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fix: adjust parsing of negative numbers

This commit is contained in:
Xiaoyu Wang 2022-07-05 15:38:39 +08:00
parent d223a6624b
commit 24d0fc4515
2 changed files with 12 additions and 4 deletions
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9
source/libs/parser/src/parAstCreater.c
View File

@ -385,6 +385,15 @@ SNode* createLogicConditionNode(SAstCreateContext* pCxt, ELogicConditionType typ
SNode* createOperatorNode(SAstCreateContext* pCxt, EOperatorType type, SNode* pLeft, SNode* pRight) {
CHECK_PARSER_STATUS(pCxt);
if (OP_TYPE_MINUS == type && QUERY_NODE_VALUE == nodeType(pLeft)) {
SValueNode* pVal = (SValueNode*)pLeft;
char* pNewLiteral = taosMemoryCalloc(1, strlen(pVal->literal) + 1);
CHECK_OUT_OF_MEM(pNewLiteral);
sprintf(pNewLiteral, "-%s", pVal->literal);
taosMemoryFree(pVal->literal);
pVal->literal = pNewLiteral;
return pLeft;
}
SOperatorNode* op = (SOperatorNode*)nodesMakeNode(QUERY_NODE_OPERATOR);
CHECK_OUT_OF_MEM(op);
op->opType = type;

7
source/libs/parser/src/parTranslater.c
View File

@ -878,6 +878,9 @@ static EDealRes translateNormalValue(STranslateContext* pCxt, SValueNode* pVal,
}
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY: {
if (strict && (pVal->node.resType.bytes > targetDt.bytes - VARSTR_HEADER_SIZE)) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
}
pVal->datum.p = taosMemoryCalloc(1, targetDt.bytes + 1);
if (NULL == pVal->datum.p) {
return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
@ -5829,10 +5832,6 @@ static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pS
return pCxt->errCode;
}
if (IS_VAR_DATA_TYPE(pSchema->type) && strlen(pStmt->pVal->literal) > pSchema->bytes) {
return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pStmt->pVal->literal);
}
pReq->isNull = (TSDB_DATA_TYPE_NULL == pStmt->pVal->node.resType.type);
if (targetDt.type == TSDB_DATA_TYPE_JSON) {
pReq->isNull = 0;