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

enh(query): prepare the buffer on the stack, instead of heap.

This commit is contained in:
Haojun Liao 2023-01-13 14:34:15 +08:00
parent 6332c982b5
commit eea9d4f21d
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
source/libs/executor/src/executil.c
View File

@ -481,14 +481,15 @@ static SColumnInfoData* getColInfoResult(void* metaHandle, int64_t suid, SArray*
} else if (pColInfo->info.type == TSDB_DATA_TYPE_JSON) {
colDataAppend(pColInfo, i, p, false);
} else if (IS_VAR_DATA_TYPE(pColInfo->info.type)) {
char* tmp = taosMemoryCalloc(tagVal.nData + VARSTR_HEADER_SIZE + 1, 1);
char* tmp = alloca(tagVal.nData + VARSTR_HEADER_SIZE + 1);
// char* tmp = taosMemoryCalloc(tagVal.nData + VARSTR_HEADER_SIZE + 1, 1);
varDataSetLen(tmp, tagVal.nData);
memcpy(tmp + VARSTR_HEADER_SIZE, tagVal.pData, tagVal.nData);
colDataAppend(pColInfo, i, tmp, false);
#if TAG_FILTER_DEBUG
qDebug("tagfilter varch:%s", tmp + 2);
#endif
taosMemoryFree(tmp);
// taosMemoryFree(tmp);
} else {
colDataAppend(pColInfo, i, (const char*)&tagVal.i64, false);
#if TAG_FILTER_DEBUG