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[TD-14241]<feature>: refactor string functions

This commit is contained in:
Ganlin Zhao 2022-04-02 18:34:17 +08:00
parent db87cabd15
commit 8bcdf8e200
2 changed files with 14 additions and 12 deletions
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1
source/libs/function/src/builtins.c
View File

@ -536,6 +536,7 @@ int32_t stubCheckAndGetResultType(SFunctionNode* pFunc) {
paraType = pParam->node.resType.type;
}
pFunc->node.resType = (SDataType) { .bytes = paraBytes, .type = paraType };
break;
//int32_t paraTypeFirst, totalBytes = 0, sepBytes = 0;
//int32_t firstParamIndex = 0;
//if (pFunc->funcType == FUNCTION_TYPE_CONCAT_WS) {

25
source/libs/scalar/src/sclfunc.c
View File

@ -333,15 +333,15 @@ int32_t concatFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
int32_t inputLen = 0;
int32_t numOfRows = 0;
for (int32_t i = 0; i < inputNum; ++i) {
if (!IS_VAR_DATA_TYPE(GET_PARAM_TYPE(&pInput[i])) ||
GET_PARAM_TYPE(&pInput[i]) != GET_PARAM_TYPE(&pInput[0])) {
return TSDB_CODE_FAILED;
}
if (pInput[i].numOfRows > numOfRows) {
numOfRows = pInput[i].numOfRows;
}
}
for (int32_t i = 0; i < inputNum; ++i) {
if (!IS_VAR_DATA_TYPE(GET_PARAM_TYPE(&pInput[i])) ||
GET_PARAM_TYPE(&pInput[i]) != GET_PARAM_TYPE(&pInput[0])) {
return TSDB_CODE_FAILED;
}
pInputData[i] = pInput[i].columnData;
input[i] = pInputData[i]->pData;
if (pInput[i].numOfRows == 1) {
@ -402,20 +402,21 @@ int32_t concatWsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *p
int32_t inputLen = 0;
int32_t numOfRows = 0;
for (int32_t i = 0; i < inputNum; ++i) {
for (int32_t i = 1; i < inputNum; ++i) {
if (!IS_VAR_DATA_TYPE(GET_PARAM_TYPE(&pInput[i])) ||
GET_PARAM_TYPE(&pInput[i]) != GET_PARAM_TYPE(&pInput[1])) {
return TSDB_CODE_FAILED;
}
if (pInput[i].numOfRows > numOfRows) {
numOfRows = pInput[i].numOfRows;
}
}
for (int32_t i = 0; i < inputNum; ++i) {
if (!IS_VAR_DATA_TYPE(GET_PARAM_TYPE(&pInput[i])) ||
GET_PARAM_TYPE(&pInput[i]) != GET_PARAM_TYPE(&pInput[0])) {
return TSDB_CODE_FAILED;
}
pInputData[i] = pInput[i].columnData;
if (i == 0) {
// calculate required separator space
inputLen += (pInputData[0]->varmeta.length - VARSTR_HEADER_SIZE) * numOfRows * (inputNum - 2);
int32_t factor = (GET_PARAM_TYPE(&pInput[1]) == TSDB_DATA_TYPE_NCHAR) ? TSDB_NCHAR_SIZE : 1;
inputLen += (pInputData[0]->varmeta.length - VARSTR_HEADER_SIZE) * numOfRows * (inputNum - 2) * factor;
} else if (pInput[i].numOfRows == 1) {
inputLen += (pInputData[i]->varmeta.length - VARSTR_HEADER_SIZE) * numOfRows;
} else {
@ -429,7 +430,6 @@ int32_t concatWsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *p
char *output = outputBuf;
for (int32_t k = 0; k < numOfRows; ++k) {
char *sep = pInputData[0]->pData;
if (colDataIsNull_s(pInputData[0], k)) {
colDataAppendNULL(pOutputData, k);
continue;
@ -437,7 +437,7 @@ int32_t concatWsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *p
int16_t dataLen = 0;
for (int32_t i = 1; i < inputNum; ++i) {
if (colDataIsNull_f(pInputData[i]->nullbitmap, k)) {
if (colDataIsNull_s(pInputData[i], k)) {
continue;
}
@ -449,6 +449,7 @@ int32_t concatWsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *p
if (i < inputNum - 1) {
//insert the separator
char *sep = pInputData[0]->pData;
memcpy(varDataVal(output) + dataLen, varDataVal(sep), varDataLen(sep));
dataLen += varDataLen(sep);
}