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

refactor: do some internal refactor.

This commit is contained in:
Haojun Liao 2023-04-25 10:48:21 +08:00
parent 6467b99a52
commit d8762b9bc9
2 changed files with 29 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
source/dnode/vnode/src/tsdb/tsdbMergeTree.c
View File

@ -261,8 +261,10 @@ int32_t tLDataIterOpen(struct SLDataIter *pIter, SDataFReader *pReader, int32_t
pIter->pReader = pReader;
pIter->iStt = iStt;
pIter->backward = backward;
pIter->verRange = *pRange;
pIter->timeWindow = *pTimeWindow;
pIter->verRange.minVer = pRange->minVer;
pIter->verRange.maxVer = pRange->maxVer;
pIter->timeWindow.skey = pTimeWindow->skey;
pIter->timeWindow.ekey = pTimeWindow->ekey;
pIter->pBlockLoadInfo = pBlockLoadInfo;

32
source/dnode/vnode/src/tsdb/tsdbRead.c
View File

@ -148,6 +148,7 @@ typedef struct STableUidList {
typedef struct SReaderStatus {
bool loadFromFile; // check file stage
bool composedDataBlock; // the returned data block is a composed block or not
bool mapDataCleaned; // mapData has been cleaned up alreay or not
SSHashObj* pTableMap; // SHash<STableBlockScanInfo>
STableBlockScanInfo** pTableIter; // table iterator used in building in-memory buffer data blocks.
STableUidList uidList; // check tables in uid order, to avoid the repeatly load of blocks in STT.
@ -875,7 +876,18 @@ _end:
return code;
}
static void cleanupTableScanInfo(SSHashObj* pTableMap) {
static void doCleanupTableScanInfo(STableBlockScanInfo* pScanInfo) {
// reset the index in last block when handing a new file
tMapDataClear(&pScanInfo->mapData);
taosArrayClear(pScanInfo->pBlockList);
}
static void cleanupTableScanInfo(SReaderStatus* pStatus) {
if (pStatus->mapDataCleaned) {
return;
}
SSHashObj* pTableMap = pStatus->pTableMap;
STableBlockScanInfo** px = NULL;
int32_t iter = 0;
@ -885,10 +897,10 @@ static void cleanupTableScanInfo(SSHashObj* pTableMap) {
break;
}
// reset the index in last block when handing a new file
tMapDataClear(&(*px)->mapData);
taosArrayClear((*px)->pBlockList);
doCleanupTableScanInfo(*px);
}
pStatus->mapDataCleaned = true;
}
static int32_t doLoadFileBlock(STsdbReader* pReader, SArray* pIndexList, SBlockNumber* pBlockNum, SArray* pTableScanInfoList) {
@ -896,8 +908,10 @@ static int32_t doLoadFileBlock(STsdbReader* pReader, SArray* pIndexList, SBlockN
size_t numOfTables = taosArrayGetSize(pIndexList);
int64_t st = taosGetTimestampUs();
cleanupTableScanInfo(pReader->status.pTableMap);
cleanupTableScanInfo(&pReader->status);
// set the flag for the new file
pReader->status.mapDataCleaned = false;
for (int32_t i = 0; i < numOfTables; ++i) {
SBlockIdx* pBlockIdx = taosArrayGet(pIndexList, i);
STableBlockScanInfo* pScanInfo = getTableBlockScanInfo(pReader->status.pTableMap, pBlockIdx->uid, pReader->idStr);
@ -3022,8 +3036,12 @@ static int32_t doLoadLastBlockSequentially(STsdbReader* pReader) {
// load the last data block of current table
STableBlockScanInfo* pScanInfo = *(STableBlockScanInfo**)pStatus->pTableIter;
bool hasVal = initLastBlockReader(pLastBlockReader, pScanInfo, pReader);
if (!hasVal) {
// reset the index in last block when handing a new file
doCleanupTableScanInfo(pScanInfo);
pStatus->mapDataCleaned = true;
bool hasDataInLastFile = initLastBlockReader(pLastBlockReader, pScanInfo, pReader);
if (!hasDataInLastFile) {
bool hasNexTable = moveToNextTable(pUidList, pStatus);
if (!hasNexTable) {
return TSDB_CODE_SUCCESS;