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TDengine

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T
TDengine
提交 7df1727a 编写于 作者: H Haojun Liao
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refactor(query): do some internal refactor.

上级 6fcbcabd
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Showing with 76 addition and 53 deletion
source/libs/executor/inc/executorimpl.h
浏览文件 @ 7df1727a
......@@ -303,13 +303,17 @@ typedef struct SScanInfo {
int32_t numOfDesc;
} SScanInfo;
typedef struct SSampleExecInfo {
double sampleRatio; // data block sample ratio, 1 by default
uint32_t seed; // random seed value
} SSampleExecInfo;
typedef struct STableScanInfo {
void* dataReader;
SReadHandle readHandle;
SFileBlockLoadRecorder readRecorder;
int64_t numOfRows;
int64_t elapsedTime;
// int32_t prevGroupId; // previous table group id
SScanInfo scanInfo;
int32_t scanTimes;
......@@ -330,9 +334,8 @@ typedef struct STableScanInfo {
SQueryTableDataCond cond;
int32_t scanFlag; // table scan flag to denote if it is a repeat/reverse/main scan
int32_t dataBlockLoadFlag;
double sampleRatio; // data block sample ratio, 1 by default
SInterval interval; // if the upstream is an interval operator, the interval info is also kept here to get the time window to check if current data block needs to be loaded.
SSampleExecInfo sample; // sample execution info
int32_t curTWinIdx;
} STableScanInfo;
......@@ -692,7 +695,7 @@ void doApplyFunctions(SExecTaskInfo* taskInfo, SqlFunctionCtx* pCtx, STimeWin
int32_t setGroupResultOutputBuf(SOptrBasicInfo* binfo, int32_t numOfCols, char* pData, int16_t type, int16_t bytes,
int32_t groupId, SDiskbasedBuf* pBuf, SExecTaskInfo* pTaskInfo, SAggSupporter* pAggSup);
void doDestroyBasicInfo(SOptrBasicInfo* pInfo, int32_t numOfOutput);
int32_t setSDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadInfo, int32_t numOfRows, char* pData,
int32_t setDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadInfo, int32_t numOfRows, char* pData,
int32_t compLen, int32_t numOfOutput, int64_t startTs, uint64_t* total,
SArray* pColList);
void getAlignQueryTimeWindow(SInterval* pInterval, int32_t precision, int64_t key, STimeWindow* win);
......@@ -789,8 +792,6 @@ int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBloc
void setInputDataBlock(SOperatorInfo* pOperator, SqlFunctionCtx* pCtx, SSDataBlock* pBlock, int32_t order, int32_t scanFlag, bool createDummyCol);
void copyTsColoum(SSDataBlock* pRes, SqlFunctionCtx* pCtx, int32_t numOfOutput);
bool isTaskKilled(SExecTaskInfo* pTaskInfo);
int32_t checkForQueryBuf(size_t numOfTables);
......@@ -825,16 +826,14 @@ int32_t getOperatorExplainExecInfo(SOperatorInfo* operatorInfo, SExplainExecInfo
int32_t aggDecodeResultRow(SOperatorInfo* pOperator, char* result);
int32_t aggEncodeResultRow(SOperatorInfo* pOperator, char** result, int32_t* length);
STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowInfo, int64_t ts,
SInterval* pInterval, int32_t precision, STimeWindow* win);
int32_t getNumOfRowsInTimeWindow(SDataBlockInfo* pDataBlockInfo, TSKEY* pPrimaryColumn,
int32_t startPos, TSKEY ekey, __block_search_fn_t searchFn, STableQueryInfo* item,
int32_t order);
STimeWindow getActiveTimeWindow(SDiskbasedBuf* pBuf, SResultRowInfo* pResultRowInfo, int64_t ts, SInterval* pInterval,
int32_t precision, STimeWindow* win);
int32_t getNumOfRowsInTimeWindow(SDataBlockInfo* pDataBlockInfo, TSKEY* pPrimaryColumn, int32_t startPos, TSKEY ekey,
__block_search_fn_t searchFn, STableQueryInfo* item, int32_t order);
int32_t binarySearchForKey(char* pValue, int num, TSKEY key, int order);
int32_t initStreamAggSupporter(SStreamAggSupporter* pSup, const char* pKey);
SResultRow* getNewResultRow(SDiskbasedBuf* pResultBuf, int64_t tableGroupId, int32_t interBufSize);
SResultWindowInfo* getSessionTimeWindow(SArray* pWinInfos, TSKEY ts, int64_t gap,
int32_t* pIndex);
SResultWindowInfo* getSessionTimeWindow(SArray* pWinInfos, TSKEY ts, int64_t gap, int32_t* pIndex);
int32_t updateSessionWindowInfo(SResultWindowInfo* pWinInfo, TSKEY* pTs, int32_t rows,
int32_t start, int64_t gap, SHashObj* pStDeleted);
bool functionNeedToExecute(SqlFunctionCtx* pCtx);
......@@ -842,6 +841,7 @@ int64_t getSmaWaterMark(int64_t interval, double filesFactor);
bool isSmaStream(int8_t triggerType);
int32_t compareTimeWindow(const void* p1, const void* p2, const void* param);
#ifdef __cplusplus
}
#endif
......
source/libs/executor/src/executorimpl.c
浏览文件 @ 7df1727a
......@@ -2524,7 +2524,7 @@ void relocateColumnData(SSDataBlock* pBlock, const SArray* pColMatchInfo, SArray
}
}
int32_t setSDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadInfo, int32_t numOfRows, char* pData,
int32_t setDataBlockFromFetchRsp(SSDataBlock* pRes, SLoadRemoteDataInfo* pLoadInfo, int32_t numOfRows, char* pData,
int32_t compLen, int32_t numOfOutput, int64_t startTs, uint64_t* total,
SArray* pColList) {
if (pColList == NULL) { // data from other sources
......@@ -2679,7 +2679,7 @@ static SSDataBlock* concurrentlyLoadRemoteDataImpl(SOperatorInfo* pOperator, SEx
}
SRetrieveTableRsp* pTableRsp = pDataInfo->pRsp;
code = setSDataBlockFromFetchRsp(pExchangeInfo->pResult, pLoadInfo, pTableRsp->numOfRows, pTableRsp->data,
code = setDataBlockFromFetchRsp(pExchangeInfo->pResult, pLoadInfo, pTableRsp->numOfRows, pTableRsp->data,
pTableRsp->compLen, pTableRsp->numOfCols, startTs, &pDataInfo->totalRows, NULL);
if (code != 0) {
taosMemoryFreeClear(pDataInfo->pRsp);
......@@ -2803,7 +2803,7 @@ static SSDataBlock* seqLoadRemoteData(SOperatorInfo* pOperator) {
SSDataBlock* pRes = pExchangeInfo->pResult;
SRetrieveTableRsp* pTableRsp = pDataInfo->pRsp;
int32_t code =
setSDataBlockFromFetchRsp(pExchangeInfo->pResult, pLoadInfo, pTableRsp->numOfRows, pTableRsp->data,
setDataBlockFromFetchRsp(pExchangeInfo->pResult, pLoadInfo, pTableRsp->numOfRows, pTableRsp->data,
pTableRsp->compLen, pTableRsp->numOfCols, startTs, &pDataInfo->totalRows, NULL);
if (pRsp->completed == 1) {
......
source/libs/executor/src/scanoperator.c
浏览文件 @ 7df1727a
......@@ -40,6 +40,22 @@ static int32_t buildSysDbTableInfo(const SSysTableScanInfo* pInfo, int32_t capac
static int32_t buildDbTableInfoBlock(const SSDataBlock* p, const SSysTableMeta* pSysDbTableMeta, size_t size,
const char* dbName);
static void addTagPseudoColumnData(SReadHandle *pHandle, SExprInfo* pPseudoExpr, int32_t numOfPseudoExpr, SSDataBlock* pBlock);
static bool processBlockWithProbability(const SSampleExecInfo *pInfo);
bool processBlockWithProbability(const SSampleExecInfo *pInfo) {
#if 0
if (pInfo->sampleRatio == 1) {
return true;
}
uint32_t val = taosRandR((uint32_t*) &pInfo->seed);
return (val % ((uint32_t)(1/pInfo->sampleRatio))) == 0;
#else
return true;
#endif
}
static void switchCtxOrder(SqlFunctionCtx* pCtx, int32_t numOfOutput) {
for (int32_t i = 0; i < numOfOutput; ++i) {
SWITCH_ORDER(pCtx[i].order);
......@@ -153,8 +169,6 @@ static bool overlapWithTimeWindow(SInterval* pInterval, SDataBlockInfo* pBlockIn
return false;
}
static void addTagPseudoColumnData(SReadHandle *pHandle, SExprInfo* pPseudoExpr, int32_t numOfPseudoExpr, SSDataBlock* pBlock);
static int32_t loadDataBlock(SOperatorInfo* pOperator, STableScanInfo* pTableScanInfo, SSDataBlock* pBlock,
uint32_t* status) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
......@@ -274,12 +288,9 @@ static void prepareForDescendingScan(STableScanInfo* pTableScanInfo, SqlFunction
STimeWindow* pTWindow = &pTableScanInfo->cond.twindows[i];
TSWAP(pTWindow->skey, pTWindow->ekey);
}
SQueryTableDataCond *pCond = &pTableScanInfo->cond;
taosqsort(pCond->twindows,
pCond->numOfTWindows,
sizeof(STimeWindow),
pCond,
compareTimeWindow);
SQueryTableDataCond* pCond = &pTableScanInfo->cond;
taosqsort(pCond->twindows, pCond->numOfTWindows, sizeof(STimeWindow), pCond, compareTimeWindow);
}
void addTagPseudoColumnData(SReadHandle *pHandle, SExprInfo* pPseudoExpr, int32_t numOfPseudoExpr, SSDataBlock* pBlock) {
......@@ -310,18 +321,19 @@ void addTagPseudoColumnData(SReadHandle *pHandle, SExprInfo* pPseudoExpr, int32_
} else { // these are tags
STagVal tagVal = {0};
tagVal.cid = pExpr->base.pParam[0].pCol->colId;
const char *p = metaGetTableTagVal(&mr.me, pColInfoData->info.type, &tagVal);
const char* p = metaGetTableTagVal(&mr.me, pColInfoData->info.type, &tagVal);
char *data = NULL;
if(pColInfoData->info.type != TSDB_DATA_TYPE_JSON && p != NULL){
data = tTagValToData((const STagVal *)p, false);
}else {
char* data = NULL;
if (pColInfoData->info.type != TSDB_DATA_TYPE_JSON && p != NULL) {
data = tTagValToData((const STagVal*)p, false);
} else {
data = (char*)p;
}
for (int32_t i = 0; i < pBlock->info.rows; ++i) {
colDataAppend(pColInfoData, i, data, (data == NULL));
}
if (data && (pColInfoData->info.type != TSDB_DATA_TYPE_JSON) && p != NULL &&
IS_VAR_DATA_TYPE(((const STagVal*)p)->type)) {
taosMemoryFree(data);
......@@ -359,6 +371,12 @@ static SSDataBlock* doTableScanImpl(SOperatorInfo* pOperator) {
longjmp(pOperator->pTaskInfo->env, TSDB_CODE_TSC_QUERY_CANCELLED);
}
// process this data block based on the probabilities
bool processThisBlock = processBlockWithProbability(&pTableScanInfo->sample);
if (!processThisBlock) {
continue;
}
tsdbRetrieveDataBlockInfo(pTableScanInfo->dataReader, &pBlock->info);
uint32_t status = 0;
......@@ -433,6 +451,7 @@ static SSDataBlock* doTableScan(SOperatorInfo* pOperator) {
STimeWindow* pWin = &pTableScanInfo->cond.twindows[i];
qDebug("%s\t qrange:%" PRId64 "-%" PRId64, GET_TASKID(pTaskInfo), pWin->skey, pWin->ekey);
}
while (pTableScanInfo->scanTimes < total) {
while (pTableScanInfo->curTWinIdx < pTableScanInfo->cond.numOfTWindows) {
SSDataBlock* p = doTableScanImpl(pOperator);
......@@ -502,11 +521,7 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
STableScanInfo* pInfo = taosMemoryCalloc(1, sizeof(STableScanInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
pTaskInfo->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
goto _error;
}
SDataBlockDescNode* pDescNode = pTableScanNode->scan.node.pOutputDataBlockDesc;
......@@ -517,7 +532,7 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
int32_t code = initQueryTableDataCond(&pInfo->cond, pTableScanNode);
if (code != TSDB_CODE_SUCCESS) {
return NULL;
goto _error;
}
if (pTableScanNode->scan.pScanPseudoCols != NULL) {
......@@ -528,32 +543,40 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
pInfo->scanInfo = (SScanInfo){.numOfAsc = pTableScanNode->scanSeq[0], .numOfDesc = pTableScanNode->scanSeq[1]};
// pInfo->scanInfo = (SScanInfo){.numOfAsc = 0, .numOfDesc = 1}; // for debug purpose
pInfo->readHandle = *readHandle;
pInfo->interval = extractIntervalInfo(pTableScanNode);
pInfo->sampleRatio = pTableScanNode->ratio;
pInfo->readHandle = *readHandle;
pInfo->interval = extractIntervalInfo(pTableScanNode);
pInfo->sample.sampleRatio= pTableScanNode->ratio;
pInfo->sample.seed = taosGetTimestampMs();
pInfo->dataBlockLoadFlag = pTableScanNode->dataRequired;
pInfo->pResBlock = createResDataBlock(pDescNode);
pInfo->pFilterNode = pTableScanNode->scan.node.pConditions;
pInfo->dataReader = pDataReader;
pInfo->scanFlag = MAIN_SCAN;
pInfo->pColMatchInfo = pColList;
pInfo->curTWinIdx = 0;
pOperator->name = "TableScanOperator"; // for debug purpose
pInfo->pResBlock = createResDataBlock(pDescNode);
pInfo->pFilterNode = pTableScanNode->scan.node.pConditions;
pInfo->dataReader = pDataReader;
pInfo->scanFlag = MAIN_SCAN;
pInfo->pColMatchInfo = pColList;
pInfo->curTWinIdx = 0;
pOperator->name = "TableScanOperator"; // for debug purpose
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->numOfExprs = numOfCols;
pOperator->pTaskInfo = pTaskInfo;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->numOfExprs = numOfCols;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doTableScan, NULL, NULL, destroyTableScanOperatorInfo,
NULL, NULL, getTableScannerExecInfo);
// for non-blocking operator, the open cost is always 0
pOperator->cost.openCost = 0;
return pOperator;
_error:
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
pTaskInfo->code = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
}
SOperatorInfo* createTableSeqScanOperatorInfo(void* pReadHandle, SExecTaskInfo* pTaskInfo) {
......@@ -1351,7 +1374,7 @@ static SSDataBlock* doSysTableScan(SOperatorInfo* pOperator) {
}
SRetrieveMetaTableRsp* pTableRsp = pInfo->pRsp;
setSDataBlockFromFetchRsp(pInfo->pRes, &pInfo->loadInfo, pTableRsp->numOfRows, pTableRsp->data,
setDataBlockFromFetchRsp(pInfo->pRes, &pInfo->loadInfo, pTableRsp->numOfRows, pTableRsp->data,
pTableRsp->compLen, pOperator->numOfExprs, startTs, NULL, pInfo->scanCols);
// todo log the filter info
......
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