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refactor(query): do some internal refactor.

This commit is contained in:
Haojun Liao 2022-09-01 18:23:44 +08:00
parent c7350ef24d
commit b2cf2818eb
1 changed files with 5 additions and 23 deletions
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28
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -84,8 +84,6 @@ typedef struct SBlockLoadSuppInfo {
} SBlockLoadSuppInfo;
typedef struct SLastBlockReader {
int32_t currentBlockIndex;
SBlockData lastBlockData;
STimeWindow window;
SVersionRange verRange;
int32_t order;
@ -345,11 +343,6 @@ static int32_t initFilesetIterator(SFilesetIter* pIter, SArray* aDFileSet,
pLReader->order = pReader->order;
pLReader->window = pReader->window;
pLReader->verRange = pReader->verRange;
int32_t code = tBlockDataCreate(&pLReader->lastBlockData);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
}
tsdbDebug("init fileset iterator, total files:%d %s", pIter->numOfFiles, pReader->idStr);
@ -1269,15 +1262,13 @@ static int32_t doMergeBufAndFileRows(STsdbReader* pReader, STableBlockScanInfo*
SFileBlockDumpInfo* pDumpInfo = &pReader->status.fBlockDumpInfo;
int64_t tsLast = INT64_MIN;
if ((pLastBlockReader->lastBlockData.nRow > 0) && hasDataInLastBlock(pLastBlockReader)) {
if (hasDataInLastBlock(pLastBlockReader)) {
tsLast = getCurrentKeyInLastBlock(pLastBlockReader);
}
TSDBKEY k = TSDBROW_KEY(pRow);
TSDBROW fRow = tsdbRowFromBlockData(pBlockData, pDumpInfo->rowIndex);
SBlockData* pLastBlockData = &pLastBlockReader->lastBlockData;
int64_t minKey = 0;
if (pReader->order == TSDB_ORDER_ASC) {
minKey = INT64_MAX; // chosen the minimum value
@ -1408,7 +1399,7 @@ static int32_t mergeFileBlockAndLastBlock(STsdbReader* pReader, SLastBlockReader
if (pBlockData->nRow > 0) {
// no last block available, only data block exists
if (pLastBlockReader->lastBlockData.nRow == 0 || (!hasDataInLastBlock(pLastBlockReader))) {
if (!hasDataInLastBlock(pLastBlockReader)) {
return mergeRowsInFileBlocks(pBlockData, pBlockScanInfo, key, pReader);
}
@ -1458,8 +1449,7 @@ static int32_t doMergeMultiLevelRows(STsdbReader* pReader, STableBlockScanInfo*
TSDBROW* piRow = getValidMemRow(&pBlockScanInfo->iiter, pDelList, pReader);
ASSERT(pRow != NULL && piRow != NULL);
SBlockData* pLastBlockData = &pLastBlockReader->lastBlockData;
int64_t tsLast = INT64_MIN;
int64_t tsLast = INT64_MIN;
if (hasDataInLastBlock(pLastBlockReader)) {
tsLast = getCurrentKeyInLastBlock(pLastBlockReader);
}
@ -1781,14 +1771,6 @@ static bool initLastBlockReader(SLastBlockReader* pLastBlockReader, uint64_t uid
}
pLastBlockReader->uid = uid;
if (*startPos == -1) {
if (ASCENDING_TRAVERSE(pLastBlockReader->order)) {
// do nothing
} else {
*startPos = pLastBlockReader->lastBlockData.nRow;
}
}
/*int32_t code = */ tMergeTreeOpen(&pLastBlockReader->mergeTree, (pLastBlockReader->order == TSDB_ORDER_DESC),
pFReader, uid, &pLastBlockReader->window, &pLastBlockReader->verRange);
bool hasVal = tMergeTreeNext(&pLastBlockReader->mergeTree);
@ -2535,7 +2517,7 @@ static int32_t buildBlockFromFiles(STsdbReader* pReader) {
bool hasNext = blockIteratorNext(&pReader->status.blockIter);
if (hasNext) { // check for the next block in the block accessed order list
initBlockDumpInfo(pReader, pBlockIter);
} else if (1/*taosArrayGetSize(pReader->status.fileIter.pLastBlockReader->pBlockL) > 0*/) {
} else if (hasDataInLastBlock(pReader->status.fileIter.pLastBlockReader)) {
// data blocks in current file are exhausted, let's try the next file now
tBlockDataReset(&pReader->status.fileBlockData);
resetDataBlockIterator(pBlockIter, pReader->order);
@ -3316,6 +3298,7 @@ void tsdbReaderClose(STsdbReader* pReader) {
taosMemoryFreeClear(pSupInfo->buildBuf[i]);
}
}
taosMemoryFree(pSupInfo->buildBuf);
tBlockDataDestroy(&pReader->status.fileBlockData, true);
@ -3333,7 +3316,6 @@ void tsdbReaderClose(STsdbReader* pReader) {
SFilesetIter* pFilesetIter = &pReader->status.fileIter;
if (pFilesetIter->pLastBlockReader != NULL) {
tBlockDataDestroy(&pFilesetIter->pLastBlockReader->lastBlockData, true);
taosMemoryFree(pFilesetIter->pLastBlockReader);
}