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fix(query): set correct output buffer.

This commit is contained in:
Haojun Liao 2022-07-12 17:59:25 +08:00
parent 85ddb63e53
commit e99231c1c8
1 changed files with 9 additions and 7 deletions
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16
source/dnode/vnode/src/tsdb/tsdbCacheRead.c
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@ -22,7 +22,6 @@ typedef struct SLastrowReader {
SVnode* pVnode;
STSchema* pSchema;
uint64_t uid;
// int32_t* pSlotIds;
char** transferBuf; // todo remove it soon
int32_t numOfCols;
int32_t type;
@ -40,15 +39,17 @@ static void saveOneRow(STSRow* pRow, SSDataBlock* pBlock, SLastrowReader* pReade
if (slotIds[i] == -1) {
colDataAppend(pColInfoData, numOfRows, (const char*)&pRow->ts, false);
} else {
tTSRowGetVal(pRow, pReader->pSchema, slotIds[i], &colVal);
int32_t slotId = slotIds[i];
tTSRowGetVal(pRow, pReader->pSchema, slotId, &colVal);
if (IS_VAR_DATA_TYPE(colVal.type)) {
if (colVal.isNull || colVal.isNone) {
colDataAppendNULL(pColInfoData, numOfRows);
} else {
varDataSetLen(pReader->transferBuf[i], colVal.value.nData);
memcpy(varDataVal(pReader->transferBuf[i]), colVal.value.pData, colVal.value.nData);
colDataAppend(pColInfoData, numOfRows, pReader->transferBuf[i], false);
varDataSetLen(pReader->transferBuf[slotId], colVal.value.nData);
memcpy(varDataVal(pReader->transferBuf[slotId]), colVal.value.pData, colVal.value.nData);
colDataAppend(pColInfoData, numOfRows, pReader->transferBuf[slotId], false);
}
} else {
colDataAppend(pColInfoData, numOfRows, (const char*)&colVal.value, colVal.isNull || colVal.isNone);
@ -79,7 +80,7 @@ int32_t tsdbLastRowReaderOpen(void* pVnode, int32_t type, SArray* pTableIdList,
p->pSchema = metaGetTbTSchema(p->pVnode->pMeta, pKeyInfo->uid, -1);
p->pTableList = pTableIdList;
for (int32_t i = 0; i < p->numOfCols; ++i) {
for (int32_t i = 0; i < p->pSchema->numOfCols; ++i) {
if (IS_VAR_DATA_TYPE(p->pSchema->columns[i].type)) {
p->transferBuf[i] = taosMemoryMalloc(p->pSchema->columns[i].bytes);
}
@ -92,10 +93,11 @@ int32_t tsdbLastRowReaderOpen(void* pVnode, int32_t type, SArray* pTableIdList,
int32_t tsdbLastrowReaderClose(void* pReader) {
SLastrowReader* p = pReader;
for (int32_t i = 0; i < p->numOfCols; ++i) {
for (int32_t i = 0; i < p->pSchema->numOfCols; ++i) {
taosMemoryFreeClear(p->transferBuf[i]);
}
taosMemoryFree(p->pSchema);
taosMemoryFree(p->transferBuf);
taosMemoryFree(pReader);
return TSDB_CODE_SUCCESS;