContext* pCxt, SValueNode* pVal, SD
if (TSDB_DATA_TYPE_NULL == pVal->node.resType.type) {
// TODO
//pVal->node.resType = targetDt;
pVal->translate = true;
pVal->isNull = true;
return DEAL_RES_CONTINUE;
}
@ -5608,8 +5609,8 @@ static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pS
return TSDB_CODE_OUT_OF_MEMORY;
}
if (DEAL_RES_ERROR ==
translateValueImpl(pCxt, pStmt->pVal, schemaToDataType(pTableMeta->tableInfo.precision, pSchema))) {
SDataType targetDt = schemaToDataType(pTableMeta->tableInfo.precision, pSchema);
if (DEAL_RES_ERROR == translateValueImpl(pCxt, pStmt->pVal, targetDt)) {
return pCxt->errCode;
}
@ -5618,7 +5619,8 @@ static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pS
}
pReq->isNull = (TSDB_DATA_TYPE_NULL == pStmt->pVal->node.resType.type);
if (pStmt->pVal->node.resType.type == TSDB_DATA_TYPE_JSON) {
if (targetDt.type == TSDB_DATA_TYPE_JSON) {
pReq->isNull = 0;
if (pStmt->pVal->literal &&
strlen(pStmt->pVal->literal) > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
return buildSyntaxErrMsg(&pCxt->msgBuf, "json string too long than 4095", pStmt->pVal->literal);