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fix(query): do some internal refactor.

This commit is contained in:
Haojun Liao 2022-10-19 15:43:58 +08:00
parent 640338893d
commit 116d1451e4
2 changed files with 28 additions and 12 deletions
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35
source/dnode/vnode/src/tsdb/tsdbCacheRead.c
View File

@ -29,12 +29,14 @@ typedef struct SCacheRowsReader {
SArray* pTableList; // table id list
} SCacheRowsReader;
#define HASTYPE(_type, _t) (((_type) & (_t)) == (_t))
static void saveOneRow(SArray* pRow, SSDataBlock* pBlock, SCacheRowsReader* pReader, const int32_t* slotIds,
void** pRes) {
ASSERT(pReader->numOfCols <= taosArrayGetSize(pBlock->pDataBlock));
int32_t numOfRows = pBlock->info.rows;
if ((pReader->type & CACHESCAN_RETRIEVE_LAST) == CACHESCAN_RETRIEVE_LAST) {
if (HASTYPE(pReader->type, CACHESCAN_RETRIEVE_LAST)) {
for (int32_t i = 0; i < pReader->numOfCols; ++i) {
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
SFirstLastRes* p = (SFirstLastRes*)varDataVal(pRes[i]);
@ -54,7 +56,7 @@ static void saveOneRow(SArray* pRow, SSDataBlock* pBlock, SCacheRowsReader* pRea
if (IS_VAR_DATA_TYPE(pColVal->colVal.type)) {
varDataSetLen(p->buf, pColVal->colVal.value.nData);
memcpy(varDataVal(p->buf), pColVal->colVal.value.pData, pColVal->colVal.value.nData);
p->bytes = pColVal->colVal.value.nData + VARSTR_HEADER_SIZE;
p->bytes = pColVal->colVal.value.nData + VARSTR_HEADER_SIZE; // binary needs to plus the header size
} else {
memcpy(p->buf, &pColVal->colVal.value, pReader->pSchema->columns[slotId].bytes);
p->bytes = pReader->pSchema->columns[slotId].bytes;
@ -62,12 +64,13 @@ static void saveOneRow(SArray* pRow, SSDataBlock* pBlock, SCacheRowsReader* pRea
}
}
// pColInfoData->info.bytes includes the VARSTR_HEADER_SIZE, need to substruct it
p->hasResult = true;
varDataSetLen(pRes[i], pColInfoData->info.bytes);
varDataSetLen(pRes[i], pColInfoData->info.bytes - VARSTR_HEADER_SIZE);
colDataAppend(pColInfoData, numOfRows, (const char*)pRes[i], false);
}
} else {
ASSERT((pReader->type & CACHESCAN_RETRIEVE_LAST_ROW) == CACHESCAN_RETRIEVE_LAST_ROW);
ASSERT(HASTYPE(pReader->type, CACHESCAN_RETRIEVE_LAST_ROW));
for (int32_t i = 0; i < pReader->numOfCols; ++i) {
SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
@ -177,6 +180,13 @@ static int32_t doExtractCacheRow(SCacheRowsReader* pr, SLRUCache* lruCache, uint
return code;
}
static void freeItem(void* pItem) {
SLastCol* pCol = (SLastCol*) pItem;
if (IS_VAR_DATA_TYPE(pCol->colVal.type)) {
taosMemoryFree(pCol->colVal.value.pData);
}
}
int32_t tsdbRetrieveCacheRows(void* pReader, SSDataBlock* pResBlock, const int32_t* slotIds, SArray* pTableUidList) {
if (pReader == NULL || pResBlock == NULL) {
return TSDB_CODE_INVALID_PARA;
@ -217,7 +227,6 @@ int32_t tsdbRetrieveCacheRows(void* pReader, SSDataBlock* pResBlock, const int32
if (IS_VAR_DATA_TYPE(pCol->type)) {
p.colVal.value.pData = taosMemoryCalloc(pCol->bytes, sizeof(char));
}
taosArrayPush(pLastCols, &p);
}
@ -237,19 +246,25 @@ int32_t tsdbRetrieveCacheRows(void* pReader, SSDataBlock* pResBlock, const int32
{
for (int32_t k = 0; k < pr->numOfCols; ++k) {
SLastCol* p = taosArrayGet(pLastCols, k);
if (slotIds[k] == -1) { // the primary timestamp
SLastCol* pCol = (SLastCol*)taosArrayGet(pRow, k);
int32_t slotId = slotIds[k];
if (slotId == -1) { // the primary timestamp
SLastCol* p = taosArrayGet(pLastCols, 0);
SLastCol* pCol = (SLastCol*)taosArrayGet(pRow, 0);
if (pCol->ts > p->ts) {
hasRes = true;
p->ts = pCol->ts;
p->colVal = pCol->colVal;
}
} else {
int32_t slotId = slotIds[k];
SLastCol* p = taosArrayGet(pLastCols, slotId);
SLastCol* pColVal = (SLastCol*)taosArrayGet(pRow, slotId);
if (pColVal->ts > p->ts) {
if (!COL_VAL_IS_VALUE(&pColVal->colVal) && HASTYPE(pr->type, CACHESCAN_RETRIEVE_LAST)) {
continue;
}
hasRes = true;
p->ts = pColVal->ts;
@ -308,6 +323,6 @@ int32_t tsdbRetrieveCacheRows(void* pReader, SSDataBlock* pResBlock, const int32
}
taosMemoryFree(pRes);
taosArrayDestroy(pLastCols);
taosArrayDestroyEx(pLastCols, freeItem);
return code;
}

5
tests/script/tsim/parser/last_cache_query.sim
View File

@ -39,6 +39,7 @@ if $data02 != 5.000000000 then
return -1
endi
if $data03 != 3 then
print expect 3, actual: $data03
return -1
endi
if $data04 != @70-01-01 07:59:57.000@ then
@ -210,7 +211,7 @@ if $data01 != 6 then
return -1
endi
if $data02 != 37.000000000 then
print $data02
print expect 37.000000000 actual: $data02
return -1
endi
if $data03 != 27 then
@ -233,7 +234,7 @@ if $data01 != 6 then
return -1
endi
if $data02 != 37.000000000 then
print $data02
print expect 37.000000000, acutal: $data02
return -1
endi
if $data03 != 27 then