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

fix: keepFirstNRows

This commit is contained in:
factosea 2024-02-25 22:56:32 +08:00
parent 5647d990b4
commit 8230b238fb
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
source/common/src/tdatablock.c
View File

@ -452,17 +452,7 @@ int32_t colDataAssign(SColumnInfoData* pColumnInfoData, const SColumnInfoData* p
}
if (IS_VAR_DATA_TYPE(pColumnInfoData->info.type)) {
int32_t newLen = pSource->varmeta.offset[numOfRows - 1];
if (newLen != -1) {
if (pSource->info.type == TSDB_DATA_TYPE_JSON) {
newLen += getJsonValueLen(pSource->pData + newLen);
} else {
newLen += varDataTLen(pSource->pData + newLen);
}
} else {
newLen = pSource->varmeta.length;
}
int32_t newLen = pSource->varmeta.length;
memcpy(pColumnInfoData->varmeta.offset, pSource->varmeta.offset, sizeof(int32_t) * numOfRows);
if (pColumnInfoData->varmeta.allocLen < newLen) {
char* tmp = taosMemoryRealloc(pColumnInfoData->pData, newLen);
@ -1699,7 +1689,17 @@ int32_t blockDataTrimFirstRows(SSDataBlock* pBlock, size_t n) {
static void colDataKeepFirstNRows(SColumnInfoData* pColInfoData, size_t n, size_t total) {
if (IS_VAR_DATA_TYPE(pColInfoData->info.type)) {
// pColInfoData->varmeta.length = pColInfoData->varmeta.offset[n];
int32_t newLen = pColInfoData->varmeta.offset[n - 1];
if (newLen != -1) {
if (pColInfoData->info.type == TSDB_DATA_TYPE_JSON) {
newLen += getJsonValueLen(pColInfoData->pData + newLen);
} else {
newLen += varDataTLen(pColInfoData->pData + newLen);
}
} else {
newLen = pColInfoData->varmeta.length;
}
pColInfoData->varmeta.length = newLen;
// pColInfoData->varmeta.length = colDataMoveVarData(pColInfoData, 0, n);
memset(&pColInfoData->varmeta.offset[n], 0, total - n);
}