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tsdb/cache: relayout cache row reader

This commit is contained in:
Minglei Jin 2023-07-17 14:16:54 +08:00
parent 8263c49c17
commit 9b0b4061e0
5 changed files with 161 additions and 130 deletions
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20
source/dnode/vnode/src/inc/tsdb.h
View File

@ -833,9 +833,25 @@ void *destroyLastBlockLoadInfo(SSttBlockLoadInfo *pLoadInfo);
void *destroySttBlockReader(SArray *pLDataIterArray, int64_t *blocks, double *el);
// tsdbCache ==============================================================================================
typedef enum {
READ_MODE_COUNT_ONLY = 0x1,
READ_MODE_ALL,
} EReadMode;
typedef struct STsdbReaderInfo {
uint64_t suid;
STSchema *pSchema;
EReadMode readMode;
uint64_t rowsNum;
STimeWindow window;
SVersionRange verRange;
int16_t order;
} STsdbReaderInfo;
typedef struct SCacheRowsReader {
STsdb *pTsdb;
SVersionRange verRange;
STsdb *pTsdb;
STsdbReaderInfo info;
// SVersionRange verRange;
TdThreadMutex readerMutex;
SVnode *pVnode;
STSchema *pSchema;

100
source/dnode/vnode/src/tsdb/tsdbCache.c
View File

@ -1720,6 +1720,42 @@ typedef struct {
SMergeTree *pMergeTree;
} SFSLastIter;
static int32_t lastIterOpen(SFSLastIter *iter, STFileSet *pFileSet, STsdb *pTsdb, STSchema *pTSchema, tb_uid_t suid,
tb_uid_t uid, SCacheRowsReader *pr, int64_t lastTs, int16_t *aCols, int nCols) {
int32_t code = 0;
int64_t loadBlocks = 0;
double elapse = 0;
pr->pLDataIterArray = destroySttBlockReader(pr->pLDataIterArray, &loadBlocks, &elapse);
pr->pLDataIterArray = taosArrayInit(4, POINTER_BYTES);
SMergeTreeConf conf = {
.uid = uid,
.suid = suid,
.pTsdb = pTsdb,
.timewindow = (STimeWindow){.skey = lastTs, .ekey = TSKEY_MAX},
.verRange = (SVersionRange){.minVer = 0, .maxVer = UINT64_MAX},
.strictTimeRange = false,
.pSchema = pTSchema,
.pCurrentFileset = pFileSet,
.backward = 1,
.pSttFileBlockIterArray = pr->pLDataIterArray,
.pCols = aCols,
.numOfCols = nCols,
.pReader = pr,
.idstr = pr->idstr,
};
code = tMergeTreeOpen2(&iter->mergeTree, &conf);
if (code != TSDB_CODE_SUCCESS) {
return -1;
}
iter->pMergeTree = &iter->mergeTree;
return code;
}
static int32_t lastIterClose(SFSLastIter **iter) {
int32_t code = 0;
@ -1733,43 +1769,9 @@ static int32_t lastIterClose(SFSLastIter **iter) {
return code;
}
static int32_t lastIterNext(SFSLastIter *iter, TSDBROW **ppRow, STsdb *pTsdb, STSchema *pTSchema, tb_uid_t suid,
tb_uid_t uid, SCacheRowsReader *pr, int64_t lastTs, STFileSet *pFileSet, int16_t *aCols,
int nCols) {
static int32_t lastIterNext(SFSLastIter *iter, TSDBROW **ppRow) {
int32_t code = 0;
if (!iter->pMergeTree) {
int64_t loadBlocks = 0;
double elapse = 0;
pr->pLDataIterArray = destroySttBlockReader(pr->pLDataIterArray, &loadBlocks, &elapse);
pr->pLDataIterArray = taosArrayInit(4, POINTER_BYTES);
SMergeTreeConf conf = {
.uid = uid,
.suid = suid,
.pTsdb = pTsdb,
.timewindow = (STimeWindow){.skey = lastTs, .ekey = TSKEY_MAX},
.verRange = (SVersionRange){.minVer = 0, .maxVer = UINT64_MAX},
.strictTimeRange = false,
.pSchema = pTSchema,
.pCurrentFileset = pFileSet,
.backward = 1,
.pSttFileBlockIterArray = pr->pLDataIterArray,
.pCols = aCols,
.numOfCols = nCols,
.pReader = pr,
.idstr = pr->idstr,
};
code = tMergeTreeOpen2(&iter->mergeTree, &conf);
if (code != TSDB_CODE_SUCCESS) {
return -1;
}
iter->pMergeTree = &iter->mergeTree;
}
// retrieve next row
bool hasVal = tMergeTreeNext(iter->pMergeTree);
if (!hasVal) {
*ppRow = NULL;
@ -1823,6 +1825,17 @@ typedef struct SFSNextRowIter {
struct CacheNextRowIter *pRowIter;
} SFSNextRowIter;
static void clearLastFileSet(SFSNextRowIter *state) {
if (state->pLastIter) {
lastIterClose(&state->pLastIter);
}
if (state->pBlockData) {
tBlockDataDestroy(state->pBlockData);
state->pBlockData = NULL;
}
}
static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow, bool *pIgnoreEarlierTs, bool isLast, int16_t *aCols,
int nCols) {
SFSNextRowIter *state = (SFSNextRowIter *)iter;
@ -1837,8 +1850,11 @@ static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow, bool *pIgnoreEarlie
if (SFSNEXTROW_FILESET == state->state) {
_next_fileset:
if (--state->iFileSet < 0) { // no fileset left, cleanup and return NULL row
if (--state->iFileSet < 0) {
clearLastFileSet(state);
*ppRow = NULL;
return code;
} else {
state->pFileSet = TARRAY2_GET(state->aDFileSet, state->iFileSet);
}
@ -1872,9 +1888,16 @@ static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow, bool *pIgnoreEarlie
goto _err;
}
// TODO: load tomb data from data and sttt
code = lastIterOpen(&state->lastIter, state->pFileSet, state->pTsdb, state->pTSchema, state->suid, state->uid,
state->pr, state->lastTs, aCols, nCols);
if (code != TSDB_CODE_SUCCESS) {
goto _err;
}
state->pLastIter = &state->lastIter;
// TODO: load tomb data from data and stt
if (!state->pIndexList) {
state->pIndexList = taosArrayInit(1, sizeof(SBrinBlk));
} else {
@ -1990,8 +2013,7 @@ static int32_t getNextRowFromFS(void *iter, TSDBROW **ppRow, bool *pIgnoreEarlie
if (!state->pLastRow) {
// get next row from fslast and process with fs row, --state->Row if select fs row
code = lastIterNext(&state->lastIter, &state->pLastRow, state->pTsdb, state->pTSchema, state->suid, state->uid,
state->pr, state->lastTs, state->pFileSet, aCols, nCols);
code = lastIterNext(&state->lastIter, &state->pLastRow);
if (code != TSDB_CODE_SUCCESS) {
goto _err;
}

2
source/dnode/vnode/src/tsdb/tsdbCacheRead.c
View File

@ -143,7 +143,7 @@ int32_t tsdbCacherowsReaderOpen(void* pVnode, int32_t type, void* pTableIdList,
p->type = type;
p->pVnode = pVnode;
p->pTsdb = p->pVnode->pTsdb;
p->verRange = (SVersionRange){.minVer = 0, .maxVer = UINT64_MAX};
p->info.verRange = (SVersionRange){.minVer = 0, .maxVer = UINT64_MAX};
p->numOfCols = numOfCols;
p->pCidList = pCidList;
p->pSlotIds = pSlotIds;

154
source/dnode/vnode/src/tsdb/tsdbRead.c
View File

@ -17,7 +17,7 @@
#include "tsdb.h"
#include "tsimplehash.h"
#define ASCENDING_TRAVERSE(o) (o == TSDB_ORDER_ASC)
#define ASCENDING_TRAVERSE(o) (o == TSDB_ORDER_ASC)
#define getCurrentKeyInLastBlock(_r) ((_r)->currentKey)
typedef enum {
@ -30,12 +30,12 @@ typedef enum {
EXTERNAL_ROWS_MAIN = 0x2,
EXTERNAL_ROWS_NEXT = 0x3,
} EContentData;
/*
typedef enum {
READ_MODE_COUNT_ONLY = 0x1,
READ_MODE_ALL,
} EReadMode;
*/
typedef struct {
STbDataIter* iter;
int32_t index;
@ -166,7 +166,7 @@ typedef struct SReaderStatus {
SDataBlockIter blockIter;
SLDataIter* pLDataIter;
SRowMerger merger;
SColumnInfoData* pPrimaryTsCol; // primary time stamp output col info data
SColumnInfoData* pPrimaryTsCol; // primary time stamp output col info data
} SReaderStatus;
typedef struct SBlockInfoBuf {
@ -292,7 +292,7 @@ static int32_t updateBlockSMAInfo(STSchema* pSchema, SBlockLoadSuppInfo* pSupInf
if (j < pSupInfo->numOfCols && PRIMARYKEY_TIMESTAMP_COL_ID == pSupInfo->colId[j]) {
j += 1;
}
while (i < pSchema->numOfCols && j < pSupInfo->numOfCols) {
STColumn* pTCol = &pSchema->columns[i];
if (pTCol->colId == pSupInfo->colId[j]) {
@ -410,7 +410,7 @@ static int32_t uidComparFunc(const void* p1, const void* p2) {
// NOTE: speedup the whole processing by preparing the buffer for STableBlockScanInfo in batch model
static SSHashObj* createDataBlockScanInfo(STsdbReader* pTsdbReader, SBlockInfoBuf* pBuf, const STableKeyInfo* idList,
STableUidList* pUidList, int32_t numOfTables) {
STableUidList* pUidList, int32_t numOfTables) {
// allocate buffer in order to load data blocks from file
// todo use simple hash instead, optimize the memory consumption
SSHashObj* pTableMap = tSimpleHashInit(numOfTables, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT));
@ -461,7 +461,7 @@ static SSHashObj* createDataBlockScanInfo(STsdbReader* pTsdbReader, SBlockInfoBu
}
static void resetAllDataBlockScanInfo(SSHashObj* pTableMap, int64_t ts, int32_t step) {
void *p = NULL;
void* p = NULL;
int32_t iter = 0;
while ((p = tSimpleHashIterate(pTableMap, p, &iter)) != NULL) {
@ -505,7 +505,7 @@ static void clearBlockScanInfo(STableBlockScanInfo* p) {
}
static void destroyAllBlockScanInfo(SSHashObj* pTableMap) {
void* p = NULL;
void* p = NULL;
int32_t iter = 0;
while ((p = tSimpleHashIterate(pTableMap, p, &iter)) != NULL) {
@ -743,7 +743,8 @@ void tsdbReleaseDataBlock(STsdbReader* pReader) {
}
}
static int32_t initResBlockInfo(SResultBlockInfo* pResBlockInfo, int64_t capacity, SSDataBlock* pResBlock, SQueryTableDataCond* pCond) {
static int32_t initResBlockInfo(SResultBlockInfo* pResBlockInfo, int64_t capacity, SSDataBlock* pResBlock,
SQueryTableDataCond* pCond) {
pResBlockInfo->capacity = capacity;
pResBlockInfo->pResBlock = pResBlock;
terrno = 0;
@ -921,9 +922,9 @@ static void cleanupTableScanInfo(SReaderStatus* pStatus) {
return;
}
SSHashObj* pTableMap = pStatus->pTableMap;
SSHashObj* pTableMap = pStatus->pTableMap;
STableBlockScanInfo** px = NULL;
int32_t iter = 0;
int32_t iter = 0;
while (1) {
px = tSimpleHashIterate(pTableMap, px, &iter);
@ -937,9 +938,10 @@ static void cleanupTableScanInfo(SReaderStatus* pStatus) {
pStatus->mapDataCleaned = true;
}
static int32_t doLoadFileBlock(STsdbReader* pReader, SArray* pIndexList, SBlockNumber* pBlockNum, SArray* pTableScanInfoList) {
size_t sizeInDisk = 0;
size_t numOfTables = taosArrayGetSize(pIndexList);
static int32_t doLoadFileBlock(STsdbReader* pReader, SArray* pIndexList, SBlockNumber* pBlockNum,
SArray* pTableScanInfoList) {
size_t sizeInDisk = 0;
size_t numOfTables = taosArrayGetSize(pIndexList);
int64_t st = taosGetTimestampUs();
cleanupTableScanInfo(&pReader->status);
@ -1125,18 +1127,18 @@ static int32_t getEndPosInDataBlock(STsdbReader* pReader, SBlockData* pBlockData
endPos = doBinarySearchKey(pBlockData->aTSKEY, pBlock->nRow, pos, key, pReader->order);
}
if ((pReader->verRange.maxVer >= pBlock->minVer && pReader->verRange.maxVer < pBlock->maxVer)||
if ((pReader->verRange.maxVer >= pBlock->minVer && pReader->verRange.maxVer < pBlock->maxVer) ||
(pReader->verRange.minVer <= pBlock->maxVer && pReader->verRange.minVer > pBlock->minVer)) {
int32_t i = endPos;
if (asc) {
for(; i >= 0; --i) {
for (; i >= 0; --i) {
if (pBlockData->aVersion[i] <= pReader->verRange.maxVer) {
break;
}
}
} else {
for(; i < pBlock->nRow; ++i) {
for (; i < pBlock->nRow; ++i) {
if (pBlockData->aVersion[i] >= pReader->verRange.minVer) {
break;
}
@ -1309,17 +1311,17 @@ static int32_t copyBlockDataToSDataBlock(STsdbReader* pReader) {
ASSERT(pReader->verRange.minVer <= pBlock->maxVer && pReader->verRange.maxVer >= pBlock->minVer);
// find the appropriate start position that satisfies the version requirement.
if ((pReader->verRange.maxVer >= pBlock->minVer && pReader->verRange.maxVer < pBlock->maxVer)||
if ((pReader->verRange.maxVer >= pBlock->minVer && pReader->verRange.maxVer < pBlock->maxVer) ||
(pReader->verRange.minVer <= pBlock->maxVer && pReader->verRange.minVer > pBlock->minVer)) {
int32_t i = pDumpInfo->rowIndex;
if (asc) {
for(; i < pBlock->nRow; ++i) {
for (; i < pBlock->nRow; ++i) {
if (pBlockData->aVersion[i] >= pReader->verRange.minVer) {
break;
}
}
} else {
for(; i >= 0; --i) {
for (; i >= 0; --i) {
if (pBlockData->aVersion[i] <= pReader->verRange.maxVer) {
break;
}
@ -1562,7 +1564,8 @@ static int32_t doSetCurrentBlock(SDataBlockIter* pBlockIter, const char* idStr)
return TSDB_CODE_SUCCESS;
}
static int32_t initBlockIterator(STsdbReader* pReader, SDataBlockIter* pBlockIter, int32_t numOfBlocks, SArray* pTableList) {
static int32_t initBlockIterator(STsdbReader* pReader, SDataBlockIter* pBlockIter, int32_t numOfBlocks,
SArray* pTableList) {
bool asc = ASCENDING_TRAVERSE(pReader->order);
SBlockOrderSupporter sup = {0};
@ -1967,13 +1970,14 @@ static bool nextRowFromLastBlocks(SLastBlockReader* pLastBlockReader, STableBloc
}
TSDBROW* pRow = tMergeTreeGetRow(&pLastBlockReader->mergeTree);
int64_t key = pRow->pBlockData->aTSKEY[pRow->iRow];
int64_t ver = pRow->pBlockData->aVersion[pRow->iRow];
int64_t key = pRow->pBlockData->aTSKEY[pRow->iRow];
int64_t ver = pRow->pBlockData->aVersion[pRow->iRow];
pLastBlockReader->currentKey = key;
pScanInfo->lastKeyInStt = key;
if (!hasBeenDropped(pScanInfo->delSkyline, &pScanInfo->lastBlockDelIndex, key, ver, pLastBlockReader->order, pVerRange)) {
if (!hasBeenDropped(pScanInfo->delSkyline, &pScanInfo->lastBlockDelIndex, key, ver, pLastBlockReader->order,
pVerRange)) {
return true;
}
}
@ -2030,7 +2034,7 @@ static FORCE_INLINE STSchema* doGetSchemaForTSRow(int32_t sversion, STsdbReader*
}
STSchema* ptr = NULL;
int32_t code = metaGetTbTSchemaEx(pReader->pTsdb->pVnode->pMeta, pReader->suid, uid, sversion, &ptr);
int32_t code = metaGetTbTSchemaEx(pReader->pTsdb->pVnode->pMeta, pReader->suid, uid, sversion, &ptr);
if (code != TSDB_CODE_SUCCESS) {
terrno = code;
return NULL;
@ -2153,7 +2157,7 @@ static int32_t doMergeBufAndFileRows(STsdbReader* pReader, STableBlockScanInfo*
return terrno;
}
int32_t code = tsdbRowMergerAdd(pMerger, pRow, pSchema);
int32_t code = tsdbRowMergerAdd(pMerger, pRow, pSchema);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
@ -2208,7 +2212,7 @@ static int32_t doMergeBufAndFileRows(STsdbReader* pReader, STableBlockScanInfo*
static int32_t doMergeFileBlockAndLastBlock(SLastBlockReader* pLastBlockReader, STsdbReader* pReader,
STableBlockScanInfo* pBlockScanInfo, SBlockData* pBlockData,
bool mergeBlockData) {
SRowMerger* pMerger = &pReader->status.merger;
SRowMerger* pMerger = &pReader->status.merger;
SFileBlockDumpInfo* pDumpInfo = &pReader->status.fBlockDumpInfo;
int64_t tsLastBlock = getCurrentKeyInLastBlock(pLastBlockReader);
@ -2218,9 +2222,10 @@ static int32_t doMergeFileBlockAndLastBlock(SLastBlockReader* pLastBlockReader,
TSDBROW* pRow = tMergeTreeGetRow(&pLastBlockReader->mergeTree);
// create local variable to hold the row value
TSDBROW fRow = {.iRow = pRow->iRow, .type = TSDBROW_COL_FMT, .pBlockData = pRow->pBlockData};
TSDBROW fRow = {.iRow = pRow->iRow, .type = TSDBROW_COL_FMT, .pBlockData = pRow->pBlockData};
tsdbTrace("fRow ptr:%p, %d, uid:%" PRIu64 ", %s", pRow->pBlockData, pRow->iRow, pLastBlockReader->uid, pReader->idStr);
tsdbTrace("fRow ptr:%p, %d, uid:%" PRIu64 ", %s", pRow->pBlockData, pRow->iRow, pLastBlockReader->uid,
pReader->idStr);
// only last block exists
if ((!mergeBlockData) || (tsLastBlock != pBlockData->aTSKEY[pDumpInfo->rowIndex])) {
@ -2240,7 +2245,8 @@ static int32_t doMergeFileBlockAndLastBlock(SLastBlockReader* pLastBlockReader,
TSDBROW* pRow1 = tMergeTreeGetRow(&pLastBlockReader->mergeTree);
tsdbRowMergerAdd(pMerger, pRow1, NULL);
doMergeRowsInLastBlock(pLastBlockReader, pBlockScanInfo, tsLastBlock, pMerger, &pReader->verRange, pReader->idStr);
doMergeRowsInLastBlock(pLastBlockReader, pBlockScanInfo, tsLastBlock, pMerger, &pReader->verRange,
pReader->idStr);
code = tsdbRowMergerGetRow(pMerger, &pTSRow);
if (code != TSDB_CODE_SUCCESS) {
@ -2290,7 +2296,7 @@ static int32_t doMergeFileBlockAndLastBlock(SLastBlockReader* pLastBlockReader,
static int32_t mergeFileBlockAndLastBlock(STsdbReader* pReader, SLastBlockReader* pLastBlockReader, int64_t key,
STableBlockScanInfo* pBlockScanInfo, SBlockData* pBlockData) {
SFileBlockDumpInfo* pDumpInfo = &pReader->status.fBlockDumpInfo;
SRowMerger* pMerger = &pReader->status.merger;
SRowMerger* pMerger = &pReader->status.merger;
// merge is not initialized yet, due to the fact that the pReader->pSchema is not initialized
if (pMerger->pArray == NULL) {
@ -2316,7 +2322,7 @@ static int32_t mergeFileBlockAndLastBlock(STsdbReader* pReader, SLastBlockReader
if (key < ts) { // imem, mem are all empty, file blocks (data blocks and last block) exist
return mergeRowsInFileBlocks(pBlockData, pBlockScanInfo, key, pReader);
} else if (key == ts) {
SRow* pTSRow = NULL;
SRow* pTSRow = NULL;
int32_t code = tsdbRowMergerAdd(pMerger, &fRow, pReader->pSchema);
if (code != TSDB_CODE_SUCCESS) {
return code;
@ -2723,7 +2729,7 @@ int32_t mergeRowsInFileBlocks(SBlockData* pBlockData, STableBlockScanInfo* pBloc
} else {
TSDBROW fRow = tsdbRowFromBlockData(pBlockData, pDumpInfo->rowIndex);
SRow* pTSRow = NULL;
SRow* pTSRow = NULL;
code = tsdbRowMergerAdd(pMerger, &fRow, pReader->pSchema);
if (code != TSDB_CODE_SUCCESS) {
return code;
@ -2837,11 +2843,11 @@ static int32_t buildComposedDataBlock(STsdbReader* pReader) {
SFileDataBlockInfo* pBlockInfo = getCurrentBlockInfo(&pReader->status.blockIter);
SLastBlockReader* pLastBlockReader = pReader->status.fileIter.pLastBlockReader;
bool asc = ASCENDING_TRAVERSE(pReader->order);
int64_t st = taosGetTimestampUs();
int32_t step = asc ? 1 : -1;
double el = 0;
SDataBlk* pBlock = getCurrentBlock(&pReader->status.blockIter);
bool asc = ASCENDING_TRAVERSE(pReader->order);
int64_t st = taosGetTimestampUs();
int32_t step = asc ? 1 : -1;
double el = 0;
SDataBlk* pBlock = getCurrentBlock(&pReader->status.blockIter);
SFileBlockDumpInfo* pDumpInfo = &pReader->status.fBlockDumpInfo;
STableBlockScanInfo* pBlockScanInfo = NULL;
@ -2874,7 +2880,8 @@ static int32_t buildComposedDataBlock(STsdbReader* pReader) {
}
} else { // file blocks not exist
pBlockScanInfo = *pReader->status.pTableIter;
if (pReader->pIgnoreTables && taosHashGet(*pReader->pIgnoreTables, &pBlockScanInfo->uid, sizeof(pBlockScanInfo->uid))) {
if (pReader->pIgnoreTables &&
taosHashGet(*pReader->pIgnoreTables, &pBlockScanInfo->uid, sizeof(pBlockScanInfo->uid))) {
setBlockAllDumped(pDumpInfo, pBlock->maxKey.ts, pReader->order);
return code;
}
@ -3238,7 +3245,7 @@ static int32_t doLoadLastBlockSequentially(STsdbReader* pReader) {
}
static int32_t doBuildDataBlock(STsdbReader* pReader) {
int32_t code = TSDB_CODE_SUCCESS;
int32_t code = TSDB_CODE_SUCCESS;
SReaderStatus* pStatus = &pReader->status;
SDataBlockIter* pBlockIter = &pStatus->blockIter;
@ -3261,7 +3268,6 @@ static int32_t doBuildDataBlock(STsdbReader* pReader) {
return terrno;
}
initLastBlockReader(pLastBlockReader, pScanInfo, pReader);
TSDBKEY keyInBuf = getCurrentKeyInBuf(pScanInfo, pReader);
@ -3338,7 +3344,7 @@ static int32_t doBuildDataBlock(STsdbReader* pReader) {
}
}
return (pReader->code != TSDB_CODE_SUCCESS)? pReader->code:code;
return (pReader->code != TSDB_CODE_SUCCESS) ? pReader->code : code;
}
static int32_t doSumFileBlockRows(STsdbReader* pReader, SDataFReader* pFileReader) {
@ -3493,14 +3499,15 @@ static int32_t buildBlockFromBufferSequentially(STsdbReader* pReader) {
}
STableBlockScanInfo** pBlockScanInfo = pStatus->pTableIter;
if (pReader->pIgnoreTables && taosHashGet(*pReader->pIgnoreTables, &(*pBlockScanInfo)->uid, sizeof((*pBlockScanInfo)->uid))) {
if (pReader->pIgnoreTables &&
taosHashGet(*pReader->pIgnoreTables, &(*pBlockScanInfo)->uid, sizeof((*pBlockScanInfo)->uid))) {
bool hasNexTable = moveToNextTable(pUidList, pStatus);
if (!hasNexTable) {
return TSDB_CODE_SUCCESS;
}
pBlockScanInfo = pStatus->pTableIter;
}
initMemDataIterator(*pBlockScanInfo, pReader);
int64_t endKey = (ASCENDING_TRAVERSE(pReader->order)) ? INT64_MAX : INT64_MIN;
@ -3544,7 +3551,7 @@ static void initBlockDumpInfo(STsdbReader* pReader, SDataBlockIter* pBlockIter)
static int32_t initForFirstBlockInFile(STsdbReader* pReader, SDataBlockIter* pBlockIter) {
SBlockNumber num = {0};
SArray* pTableList = taosArrayInit(40, POINTER_BYTES);
SArray* pTableList = taosArrayInit(40, POINTER_BYTES);
int32_t code = moveToNextFile(pReader, &num, pTableList);
if (code != TSDB_CODE_SUCCESS) {
@ -3589,7 +3596,7 @@ static ERetrieveType doReadDataFromLastFiles(STsdbReader* pReader) {
SSDataBlock* pResBlock = pReader->resBlockInfo.pResBlock;
SDataBlockIter* pBlockIter = &pReader->status.blockIter;
while(1) {
while (1) {
terrno = 0;
code = doLoadLastBlockSequentially(pReader);
@ -3612,7 +3619,7 @@ static ERetrieveType doReadDataFromLastFiles(STsdbReader* pReader) {
return TSDB_READ_RETURN;
}
if (pBlockIter->numOfBlocks > 0) { // there are data blocks existed.
if (pBlockIter->numOfBlocks > 0) { // there are data blocks existed.
return TSDB_READ_CONTINUE;
} else { // all blocks in data file are checked, let's check the data in last files
resetTableListIndex(&pReader->status);
@ -3625,7 +3632,7 @@ static int32_t buildBlockFromFiles(STsdbReader* pReader) {
bool asc = ASCENDING_TRAVERSE(pReader->order);
SDataBlockIter* pBlockIter = &pReader->status.blockIter;
SSDataBlock* pResBlock = pReader->resBlockInfo.pResBlock;
SSDataBlock* pResBlock = pReader->resBlockInfo.pResBlock;
if (pBlockIter->numOfBlocks == 0) {
// let's try to extract data from stt files.
@ -3737,13 +3744,14 @@ SVersionRange getQueryVerRange(SVnode* pVnode, SQueryTableDataCond* pCond, const
endVer = (pCond->endVersion > pVnode->state.applied) ? pVnode->state.applied : pCond->endVersion;
}
tsdbDebug("queried verRange:%"PRId64"-%"PRId64", revised query verRange:%"PRId64"-%"PRId64", %s", pCond->startVersion,
pCond->endVersion, startVer, endVer, id);
tsdbDebug("queried verRange:%" PRId64 "-%" PRId64 ", revised query verRange:%" PRId64 "-%" PRId64 ", %s",
pCond->startVersion, pCond->endVersion, startVer, endVer, id);
return (SVersionRange){.minVer = startVer, .maxVer = endVer};
}
bool hasBeenDropped(const SArray* pDelList, int32_t* index, int64_t key, int64_t ver, int32_t order, SVersionRange* pVerRange) {
bool hasBeenDropped(const SArray* pDelList, int32_t* index, int64_t key, int64_t ver, int32_t order,
SVersionRange* pVerRange) {
if (pDelList == NULL) {
return false;
}
@ -3761,8 +3769,7 @@ bool hasBeenDropped(const SArray* pDelList, int32_t* index, int64_t key, int64_t
return false;
} else if (key == last->ts) {
TSDBKEY* prev = taosArrayGet(pDelList, num - 2);
return (prev->version >= ver && prev->version <= pVerRange->maxVer &&
prev->version >= pVerRange->minVer);
return (prev->version >= ver && prev->version <= pVerRange->maxVer && prev->version >= pVerRange->minVer);
}
} else {
TSDBKEY* pCurrent = taosArrayGet(pDelList, *index);
@ -3971,9 +3978,9 @@ int32_t doMergeRowsInFileBlocks(SBlockData* pBlockData, STableBlockScanInfo* pSc
SFileBlockDumpInfo* pDumpInfo = &pReader->status.fBlockDumpInfo;
SRowMerger* pMerger = &pReader->status.merger;
bool asc = ASCENDING_TRAVERSE(pReader->order);
int64_t key = pBlockData->aTSKEY[pDumpInfo->rowIndex];
int32_t step = asc ? 1 : -1;
bool asc = ASCENDING_TRAVERSE(pReader->order);
int64_t key = pBlockData->aTSKEY[pDumpInfo->rowIndex];
int32_t step = asc ? 1 : -1;
pDumpInfo->rowIndex += step;
if ((pDumpInfo->rowIndex <= pBlockData->nRow - 1 && asc) || (pDumpInfo->rowIndex >= 0 && !asc)) {
@ -4070,14 +4077,14 @@ int32_t doMergeMemTableMultiRows(TSDBROW* pRow, uint64_t uid, SIterInfo* pIter,
return terrno;
}
tsdbRowMergerAdd(&pReader->status.merger,pNextRow, pTSchema1);
tsdbRowMergerAdd(&pReader->status.merger, pNextRow, pTSchema1);
} else { // let's merge rows in file block
code = tsdbRowMergerAdd(&pReader->status.merger, &current, pReader->pSchema);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
tsdbRowMergerAdd(&pReader->status.merger,pNextRow, NULL);
tsdbRowMergerAdd(&pReader->status.merger, pNextRow, NULL);
}
code = doMergeRowsInBuf(pIter, uid, TSDBROW_TS(&current), pDelList, pReader);
@ -4124,9 +4131,8 @@ int32_t doMergeMemIMemRows(TSDBROW* pRow, TSDBROW* piRow, STableBlockScanInfo* p
return code;
}
tsdbRowMergerAdd(&pReader->status.merger,pRow, pSchema);
code =
doMergeRowsInBuf(&pBlockScanInfo->iter, pBlockScanInfo->uid, k.ts, pBlockScanInfo->delSkyline, pReader);
tsdbRowMergerAdd(&pReader->status.merger, pRow, pSchema);
code = doMergeRowsInBuf(&pBlockScanInfo->iter, pBlockScanInfo->uid, k.ts, pBlockScanInfo->delSkyline, pReader);
if (code != TSDB_CODE_SUCCESS) {
return code;
}
@ -4365,7 +4371,7 @@ int32_t tsdbSetTableList(STsdbReader* pReader, const void* pTableList, int32_t n
int32_t size = tSimpleHashGetSize(pReader->status.pTableMap);
STableBlockScanInfo** p = NULL;
int32_t iter = 0;
int32_t iter = 0;
while ((p = tSimpleHashIterate(pReader->status.pTableMap, p, &iter)) != NULL) {
clearBlockScanInfo(*p);
@ -4452,15 +4458,16 @@ static int32_t doOpenReaderImpl(STsdbReader* pReader) {
}
static void freeSchemaFunc(void* param) {
void **p = (void **)param;
void** p = (void**)param;
taosMemoryFreeClear(*p);
}
// ====================================== EXPOSED APIs ======================================
int32_t tsdbReaderOpen(void* pVnode, SQueryTableDataCond* pCond, void* pTableList, int32_t numOfTables,
SSDataBlock* pResBlock, void** ppReader, const char* idstr, bool countOnly, SHashObj** pIgnoreTables) {
SSDataBlock* pResBlock, void** ppReader, const char* idstr, bool countOnly,
SHashObj** pIgnoreTables) {
STimeWindow window = pCond->twindows;
SVnodeCfg* pConf = &(((SVnode*)pVnode)->config);
SVnodeCfg* pConf = &(((SVnode*)pVnode)->config);
int32_t capacity = pConf->tsdbCfg.maxRows;
if (pResBlock != NULL) {
@ -4729,7 +4736,7 @@ int32_t tsdbReaderSuspend(STsdbReader* pReader) {
// resetDataBlockScanInfo excluding lastKey
STableBlockScanInfo** p = NULL;
int32_t iter = 0;
int32_t iter = 0;
while ((p = tSimpleHashIterate(pStatus->pTableMap, p, &iter)) != NULL) {
STableBlockScanInfo* pInfo = *(STableBlockScanInfo**)p;
@ -4751,7 +4758,7 @@ int32_t tsdbReaderSuspend(STsdbReader* pReader) {
} else {
// resetDataBlockScanInfo excluding lastKey
STableBlockScanInfo** p = NULL;
int32_t iter = 0;
int32_t iter = 0;
while ((p = tSimpleHashIterate(pStatus->pTableMap, p, &iter)) != NULL) {
STableBlockScanInfo* pInfo = *(STableBlockScanInfo**)p;
@ -4950,8 +4957,9 @@ int32_t tsdbNextDataBlock(STsdbReader* pReader, bool* hasNext) {
*hasNext = false;
if (isEmptyQueryTimeWindow(&pReader->window) || pReader->step == EXTERNAL_ROWS_NEXT || pReader->code != TSDB_CODE_SUCCESS) {
return (pReader->code != TSDB_CODE_SUCCESS)? pReader->code:code;
if (isEmptyQueryTimeWindow(&pReader->window) || pReader->step == EXTERNAL_ROWS_NEXT ||
pReader->code != TSDB_CODE_SUCCESS) {
return (pReader->code != TSDB_CODE_SUCCESS) ? pReader->code : code;
}
SReaderStatus* pStatus = &pReader->status;
@ -5087,7 +5095,7 @@ static bool doFillNullColSMA(SBlockLoadSuppInfo* pSup, int32_t numOfRows, int32_
return hasNullSMA;
}
int32_t tsdbRetrieveDatablockSMA(STsdbReader* pReader, SSDataBlock* pDataBlock, bool* allHave, bool *hasNullSMA) {
int32_t tsdbRetrieveDatablockSMA(STsdbReader* pReader, SSDataBlock* pDataBlock, bool* allHave, bool* hasNullSMA) {
SColumnDataAgg*** pBlockSMA = &pDataBlock->pBlockAgg;
int32_t code = 0;
@ -5196,9 +5204,9 @@ STableBlockScanInfo* getTableBlockScanInfo(SSHashObj* pTableMap, uint64_t uid, c
}
static SSDataBlock* doRetrieveDataBlock(STsdbReader* pReader) {
SReaderStatus* pStatus = &pReader->status;
int32_t code = TSDB_CODE_SUCCESS;
SFileDataBlockInfo* pBlockInfo = getCurrentBlockInfo(&pStatus->blockIter);
SReaderStatus* pStatus = &pReader->status;
int32_t code = TSDB_CODE_SUCCESS;
SFileDataBlockInfo* pBlockInfo = getCurrentBlockInfo(&pStatus->blockIter);
if (pReader->code != TSDB_CODE_SUCCESS) {
return NULL;

15
source/dnode/vnode/src/tsdb/tsdbReadUtil.h
View File

@ -30,11 +30,6 @@ typedef enum {
READER_STATUS_NORMAL = 0x2,
} EReaderStatus;
typedef enum {
READ_MODE_COUNT_ONLY = 0x1,
READ_MODE_ALL,
} EReadMode;
typedef enum {
EXTERNAL_ROWS_PREV = 0x1,
EXTERNAL_ROWS_MAIN = 0x2,
@ -69,16 +64,6 @@ typedef struct STableBlockScanInfo {
bool iterInit; // whether to initialize the in-memory skip list iterator or not
} STableBlockScanInfo;
typedef struct STsdbReaderInfo {
uint64_t suid;
STSchema* pSchema;
EReadMode readMode;
uint64_t rowsNum;
STimeWindow window;
SVersionRange verRange;
int16_t order;
} STsdbReaderInfo;
typedef struct SResultBlockInfo {
SSDataBlock* pResBlock;
bool freeBlock;