xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

fix: use col cell size instead of total col data size

This commit is contained in:
shenglian zhou 2023-08-28 13:43:37 +08:00
parent 09463cb43e
commit 322e8c6697
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
source/libs/scalar/src/sclfunc.c
View File

@ -654,13 +654,12 @@ int32_t substrFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
SColumnInfoData *pInputData = pInput->columnData;
SColumnInfoData *pOutputData = pOutput->columnData;
uint32_t outputLen = pInputData->varmeta.length;
char *outputBuf = taosMemoryCalloc(outputLen, 1);
int32_t outputLen = pInputData->info.bytes;
char *outputBuf = taosMemoryMalloc(outputLen);
if (outputBuf == NULL) {
qError("memory allocation failure. size: %u", outputLen);
qError("substr function memory allocation failure. size: %d", outputLen);
return TSDB_CODE_OUT_OF_MEMORY;
}
char *output = outputBuf;
for (int32_t i = 0; i < pInput->numOfRows; ++i) {
if (colDataIsNull_s(pInputData, i)) {
@ -680,14 +679,16 @@ int32_t substrFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOu
startPosBytes = TMAX(startPosBytes, 0);
}
char *output = outputBuf;
int32_t resLen = TMIN(subLen, len - startPosBytes);
if (resLen > 0) {
memcpy(varDataVal(output), varDataVal(input) + startPosBytes, resLen);
varDataSetLen(output, resLen);
} else {
varDataSetLen(output, 0);
}
varDataSetLen(output, resLen);
colDataSetVal(pOutputData, i, output, false);
output += varDataTLen(output);
}
pOutput->numOfRows = pInput->numOfRows;