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fix(query): fix error for retrieve data only in last files.

This commit is contained in:
Haojun Liao 2023-01-09 19:26:39 +08:00
parent 4bfc2fab45
commit 16f0900fe9
1 changed files with 61 additions and 3 deletions
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64
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -2834,7 +2834,37 @@ static int32_t doBuildDataBlock(STsdbReader* pReader) {
TSDBKEY keyInBuf = getCurrentKeyInBuf(pScanInfo, pReader);
if (pBlockInfo == NULL) { // build data block from last data file
code = buildComposedDataBlock(pReader);
SBlockData* pBData = &pReader->status.fileBlockData;
tBlockDataReset(pBData);
SSDataBlock* pResBlock = pReader->pResBlock;
tsdbDebug("load data in last block firstly, due to desc scan data, %s", pReader->idStr);
int64_t st = taosGetTimestampUs();
while (1) {
bool hasBlockLData = hasDataInLastBlock(pLastBlockReader);
// no data in last block and block, no need to proceed.
if (hasBlockLData == false) {
break;
}
buildComposedDataBlockImpl(pReader, pScanInfo, &pReader->status.fileBlockData, pLastBlockReader);
if (pResBlock->info.rows >= pReader->capacity) {
break;
}
}
double el = (taosGetTimestampUs() - st) / 1000.0;
updateComposedBlockInfo(pReader, el, pScanInfo);
if (pResBlock->info.rows > 0) {
tsdbDebug("%p uid:%" PRIu64 ", composed data block created, brange:%" PRIu64 "-%" PRIu64
" rows:%d, elapsed time:%.2f ms %s",
pReader, pResBlock->info.id.uid, pResBlock->info.window.skey, pResBlock->info.window.ekey,
pResBlock->info.rows, el, pReader->idStr);
}
} else if (fileBlockShouldLoad(pReader, pBlockInfo, pBlock, pScanInfo, keyInBuf, pLastBlockReader)) {
code = doLoadFileBlockData(pReader, pBlockIter, &pStatus->fileBlockData, pScanInfo->uid);
if (code != TSDB_CODE_SUCCESS) {
@ -2853,10 +2883,38 @@ static int32_t doBuildDataBlock(STsdbReader* pReader) {
// only return the rows in last block
int64_t tsLast = getCurrentKeyInLastBlock(pLastBlockReader);
ASSERT(tsLast >= pBlock->maxKey.ts);
tBlockDataReset(&pReader->status.fileBlockData);
SBlockData* pBData = &pReader->status.fileBlockData;
tBlockDataReset(pBData);
SSDataBlock* pResBlock = pReader->pResBlock;
tsdbDebug("load data in last block firstly, due to desc scan data, %s", pReader->idStr);
code = buildComposedDataBlock(pReader);
int64_t st = taosGetTimestampUs();
while (1) {
bool hasBlockLData = hasDataInLastBlock(pLastBlockReader);
// no data in last block and block, no need to proceed.
if (hasBlockLData == false) {
break;
}
buildComposedDataBlockImpl(pReader, pScanInfo, &pReader->status.fileBlockData, pLastBlockReader);
if (pResBlock->info.rows >= pReader->capacity) {
break;
}
}
double el = (taosGetTimestampUs() - st) / 1000.0;
updateComposedBlockInfo(pReader, el, pScanInfo);
if (pResBlock->info.rows > 0) {
tsdbDebug("%p uid:%" PRIu64 ", composed data block created, brange:%" PRIu64 "-%" PRIu64
" rows:%d, elapsed time:%.2f ms %s",
pReader, pResBlock->info.id.uid, pResBlock->info.window.skey, pResBlock->info.window.ekey,
pResBlock->info.rows, el, pReader->idStr);
}
} else { // whole block is required, return it directly
SDataBlockInfo* pInfo = &pReader->pResBlock->info;
pInfo->rows = pBlock->nRow;