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[TD-14572]<fix>: fix char_length result when nchar column has chinese characters

This commit is contained in:
Ganlin Zhao 2022-04-07 18:49:33 +08:00
parent d4d9ce20cf
commit bb847e87bd
1 changed files with 11 additions and 35 deletions
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46
source/libs/executor/src/executorimpl.c
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@ -1264,19 +1264,10 @@ static void projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSData
pResult->info.rows = pCtx[0].input.numOfRows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
SVariant *pVal = pExpr[k].pExpr->pVal;
char *payload;
if (IS_VAR_DATA_TYPE(pVal->nType)) {
payload = taosMemoryCalloc(1, pVal->nLen + VARSTR_HEADER_SIZE);
} else {
payload = taosMemoryCalloc(1, tDataTypes[pVal->nType].bytes);
}
taosVariantDump(pVal, payload, pVal->nType, true);
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, k);
for (int32_t i = 0; i < pSrcBlock->info.rows; ++i) {
colDataAppend(pColInfoData, i, payload, false);
colDataAppend(pColInfoData, i, taosVariantGet(&pExpr[k].base.pParam[0].param, pExpr[k].base.pParam[0].param.nType), TSDB_DATA_TYPE_NULL == pExpr[k].base.pParam[0].param.nType);
}
taosMemoryFree(payload);
pResult->info.rows = pSrcBlock->info.rows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_OPERATOR) {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
@ -1322,12 +1313,6 @@ static void projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSData
pResult->info.rows = dest.numOfRows;
taosArrayDestroy(pBlockList);
}
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, k);
for (int32_t i = 0; i < pSrcBlock->info.rows; ++i) {
colDataAppend(pColInfoData, i, taosVariantGet(&pExpr[k].base.pParam[0].param, pExpr[k].base.pParam[0].type), TSDB_DATA_TYPE_NULL == pExpr[k].base.pParam[0].param.nType);
}
pResult->info.rows = pSrcBlock->info.rows;
} else {
ASSERT(0);
}
@ -6976,15 +6961,16 @@ SExprInfo* createExprInfo(SNodeList* pNodeList, SNodeList* pGroupKeys, int32_t*
pExp->base.pParam[0].pCol = createColumn(pColNode->dataBlockId, pColNode->slotId, pType);
pExp->base.pParam[0].type = FUNC_PARAM_TYPE_COLUMN;
} else if (nodeType(pTargetNode->pExpr) == QUERY_NODE_VALUE) {
pExp->pExpr->nodeType = QUERY_NODE_VALUE;
SValueNode* pValueNode = (SValueNode*)pTargetNode->pExpr;
SDataType* pType = &pValueNode->node.resType;
char *pDatum = nodesGetValueFromNode(pValueNode);
if (IS_VAR_DATA_TYPE(pType->type)) {
pDatum = varDataVal(pDatum);
}
pExp->pExpr->pVal = taosMemoryCalloc(1, sizeof(SVariant));
taosVariantCreateFromBinary(pExp->pExpr->pVal, pDatum, pType->bytes, pType->type);
pExp->pExpr->nodeType = QUERY_NODE_VALUE;
SValueNode* pValNode = (SValueNode*)pTargetNode->pExpr;
pExp->base.pParam = taosMemoryCalloc(1, sizeof(SFunctParam));
pExp->base.numOfParams = 1;
SDataType* pType = &pValNode->node.resType;
pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale, pType->precision, pValNode->node.aliasName);
pExp->base.pParam[0].type = FUNC_PARAM_TYPE_VALUE;
valueNodeToVariant(pValNode, &pExp->base.pParam[0].param);
} else if (nodeType(pTargetNode->pExpr) == QUERY_NODE_FUNCTION) {
pExp->pExpr->nodeType = QUERY_NODE_FUNCTION;
SFunctionNode* pFuncNode = (SFunctionNode*)pTargetNode->pExpr;
@ -7030,16 +7016,6 @@ SExprInfo* createExprInfo(SNodeList* pNodeList, SNodeList* pGroupKeys, int32_t*
// pExp->base.pParam[0].type = FUNC_PARAM_TYPE_COLUMN;
// pExp->base.pParam[0].pCol = createColumn(pTargetNode->dataBlockId, pTargetNode->slotId, pType);
} else if (nodeType(pTargetNode->pExpr) == QUERY_NODE_VALUE) {
pExp->pExpr->nodeType = QUERY_NODE_VALUE;
SValueNode* pValNode = (SValueNode*)pTargetNode->pExpr;
pExp->base.pParam = taosMemoryCalloc(1, sizeof(SFunctParam));
pExp->base.numOfParams = 1;
SDataType* pType = &pValNode->node.resType;
pExp->base.resSchema = createResSchema(pType->type, pType->bytes, pTargetNode->slotId, pType->scale, pType->precision, pValNode->node.aliasName);
pExp->base.pParam[0].type = FUNC_PARAM_TYPE_VALUE;
valueNodeToVariant(pValNode, &pExp->base.pParam[0].param);
} else {
ASSERT(0);
}