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[td-1151]

This commit is contained in:
Haojun Liao 2020-08-25 15:56:51 +08:00
parent 2271ac9260
commit 73fcf1e1ce
2 changed files with 40 additions and 44 deletions
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39
src/client/inc/tsclient.h
View File

@ -433,31 +433,36 @@ static FORCE_INLINE void tscGetResultColumnChr(SSqlRes* pRes, SFieldInfo* pField
int32_t bytes = pInfo->pSqlExpr->resBytes;
char* pData = pRes->data + pInfo->pSqlExpr->offset * pRes->numOfRows + bytes * pRes->row;
if (type == TSDB_DATA_TYPE_NCHAR || type == TSDB_DATA_TYPE_BINARY) {
int32_t realLen = varDataLen(pData);
assert(realLen <= bytes - VARSTR_HEADER_SIZE);
if (isNull(pData, type)) {
pRes->tsrow[columnIndex] = NULL;
// user defined constant value output columns
if (pInfo->pSqlExpr->colInfo.flag == TSDB_COL_UDC) {
if (type == TSDB_DATA_TYPE_NCHAR || type == TSDB_DATA_TYPE_BINARY) {
pData = pInfo->pSqlExpr->param[1].pz;
pRes->length[columnIndex] = pInfo->pSqlExpr->param[1].nLen;
pRes->tsrow[columnIndex] = (pInfo->pSqlExpr->param[1].nType == TSDB_DATA_TYPE_NULL) ? NULL : pData;
} else {
pRes->tsrow[columnIndex] = ((tstr*)pData)->data;
}
assert(bytes == tDataTypeDesc[type].nSize);
if (realLen < pInfo->pSqlExpr->resBytes - VARSTR_HEADER_SIZE) { // todo refactor
*(pData + realLen + VARSTR_HEADER_SIZE) = 0;
pRes->tsrow[columnIndex] = isNull(pData, type) ? NULL : &pInfo->pSqlExpr->param[1].i64Key;
pRes->length[columnIndex] = bytes;
}
pRes->length[columnIndex] = realLen;
} else {
assert(bytes == tDataTypeDesc[type].nSize);
if (type == TSDB_DATA_TYPE_NCHAR || type == TSDB_DATA_TYPE_BINARY) {
int32_t realLen = varDataLen(pData);
assert(realLen <= bytes - VARSTR_HEADER_SIZE);
if (isNull(pData, type)) {
pRes->tsrow[columnIndex] = NULL;
pRes->tsrow[columnIndex] = (isNull(pData, type)) ? NULL : ((tstr *)pData)->data;
if (realLen < pInfo->pSqlExpr->resBytes - VARSTR_HEADER_SIZE) { // todo refactor
*(pData + realLen + VARSTR_HEADER_SIZE) = 0;
}
pRes->length[columnIndex] = realLen;
} else {
pRes->tsrow[columnIndex] = pData;
}
assert(bytes == tDataTypeDesc[type].nSize);
pRes->length[columnIndex] = bytes;
pRes->tsrow[columnIndex] = isNull(pData, type) ? NULL : pData;
pRes->length[columnIndex] = bytes;
}
}
}

45
src/client/src/tscFunctionImpl.c
View File

@ -2902,27 +2902,20 @@ static FORCE_INLINE void date_col_output_function_f(SQLFunctionCtx *pCtx, int32_
}
static void col_project_function(SQLFunctionCtx *pCtx) {
if (pCtx->numOfParams == 2) { // the number of output rows should not affect the final number of rows, so set it to be 0
SET_VAL(pCtx, pCtx->size, 1);
// the number of output rows should not affect the final number of rows, so set it to be 0
if (pCtx->numOfParams == 2) {
return;
}
char* output = pCtx->aOutputBuf;
for(int32_t i = 0; i < pCtx->size; ++i) {
tVariantDump(&pCtx->param[1], output, pCtx->outputType, true);
output += pCtx->outputBytes;
}
INC_INIT_VAL(pCtx, pCtx->size);
char *pData = GET_INPUT_CHAR(pCtx);
if (pCtx->order == TSDB_ORDER_ASC) {
memcpy(pCtx->aOutputBuf, pData, (size_t) pCtx->size * pCtx->inputBytes);
} else {
INC_INIT_VAL(pCtx, pCtx->size);
char *pData = GET_INPUT_CHAR(pCtx);
if (pCtx->order == TSDB_ORDER_ASC) {
memcpy(pCtx->aOutputBuf, pData, (size_t) pCtx->size * pCtx->inputBytes);
} else {
for(int32_t i = 0; i < pCtx->size; ++i) {
memcpy(pCtx->aOutputBuf + (pCtx->size - 1 - i) * pCtx->inputBytes, pData + i * pCtx->inputBytes,
pCtx->inputBytes);
}
for(int32_t i = 0; i < pCtx->size; ++i) {
memcpy(pCtx->aOutputBuf + (pCtx->size - 1 - i) * pCtx->inputBytes, pData + i * pCtx->inputBytes,
pCtx->inputBytes);
}
}
@ -2931,20 +2924,18 @@ static void col_project_function(SQLFunctionCtx *pCtx) {
static void col_project_function_f(SQLFunctionCtx *pCtx, int32_t index) {
SResultInfo *pResInfo = GET_RES_INFO(pCtx);
if (pCtx->numOfParams == 2) { // the number of output rows should not affect the final number of rows, so set it to be 0
return;
}
// only one output
if (pCtx->param[0].i64Key == 1 && pResInfo->numOfRes >= 1) {
return;
}
if (pCtx->numOfParams == 2) { // the number of output rows should not affect the final number of rows, so set it to be 0
SET_VAL(pCtx, pCtx->size, 1);
tVariantDump(&pCtx->param[1], pCtx->aOutputBuf, pCtx->outputType, true);
} else {
INC_INIT_VAL(pCtx, 1);
char *pData = GET_INPUT_CHAR_INDEX(pCtx, index);
memcpy(pCtx->aOutputBuf, pData, pCtx->inputBytes);
}
INC_INIT_VAL(pCtx, 1);
char *pData = GET_INPUT_CHAR_INDEX(pCtx, index);
memcpy(pCtx->aOutputBuf, pData, pCtx->inputBytes);
pCtx->aOutputBuf += pCtx->inputBytes;
}