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[td-225] add the stop check during scan files

This commit is contained in:
Haojun Liao 2020-07-20 12:32:58 +08:00
parent 5a448cd9a3
commit 9213011d18
4 changed files with 26 additions and 17 deletions
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1
src/query/inc/qResultbuf.h
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@ -87,7 +87,6 @@ SIDList getDataBufPagesIdList(SDiskbasedResultBuf* pResultBuf, int32_t groupId);
* @param id
* @return
*/
//#define getResBufPage(buf, id) ((tFilePage*)((buf)->pBuf + (buf)->pageSize * (id)))
static FORCE_INLINE tFilePage* getResBufPage(SDiskbasedResultBuf* pResultBuf, int32_t id) {
if (id < pResultBuf->inMemPages) {
return (tFilePage*) ((char*) pResultBuf->iBuf + id * pResultBuf->pageSize);

1
src/tsdb/inc/tsdbMain.h
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@ -426,6 +426,7 @@ int tsdbUpdateFileHeader(SFile* pFile, uint32_t version);
int tsdbEncodeSFileInfo(void** buf, const STsdbFileInfo* pInfo);
void* tsdbDecodeSFileInfo(void* buf, STsdbFileInfo* pInfo);
void tsdbRemoveFileGroup(STsdbRepo* pRepo, SFileGroup* pFGroup);
void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey);
// ------------------ tsdbRWHelper.c
#define TSDB_HELPER_CLEAR_STATE 0x0 // Clear state

3
src/tsdb/src/tsdbMemTable.c
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@ -31,7 +31,6 @@ static int tsdbCommitMeta(STsdbRepo *pRepo);
static void tsdbEndCommit(STsdbRepo *pRepo);
static int tsdbHasDataToCommit(SCommitIter *iters, int nIters, TSKEY minKey, TSKEY maxKey);
static int tsdbCommitToFile(STsdbRepo *pRepo, int fid, SCommitIter *iters, SRWHelper *pHelper, SDataCols *pDataCols);
static void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey);
static SCommitIter *tsdbCreateCommitIters(STsdbRepo *pRepo);
static void tsdbDestroyCommitIters(SCommitIter *iters, int maxTables);
@ -544,7 +543,7 @@ static int tsdbHasDataToCommit(SCommitIter *iters, int nIters, TSKEY minKey, TSK
return 0;
}
static void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey) {
void tsdbGetFidKeyRange(int daysPerFile, int8_t precision, int fileId, TSKEY *minKey, TSKEY *maxKey) {
*minKey = fileId * daysPerFile * tsMsPerDay[precision];
*maxKey = *minKey + daysPerFile * tsMsPerDay[precision] - 1;
}

38
src/tsdb/src/tsdbRead.c
View File

@ -128,8 +128,7 @@ typedef struct STsdbQueryHandle {
static void changeQueryHandleForLastrowQuery(TsdbQueryHandleT pqHandle);
static void changeQueryHandleForInterpQuery(TsdbQueryHandleT pHandle);
static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock,
SArray* sa);
static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock);
static int32_t binarySearchForKey(char* pValue, int num, TSKEY key, int order);
static int tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int maxRowsToRead, STimeWindow* win,
STsdbQueryHandle* pQueryHandle);
@ -695,7 +694,7 @@ static void handleDataMergeIfNeeded(STsdbQueryHandle* pQueryHandle, SCompBlock*
}
doLoadFileDataBlock(pQueryHandle, pBlock, pCheckInfo);
doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock, pQueryHandle->defaultLoadColumn);
doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock);
} else {
/*
* no data in cache, only load data from file
@ -711,6 +710,7 @@ static void handleDataMergeIfNeeded(STsdbQueryHandle* pQueryHandle, SCompBlock*
cur->mixBlock = false;
cur->blockCompleted = true;
cur->lastKey = binfo.window.ekey + (ASCENDING_TRAVERSE(pQueryHandle->order)? 1:-1);
pCheckInfo->lastKey = cur->lastKey;
}
}
@ -734,7 +734,7 @@ static bool loadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlock
cur->pos = 0;
}
doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock, pQueryHandle->defaultLoadColumn);
doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock);
} else { // the whole block is loaded in to buffer
handleDataMergeIfNeeded(pQueryHandle, pBlock, pCheckInfo);
}
@ -751,7 +751,7 @@ static bool loadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlock
cur->pos = pBlock->numOfRows - 1;
}
doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock, pQueryHandle->defaultLoadColumn);
doMergeTwoLevelData(pQueryHandle, pCheckInfo, pBlock);
} else {
handleDataMergeIfNeeded(pQueryHandle, pBlock, pCheckInfo);
}
@ -907,12 +907,12 @@ static int32_t copyDataFromFileBlock(STsdbQueryHandle* pQueryHandle, int32_t cap
pQueryHandle->cur.win.ekey = tsArray[end];
pQueryHandle->cur.lastKey = tsArray[end] + step;
return numOfRows + num;
}
static void copyOneRowFromMem(STsdbQueryHandle* pQueryHandle, int32_t capacity, int32_t numOfRows, SDataRow row,
STsdbMeta *pMeta, int32_t numOfCols, STable* pTable) {
int32_t numOfCols, STable* pTable) {
char* pData = NULL;
// the schema version info is embeded in SDataRow
@ -973,8 +973,7 @@ static void copyOneRowFromMem(STsdbQueryHandle* pQueryHandle, int32_t capacity,
// only return the qualified data to client in terms of query time window, data rows in the same block but do not
// be included in the query time window will be discarded
static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock,
SArray* sa) {
static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo* pCheckInfo, SCompBlock* pBlock) {
SQueryFilePos* cur = &pQueryHandle->cur;
SDataBlockInfo blockInfo = GET_FILE_DATA_BLOCK_INFO(pCheckInfo, pBlock);
@ -987,7 +986,6 @@ static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo*
int32_t step = ASCENDING_TRAVERSE(pQueryHandle->order)? 1:-1;
int32_t numOfCols = taosArrayGetSize(pQueryHandle->pColumns);
STsdbMeta* pMeta = tsdbGetMeta(pQueryHandle->pTsdb);
STable* pTable = pCheckInfo->pTableObj;
int32_t endPos = cur->pos;
@ -1066,7 +1064,7 @@ static void doMergeTwoLevelData(STsdbQueryHandle* pQueryHandle, STableCheckInfo*
if ((key < tsArray[pos] && ASCENDING_TRAVERSE(pQueryHandle->order)) ||
(key > tsArray[pos] && !ASCENDING_TRAVERSE(pQueryHandle->order))) {
copyOneRowFromMem(pQueryHandle, pQueryHandle->outputCapacity, numOfRows, row, pMeta, numOfCols, pTable);
copyOneRowFromMem(pQueryHandle, pQueryHandle->outputCapacity, numOfRows, row, numOfCols, pTable);
numOfRows += 1;
if (cur->win.skey == TSKEY_INITIAL_VAL) {
cur->win.skey = key;
@ -1406,8 +1404,21 @@ static int32_t getDataBlocksInFilesImpl(STsdbQueryHandle* pQueryHandle, bool* ex
int32_t numOfBlocks = 0;
int32_t numOfTables = taosArrayGetSize(pQueryHandle->pTableCheckInfo);
STsdbCfg* pCfg = &pQueryHandle->pTsdb->config;
STimeWindow win = TSWINDOW_INITIALIZER;
while ((pQueryHandle->pFileGroup = tsdbGetFileGroupNext(&pQueryHandle->fileIter)) != NULL) {
tsdbGetFidKeyRange(pCfg->daysPerFile, pCfg->precision, pQueryHandle->pFileGroup->fileId, &win.skey, &win.ekey);
// current file are not overlapped with query time window, ignore remain files
if ((ASCENDING_TRAVERSE(pQueryHandle->order) && win.skey > pQueryHandle->window.ekey) ||
(!ASCENDING_TRAVERSE(pQueryHandle->order) && win.ekey < pQueryHandle->window.ekey)) {
tsdbDebug("%p remain files are not qualified for qrange:%"PRId64"-%"PRId64", ignore, %p", pQueryHandle, pQueryHandle->window.skey, pQueryHandle->window.ekey, pQueryHandle->qinfo)
pQueryHandle->pFileGroup = NULL;
break;
}
if ((code = getFileCompInfo(pQueryHandle, &numOfBlocks)) != TSDB_CODE_SUCCESS) {
break;
}
@ -1765,7 +1776,6 @@ static int tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int
win->skey = TSKEY_INITIAL_VAL;
int64_t st = taosGetTimestampUs();
STsdbMeta* pMeta = tsdbGetMeta(pQueryHandle->pTsdb);
STable* pTable = pCheckInfo->pTableObj;
do {
@ -1787,7 +1797,7 @@ static int tsdbReadRowsFromCache(STableCheckInfo* pCheckInfo, TSKEY maxKey, int
}
win->ekey = key;
copyOneRowFromMem(pQueryHandle, maxRowsToRead, numOfRows, row, pMeta, numOfCols, pTable);
copyOneRowFromMem(pQueryHandle, maxRowsToRead, numOfRows, row, numOfCols, pTable);
if (++numOfRows >= maxRowsToRead) {
moveToNextRowInMem(pCheckInfo);