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feat: multiway merge handles group+mergekeys, group and only merge keys

This commit is contained in:
slzhou 2022-06-27 17:51:50 +08:00
parent 87b8131409
commit 11f8d302fa
4 changed files with 81 additions and 66 deletions
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5
source/libs/executor/inc/executorimpl.h
View File

@ -730,10 +730,7 @@ SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SExprInfo*
SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode *pNode, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhysiNode* pProjPhyNode, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createSortOperatorInfo(SOperatorInfo* downstream, SSortPhysiNode* pSortPhyNode, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createMultiwaySortMergeOperatorInfo(SOperatorInfo** downStreams, int32_t numStreams, SSDataBlock* pInputBlock,
SSDataBlock* pResBlock, SArray* pSortInfo, SArray* pColMatchColInfo,
SExecTaskInfo* pTaskInfo);
SOperatorInfo* createMultiwayMergeOperatorInfo(SOperatorInfo** dowStreams, size_t numStreams, SMergePhysiNode* pMergePhysiNode, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SExprInfo* pExprInfo, int32_t num, SArray* pSortInfo, SArray* pGroupInfo, SExecTaskInfo* pTaskInfo);
SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SExprInfo* pExprInfo, int32_t numOfCols,

7
source/libs/executor/src/executil.c
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@ -159,7 +159,12 @@ int32_t getNumOfTotalRes(SGroupResInfo* pGroupResInfo) {
}
SArray* createSortInfo(SNodeList* pNodeList) {
size_t numOfCols = LIST_LENGTH(pNodeList);
size_t numOfCols = 0;
if (pNodeList != NULL) {
numOfCols = LIST_LENGTH(pNodeList);
} else {
numOfCols = 0;
}
SArray* pList = taosArrayInit(numOfCols, sizeof(SBlockOrderInfo));
if (pList == NULL) {
terrno = TSDB_CODE_OUT_OF_MEMORY;

12
source/libs/executor/src/executorimpl.c
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@ -4269,17 +4269,7 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
pOptr = createGroupSortOperatorInfo(ops[0], (SGroupSortPhysiNode*)pPhyNode, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE == type) {
SMergePhysiNode* pMergePhyNode = (SMergePhysiNode*)pPhyNode;
SDataBlockDescNode* pDescNode = pPhyNode->pOutputDataBlockDesc;
SSDataBlock* pResBlock = createResDataBlock(pDescNode);
SArray* sortInfo = createSortInfo(pMergePhyNode->pMergeKeys);
int32_t numOfOutputCols = 0;
SArray* pColList =
extractColMatchInfo(pMergePhyNode->pTargets, pDescNode, &numOfOutputCols, COL_MATCH_FROM_SLOT_ID);
SPhysiNode* pChildNode = (SPhysiNode*)nodesListGetNode(pPhyNode->pChildren, 0);
SSDataBlock* pInputDataBlock = createResDataBlock(pChildNode->pOutputDataBlockDesc);
pOptr = createMultiwaySortMergeOperatorInfo(ops, size, pInputDataBlock, pResBlock, sortInfo, pColList, pTaskInfo);
pOptr = createMultiwayMergeOperatorInfo(ops, size, pMergePhyNode, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_MERGE_SESSION == type) {
SSessionWinodwPhysiNode* pSessionNode = (SSessionWinodwPhysiNode*)pPhyNode;

67
source/libs/executor/src/sortoperator.c
View File

@ -475,8 +475,8 @@ SOperatorInfo* createGroupSortOperatorInfo(SOperatorInfo* downstream, SGroupSort
pOperator->exprSupp.numOfExprs = numOfCols;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doGroupSort, NULL, NULL, destroyGroupSortOperatorInfo, NULL,
NULL, getGroupSortExplainExecInfo);
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doGroupSort, NULL, NULL, destroyGroupSortOperatorInfo,
NULL, NULL, getGroupSortExplainExecInfo);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
@ -494,7 +494,7 @@ _error:
//=====================================================================================
// Multiway Sort Merge operator
typedef struct SMultiwaySortMergeOperatorInfo {
typedef struct SMultiwayMergeOperatorInfo {
SOptrBasicInfo binfo;
int32_t bufPageSize;
@ -506,13 +506,14 @@ typedef struct SMultiwaySortMergeOperatorInfo {
SSDataBlock* pInputBlock;
int64_t startTs; // sort start time
bool groupSort;
bool hasGroupId;
uint64_t groupId;
STupleHandle* prefetchedTuple;
} SMultiwaySortMergeOperatorInfo;
} SMultiwayMergeOperatorInfo;
int32_t doOpenMultiwaySortMergeOperator(SOperatorInfo* pOperator) {
SMultiwaySortMergeOperatorInfo* pInfo = pOperator->info;
int32_t doOpenMultiwayMergeOperator(SOperatorInfo* pOperator) {
SMultiwayMergeOperatorInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (OPTR_IS_OPENED(pOperator)) {
@ -527,7 +528,8 @@ int32_t doOpenMultiwaySortMergeOperator(SOperatorInfo* pOperator) {
pInfo->pInputBlock, pTaskInfo->id.str);
tsortSetFetchRawDataFp(pInfo->pSortHandle, loadNextDataBlock, NULL, NULL);
tsortSetCompareGroupId(pInfo->pSortHandle, true);
tsortSetCompareGroupId(pInfo->pSortHandle, pInfo->groupSort);
for (int32_t i = 0; i < pOperator->numOfDownstream; ++i) {
SSortSource* ps = taosMemoryCalloc(1, sizeof(SSortSource));
@ -550,7 +552,7 @@ int32_t doOpenMultiwaySortMergeOperator(SOperatorInfo* pOperator) {
SSDataBlock* getMultiwaySortedBlockData(SSortHandle* pHandle, SSDataBlock* pDataBlock, int32_t capacity,
SArray* pColMatchInfo, SOperatorInfo* pOperator) {
SMultiwaySortMergeOperatorInfo* pInfo = pOperator->info;
SMultiwayMergeOperatorInfo* pInfo = pOperator->info;
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
blockDataCleanup(pDataBlock);
@ -564,6 +566,7 @@ SSDataBlock* getMultiwaySortedBlockData(SSortHandle* pHandle, SSDataBlock* pData
while (1) {
STupleHandle* pTupleHandle = NULL;
if (pInfo->groupSort) {
if (pInfo->prefetchedTuple == NULL) {
pTupleHandle = tsortNextTuple(pHandle);
} else {
@ -571,11 +574,18 @@ SSDataBlock* getMultiwaySortedBlockData(SSortHandle* pHandle, SSDataBlock* pData
pInfo->groupId = tsortGetGroupId(pTupleHandle);
pInfo->prefetchedTuple = NULL;
}
}
else {
pTupleHandle = tsortNextTuple(pHandle);
pInfo->groupId = 0;
}
if (pTupleHandle == NULL) {
break;
}
if (pInfo->groupSort)
{
uint64_t tupleGroupId = tsortGetGroupId(pTupleHandle);
if (!pInfo->hasGroupId) {
pInfo->groupId = tupleGroupId;
@ -587,6 +597,9 @@ SSDataBlock* getMultiwaySortedBlockData(SSortHandle* pHandle, SSDataBlock* pData
pInfo->prefetchedTuple = pTupleHandle;
break;
}
} else {
appendOneRowToDataBlock(p, pTupleHandle);
}
if (p->info.rows >= capacity) {
break;
}
@ -614,13 +627,13 @@ SSDataBlock* getMultiwaySortedBlockData(SSortHandle* pHandle, SSDataBlock* pData
return (pDataBlock->info.rows > 0) ? pDataBlock : NULL;
}
SSDataBlock* doMultiwaySortMerge(SOperatorInfo* pOperator) {
SSDataBlock* doMultiwayMerge(SOperatorInfo* pOperator) {
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SMultiwaySortMergeOperatorInfo* pInfo = pOperator->info;
SMultiwayMergeOperatorInfo* pInfo = pOperator->info;
int32_t code = pOperator->fpSet._openFn(pOperator);
if (code != TSDB_CODE_SUCCESS) {
@ -637,8 +650,8 @@ SSDataBlock* doMultiwaySortMerge(SOperatorInfo* pOperator) {
return pBlock;
}
void destroyMultiwaySortMergeOperatorInfo(void* param, int32_t numOfOutput) {
SMultiwaySortMergeOperatorInfo* pInfo = (SMultiwaySortMergeOperatorInfo*)param;
void destroyMultiwayMergeOperatorInfo(void* param, int32_t numOfOutput) {
SMultiwayMergeOperatorInfo* pInfo = (SMultiwayMergeOperatorInfo*)param;
pInfo->binfo.pRes = blockDataDestroy(pInfo->binfo.pRes);
pInfo->pInputBlock = blockDataDestroy(pInfo->pInputBlock);
@ -646,11 +659,11 @@ void destroyMultiwaySortMergeOperatorInfo(void* param, int32_t numOfOutput) {
taosArrayDestroy(pInfo->pColMatchInfo);
}
int32_t getMultiwaySortMergeExplainExecInfo(SOperatorInfo* pOptr, void** pOptrExplain, uint32_t* len) {
int32_t getMultiwayMergeExplainExecInfo(SOperatorInfo* pOptr, void** pOptrExplain, uint32_t* len) {
ASSERT(pOptr != NULL);
SSortExecInfo* pInfo = taosMemoryCalloc(1, sizeof(SSortExecInfo));
SMultiwaySortMergeOperatorInfo* pOperatorInfo = (SMultiwaySortMergeOperatorInfo*)pOptr->info;
SMultiwayMergeOperatorInfo* pOperatorInfo = (SMultiwayMergeOperatorInfo*)pOptr->info;
*pInfo = tsortGetSortExecInfo(pOperatorInfo->pSortHandle);
*pOptrExplain = pInfo;
@ -658,24 +671,35 @@ int32_t getMultiwaySortMergeExplainExecInfo(SOperatorInfo* pOptr, void** pOptrEx
return TSDB_CODE_SUCCESS;
}
SOperatorInfo* createMultiwaySortMergeOperatorInfo(SOperatorInfo** downStreams, int32_t numStreams,
SSDataBlock* pInputBlock, SSDataBlock* pResBlock, SArray* pSortInfo,
SArray* pColMatchColInfo, SExecTaskInfo* pTaskInfo) {
SMultiwaySortMergeOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SMultiwaySortMergeOperatorInfo));
SOperatorInfo* createMultiwayMergeOperatorInfo(SOperatorInfo** downStreams, size_t numStreams,
SMergePhysiNode* pMergePhyNode, SExecTaskInfo* pTaskInfo) {
SPhysiNode* pPhyNode = (SPhysiNode*)pMergePhyNode;
SMultiwayMergeOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SMultiwayMergeOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
SDataBlockDescNode* pDescNode = pPhyNode->pOutputDataBlockDesc;
SSDataBlock* pResBlock = createResDataBlock(pDescNode);
int32_t rowSize = pResBlock->info.rowSize;
if (pInfo == NULL || pOperator == NULL || rowSize > 100 * 1024 * 1024) {
goto _error;
}
SArray* pSortInfo = createSortInfo(pMergePhyNode->pMergeKeys);
int32_t numOfOutputCols = 0;
SArray* pColMatchColInfo =
extractColMatchInfo(pMergePhyNode->pTargets, pDescNode, &numOfOutputCols, COL_MATCH_FROM_SLOT_ID);
SPhysiNode* pChildNode = (SPhysiNode*)nodesListGetNode(pPhyNode->pChildren, 0);
SSDataBlock* pInputBlock = createResDataBlock(pChildNode->pOutputDataBlockDesc);
initResultSizeInfo(pOperator, 1024);
pInfo->groupSort = pMergePhyNode->groupSort;
pInfo->binfo.pRes = pResBlock;
pInfo->pSortInfo = pSortInfo;
pInfo->pColMatchInfo = pColMatchColInfo;
pInfo->pInputBlock = pInputBlock;
pOperator->name = "MultiwaySortMerge";
pOperator->name = "MultiwayMerge";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_MERGE;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
@ -687,9 +711,8 @@ SOperatorInfo* createMultiwaySortMergeOperatorInfo(SOperatorInfo** downStreams,
// one additional is reserved for merged result.
pInfo->sortBufSize = pInfo->bufPageSize * (numStreams + 1);
pOperator->fpSet =
createOperatorFpSet(doOpenMultiwaySortMergeOperator, doMultiwaySortMerge, NULL, NULL,
destroyMultiwaySortMergeOperatorInfo, NULL, NULL, getMultiwaySortMergeExplainExecInfo);
pOperator->fpSet = createOperatorFpSet(doOpenMultiwayMergeOperator, doMultiwayMerge, NULL, NULL,
destroyMultiwayMergeOperatorInfo, NULL, NULL, getMultiwayMergeExplainExecInfo);
int32_t code = appendDownstream(pOperator, downStreams, numStreams);
if (code != TSDB_CODE_SUCCESS) {