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未验证 提交 4a3e5bf9 编写于 作者: H Haojun Liao 提交者： GitHub
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Merge pull request #15384 from taosdata/feature/3_liaohj 

refactor: do some internal refactor.
上级 e82b1260 b87bb4c0
隐藏空白更改
内联 并排
Showing with 617 addition and 562 deletion
source/libs/executor/inc/executorimpl.h
浏览文件 @ 4a3e5bf9
......@@ -351,6 +351,11 @@ typedef enum EStreamScanMode {
STREAM_SCAN_FROM_DATAREADER_RANGE,
} EStreamScanMode;
enum {
PROJECT_RETRIEVE_CONTINUE = 0x1,
PROJECT_RETRIEVE_DONE = 0x2,
};
typedef struct SCatchSupporter {
SHashObj* pWindowHashTable; // quick locate the window object for each window
SDiskbasedBuf* pDataBuf; // buffer based on blocked-wised disk file
......
source/libs/executor/src/executorimpl.c
浏览文件 @ 4a3e5bf9
......@@ -42,11 +42,6 @@
#define GET_FORWARD_DIRECTION_FACTOR(ord) (((ord) == TSDB_ORDER_ASC) ? QUERY_ASC_FORWARD_STEP : QUERY_DESC_FORWARD_STEP)
enum {
PROJECT_RETRIEVE_CONTINUE = 0x1,
PROJECT_RETRIEVE_DONE = 0x2,
};
#if 0
static UNUSED_FUNC void *u_malloc (size_t __size) {
uint32_t v = taosRand();
......@@ -575,6 +570,26 @@ static void setPseudoOutputColInfo(SSDataBlock* pResult, SqlFunctionCtx* pCtx, S
int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBlock* pSrcBlock, SqlFunctionCtx* pCtx,
int32_t numOfOutput, SArray* pPseudoList) {
setPseudoOutputColInfo(pResult, pCtx, pPseudoList);
if (pSrcBlock == NULL) {
for (int32_t k = 0; k < numOfOutput; ++k) {
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
ASSERT(pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE);
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
int32_t type = pExpr[k].base.pParam[0].param.nType;
if (TSDB_DATA_TYPE_NULL == type) {
colDataAppendNNULL(pColInfoData, 0, 1);
} else {
colDataAppend(pColInfoData, 0, taosVariantGet(&pExpr[k].base.pParam[0].param, type), false);
}
}
pResult->info.rows = 1;
return TSDB_CODE_SUCCESS;
}
pResult->info.groupId = pSrcBlock->info.groupId;
// if the source equals to the destination, it is to create a new column as the result of scalar
......@@ -1243,52 +1258,6 @@ void initResultRow(SResultRow* pResultRow) {
// pResultRow->pEntryInfo = (struct SResultRowEntryInfo*)((char*)pResultRow + sizeof(SResultRow));
}
/*
* The start of each column SResultRowEntryInfo is denote by RowCellInfoOffset.
* Note that in case of top/bottom query, the whole multiple rows of result is treated as only one row of results.
* +------------+-----------------result column 1------------+------------------result column 2-----------+
* | SResultRow | SResultRowEntryInfo | intermediate buffer1 | SResultRowEntryInfo | intermediate buffer 2|
* +------------+--------------------------------------------+--------------------------------------------+
* offset[0] offset[1] offset[2]
*/
// TODO refactor: some function move away
void setFunctionResultOutput(SOperatorInfo* pOperator, SOptrBasicInfo* pInfo, SAggSupporter* pSup, int32_t stage,
int32_t numOfExprs) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SqlFunctionCtx* pCtx = pOperator->exprSupp.pCtx;
int32_t* rowEntryInfoOffset = pOperator->exprSupp.rowEntryInfoOffset;
SResultRowInfo* pResultRowInfo = &pInfo->resultRowInfo;
initResultRowInfo(pResultRowInfo);
int64_t tid = 0;
int64_t groupId = 0;
SResultRow* pRow = doSetResultOutBufByKey(pSup->pResultBuf, pResultRowInfo, (char*)&tid, sizeof(tid), true, groupId,
pTaskInfo, false, pSup);
for (int32_t i = 0; i < numOfExprs; ++i) {
struct SResultRowEntryInfo* pEntry = getResultEntryInfo(pRow, i, rowEntryInfoOffset);
cleanupResultRowEntry(pEntry);
pCtx[i].resultInfo = pEntry;
pCtx[i].scanFlag = stage;
}
initCtxOutputBuffer(pCtx, numOfExprs);
}
void initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size) {
for (int32_t j = 0; j < size; ++j) {
struct SResultRowEntryInfo* pResInfo = GET_RES_INFO(&pCtx[j]);
if (isRowEntryInitialized(pResInfo) || fmIsPseudoColumnFunc(pCtx[j].functionId) || pCtx[j].functionId == -1 ||
fmIsScalarFunc(pCtx[j].functionId)) {
continue;
}
pCtx[j].fpSet.init(&pCtx[j], pCtx[j].resultInfo);
}
}
void setTaskStatus(SExecTaskInfo* pTaskInfo, int8_t status) {
if (status == TASK_NOT_COMPLETED) {
pTaskInfo->status = status;
......@@ -2805,73 +2774,6 @@ static int32_t initGroupCol(SExprInfo* pExprInfo, int32_t numOfCols, SArray* pGr
return TSDB_CODE_SUCCESS;
}
SOperatorInfo* createSortedMergeOperatorInfo(SOperatorInfo** downstream, int32_t numOfDownstream, SExprInfo* pExprInfo,
int32_t num, SArray* pSortInfo, SArray* pGroupInfo,
SExecTaskInfo* pTaskInfo) {
SSortedMergeOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SSortedMergeOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
int32_t code = initExprSupp(&pOperator->exprSupp, pExprInfo, num);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
initResultRowInfo(&pInfo->binfo.resultRowInfo);
if (pOperator->exprSupp.pCtx == NULL || pInfo->binfo.pRes == NULL) {
goto _error;
}
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
code = doInitAggInfoSup(&pInfo->aggSup, pOperator->exprSupp.pCtx, num, keyBufSize, pTaskInfo->id.str);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, num);
code = initGroupCol(pExprInfo, num, pGroupInfo, pInfo);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
// pInfo->resultRowFactor = (int32_t)(getRowNumForMultioutput(pRuntimeEnv->pQueryAttr,
// pRuntimeEnv->pQueryAttr->topBotQuery, false));
pInfo->sortBufSize = 1024 * 16; // 1MB
pInfo->bufPageSize = 1024;
pInfo->pSortInfo = pSortInfo;
pOperator->resultInfo.capacity = blockDataGetCapacityInRow(pInfo->binfo.pRes, pInfo->bufPageSize);
pOperator->name = "SortedMerge";
// pOperator->operatorType = OP_SortedMerge;
pOperator->blocking = true;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doSortedMerge, NULL, NULL, destroySortedMergeOperatorInfo,
NULL, NULL, NULL);
code = appendDownstream(pOperator, downstream, numOfDownstream);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
if (pInfo != NULL) {
destroySortedMergeOperatorInfo(pInfo, num);
}
taosMemoryFreeClear(pInfo);
taosMemoryFreeClear(pOperator);
terrno = TSDB_CODE_QRY_OUT_OF_MEMORY;
return NULL;
}
int32_t getTableScanInfo(SOperatorInfo* pOperator, int32_t* order, int32_t* scanFlag) {
// todo add more information about exchange operation
int32_t type = pOperator->operatorType;
......@@ -3274,172 +3176,6 @@ int32_t handleLimitOffset(SOperatorInfo* pOperator, SLimitInfo* pLimitInfo, SSDa
}
}
static SSDataBlock* doProjectOperation(SOperatorInfo* pOperator) {
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pProjectInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pInfo->pRes;
SSDataBlock* pFinalRes = pProjectInfo->pFinalRes;
blockDataCleanup(pFinalRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
if (pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE) {
pOperator->status = OP_OPENED;
return NULL;
}
return NULL;
}
int64_t st = 0;
int32_t order = 0;
int32_t scanFlag = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->pDownstream[0];
SLimitInfo* pLimitInfo = &pProjectInfo->limitInfo;
while(1) {
while (1) {
blockDataCleanup(pRes);
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
doSetOperatorCompleted(pOperator);
break;
}
if (pBlock->info.type == STREAM_RETRIEVE) {
// for stream interval
return pBlock;
}
if (pLimitInfo->remainGroupOffset > 0) {
if (pLimitInfo->currentGroupId == 0 || pLimitInfo->currentGroupId == pBlock->info.groupId) { // it is the first group
pLimitInfo->currentGroupId = pBlock->info.groupId;
ASSERT(pTaskInfo->execModel != OPTR_EXEC_MODEL_STREAM);
continue;
} else if (pLimitInfo->currentGroupId != pBlock->info.groupId) {
// now it is the data from a new group
pLimitInfo->remainGroupOffset -= 1;
pLimitInfo->currentGroupId = pBlock->info.groupId;
// ignore data block in current group
if (pLimitInfo->remainGroupOffset > 0) {
ASSERT(pTaskInfo->execModel != OPTR_EXEC_MODEL_STREAM);
continue;
}
}
// set current group id of the project operator
pLimitInfo->currentGroupId = pBlock->info.groupId;
}
// remainGroupOffset == 0
// here check for a new group data, we need to handle the data of the previous group.
if (pLimitInfo->currentGroupId != 0 && pLimitInfo->currentGroupId != pBlock->info.groupId) {
pLimitInfo->numOfOutputGroups += 1;
if ((pLimitInfo->slimit.limit > 0) && (pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups)) {
doSetOperatorCompleted(pOperator);
break;
}
// reset the value for a new group data
// existing rows that belongs to previous group.
pLimitInfo->numOfOutputRows = 0;
pLimitInfo->remainOffset = pLimitInfo->limit.offset;
}
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(pOperator->pDownstream[0], &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
pProjectInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
// set current group id
pLimitInfo->currentGroupId = pBlock->info.groupId;
if (pLimitInfo->remainOffset >= pInfo->pRes->info.rows) {
pLimitInfo->remainOffset -= pInfo->pRes->info.rows;
blockDataCleanup(pInfo->pRes);
ASSERT(pTaskInfo->execModel != OPTR_EXEC_MODEL_STREAM);
continue;
} else if (pLimitInfo->remainOffset < pInfo->pRes->info.rows && pLimitInfo->remainOffset > 0) {
blockDataTrimFirstNRows(pInfo->pRes, pLimitInfo->remainOffset);
pLimitInfo->remainOffset = 0;
ASSERT(pTaskInfo->execModel != OPTR_EXEC_MODEL_STREAM);
}
// check for the limitation in each group
if (pLimitInfo->limit.limit >= 0 &&
pLimitInfo->numOfOutputRows + pInfo->pRes->info.rows >= pLimitInfo->limit.limit) {
int32_t keepRows = (int32_t)(pLimitInfo->limit.limit - pLimitInfo->numOfOutputRows);
blockDataKeepFirstNRows(pInfo->pRes, keepRows);
ASSERT(pTaskInfo->execModel != OPTR_EXEC_MODEL_STREAM);
if (pLimitInfo->slimit.limit > 0 && pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups) {
pOperator->status = OP_EXEC_DONE;
}
}
pLimitInfo->numOfOutputRows += pInfo->pRes->info.rows;
break;
}
if (pProjectInfo->mergeDataBlocks && pTaskInfo->execModel != OPTR_EXEC_MODEL_STREAM) {
if (pRes->info.rows > 0) {
pFinalRes->info.groupId = pRes->info.groupId;
pFinalRes->info.version = pRes->info.version;
// continue merge data, ignore the group id
blockDataMerge(pFinalRes, pRes);
if (pFinalRes->info.rows + pRes->info.rows <= pOperator->resultInfo.threshold) {
continue;
}
}
// do apply filter
doFilter(pProjectInfo->pFilterNode, pFinalRes, NULL);
if (pFinalRes->info.rows > 0 || pRes->info.rows == 0) {
break;
}
} else {
// do apply filter
if (pRes->info.rows > 0) {
doFilter(pProjectInfo->pFilterNode, pRes, NULL);
if (pRes->info.rows == 0) {
continue;
}
}
break;
}
}
SSDataBlock* p = pProjectInfo->mergeDataBlocks ? pFinalRes : pRes;
pOperator->resultInfo.totalRows += p->info.rows;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (p->info.rows > 0) ? p : NULL;
}
static void doHandleRemainBlockForNewGroupImpl(SFillOperatorInfo* pInfo, SResultInfo* pResultInfo,
SExecTaskInfo* pTaskInfo) {
pInfo->totalInputRows = pInfo->existNewGroupBlock->info.rows;
......@@ -3820,30 +3556,6 @@ void destroySFillOperatorInfo(void* param, int32_t numOfOutput) {
taosMemoryFreeClear(param);
}
static void destroyProjectOperatorInfo(void* param, int32_t numOfOutput) {
if (NULL == param) {
return;
}
SProjectOperatorInfo* pInfo = (SProjectOperatorInfo*)param;
cleanupBasicInfo(&pInfo->binfo);
cleanupAggSup(&pInfo->aggSup);
taosArrayDestroy(pInfo->pPseudoColInfo);
blockDataDestroy(pInfo->pFinalRes);
taosMemoryFreeClear(param);
}
static void destroyIndefinitOperatorInfo(void* param, int32_t numOfOutput) {
SIndefOperatorInfo* pInfo = (SIndefOperatorInfo*)param;
cleanupBasicInfo(&pInfo->binfo);
taosArrayDestroy(pInfo->pPseudoColInfo);
cleanupAggSup(&pInfo->aggSup);
cleanupExprSupp(&pInfo->scalarSup);
taosMemoryFreeClear(param);
}
void destroyExchangeOperatorInfo(void* param, int32_t numOfOutput) {
SExchangeInfo* pExInfo = (SExchangeInfo*)param;
taosRemoveRef(exchangeObjRefPool, pExInfo->self);
......@@ -3863,259 +3575,6 @@ void doDestroyExchangeOperatorInfo(void* param) {
taosMemoryFreeClear(param);
}
static SArray* setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols) {
SArray* pList = taosArrayInit(4, sizeof(int32_t));
for (int32_t i = 0; i < numOfCols; ++i) {
if (fmIsPseudoColumnFunc(pCtx[i].functionId)) {
taosArrayPush(pList, &i);
}
}
return pList;
}
SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhysiNode* pProjPhyNode,
SExecTaskInfo* pTaskInfo) {
SProjectOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SProjectOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
int32_t numOfCols = 0;
SExprInfo* pExprInfo = createExprInfo(pProjPhyNode->pProjections, NULL, &numOfCols);
SSDataBlock* pResBlock = createResDataBlock(pProjPhyNode->node.pOutputDataBlockDesc);
initLimitInfo(pProjPhyNode->node.pLimit, pProjPhyNode->node.pSlimit, &pInfo->limitInfo);
pInfo->binfo.pRes = pResBlock;
pInfo->pFinalRes = createOneDataBlock(pResBlock, false);
pInfo->pFilterNode = pProjPhyNode->node.pConditions;
pInfo->mergeDataBlocks = pProjPhyNode->mergeDataBlock;
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(&pOperator->resultInfo, numOfRows);
initAggInfo(&pOperator->exprSupp, &pInfo->aggSup, pExprInfo, numOfCols, keyBufSize, pTaskInfo->id.str);
initBasicInfo(&pInfo->binfo, pResBlock);
setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfCols);
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pOperator->exprSupp.pCtx, numOfCols);
pOperator->name = "ProjectOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doProjectOperation, NULL, NULL,
destroyProjectOperatorInfo, NULL, NULL, NULL);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static void doHandleDataBlock(SOperatorInfo* pOperator, SSDataBlock* pBlock, SOperatorInfo* downstream,
SExecTaskInfo* pTaskInfo) {
int32_t order = 0;
int32_t scanFlag = 0;
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(downstream, &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
// there is an scalar expression that needs to be calculated before apply the group aggregation.
SExprSupp* pScalarSup = &pIndefInfo->scalarSup;
if (pScalarSup->pExprInfo != NULL) {
code = projectApplyFunctions(pScalarSup->pExprInfo, pBlock, pBlock, pScalarSup->pCtx, pScalarSup->numOfExprs,
pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
static SSDataBlock* doApplyIndefinitFunction(SOperatorInfo* pOperator) {
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
int64_t st = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->pDownstream[0];
while (1) {
// here we need to handle the existsed group results
if (pIndefInfo->pNextGroupRes != NULL) { // todo extract method
for (int32_t k = 0; k < pSup->numOfExprs; ++k) {
SqlFunctionCtx* pCtx = &pSup->pCtx[k];
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
pResInfo->initialized = false;
pCtx->pOutput = NULL;
}
doHandleDataBlock(pOperator, pIndefInfo->pNextGroupRes, downstream, pTaskInfo);
pIndefInfo->pNextGroupRes = NULL;
}
if (pInfo->pRes->info.rows < pOperator->resultInfo.threshold) {
while (1) {
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
doSetOperatorCompleted(pOperator);
break;
}
if (pIndefInfo->groupId == 0 && pBlock->info.groupId != 0) {
pIndefInfo->groupId = pBlock->info.groupId; // this is the initial group result
} else {
if (pIndefInfo->groupId != pBlock->info.groupId) { // reset output buffer and computing status
pIndefInfo->groupId = pBlock->info.groupId;
pIndefInfo->pNextGroupRes = pBlock;
break;
}
}
doHandleDataBlock(pOperator, pBlock, downstream, pTaskInfo);
if (pInfo->pRes->info.rows >= pOperator->resultInfo.threshold) {
break;
}
}
}
doFilter(pIndefInfo->pCondition, pInfo->pRes, NULL);
size_t rows = pInfo->pRes->info.rows;
if (rows > 0 || pOperator->status == OP_EXEC_DONE) {
break;
} else {
blockDataCleanup(pInfo->pRes);
}
}
size_t rows = pInfo->pRes->info.rows;
pOperator->resultInfo.totalRows += rows;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (rows > 0) ? pInfo->pRes : NULL;
}
SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode,
SExecTaskInfo* pTaskInfo) {
SIndefOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SIndefOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SExprSupp* pSup = &pOperator->exprSupp;
SIndefRowsFuncPhysiNode* pPhyNode = (SIndefRowsFuncPhysiNode*)pNode;
int32_t numOfExpr = 0;
SExprInfo* pExprInfo = createExprInfo(pPhyNode->pFuncs, NULL, &numOfExpr);
if (pPhyNode->pExprs != NULL) {
int32_t num = 0;
SExprInfo* pSExpr = createExprInfo(pPhyNode->pExprs, NULL, &num);
int32_t code = initExprSupp(&pInfo->scalarSup, pSExpr, num);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
}
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->node.pOutputDataBlockDesc);
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(&pOperator->resultInfo, numOfRows);
initAggInfo(pSup, &pInfo->aggSup, pExprInfo, numOfExpr, keyBufSize, pTaskInfo->id.str);
initBasicInfo(&pInfo->binfo, pResBlock);
setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr);
pInfo->binfo.pRes = pResBlock;
pInfo->pCondition = pPhyNode->node.pConditions;
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr);
pOperator->name = "IndefinitOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doApplyIndefinitFunction, NULL, NULL,
destroyIndefinitOperatorInfo, NULL, NULL, NULL);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static int32_t initFillInfo(SFillOperatorInfo* pInfo, SExprInfo* pExpr, int32_t numOfCols, SNodeListNode* pValNode,
STimeWindow win, int32_t capacity, const char* id, SInterval* pInterval, int32_t fillType) {
SFillColInfo* pColInfo = createFillColInfo(pExpr, numOfCols, pValNode);
......@@ -4508,7 +3967,6 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
return createSysTableScanOperatorInfo(pHandle, pSysScanPhyNode, pUser, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN == type) {
STagScanPhysiNode* pScanPhyNode = (STagScanPhysiNode*)pPhyNode;
int32_t code = getTableList(pHandle->meta, pHandle->vnode, pScanPhyNode, pTagCond, pTagIndexCond, pTableListInfo);
if (code != TSDB_CODE_SUCCESS) {
pTaskInfo->code = terrno;
......@@ -4559,6 +4017,8 @@ SOperatorInfo* createOperatorTree(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo
}
return createLastrowScanOperator(pScanNode, pHandle, pTaskInfo);
} else if (QUERY_NODE_PHYSICAL_PLAN_PROJECT == type) {
return createProjectOperatorInfo(NULL, (SProjectPhysiNode*)pPhyNode, pTaskInfo);
} else {
ASSERT(0);
}
......
source/libs/executor/src/projectoperator.c 0 → 100644
浏览文件 @ 4a3e5bf9
/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "executorimpl.h"
#include "functionMgt.h"
static SSDataBlock* doGenerateSourceData(SOperatorInfo* pOperator);
static SSDataBlock* doProjectOperation(SOperatorInfo* pOperator);
static SSDataBlock* doApplyIndefinitFunction(SOperatorInfo* pOperator);
static SArray* setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols);
static void setFunctionResultOutput(SOperatorInfo* pOperator, SOptrBasicInfo* pInfo, SAggSupporter* pSup, int32_t stage,
int32_t numOfExprs);
static void destroyProjectOperatorInfo(void* param, int32_t numOfOutput) {
if (NULL == param) {
return;
}
SProjectOperatorInfo* pInfo = (SProjectOperatorInfo*)param;
cleanupBasicInfo(&pInfo->binfo);
cleanupAggSup(&pInfo->aggSup);
taosArrayDestroy(pInfo->pPseudoColInfo);
blockDataDestroy(pInfo->pFinalRes);
taosMemoryFreeClear(param);
}
static void destroyIndefinitOperatorInfo(void* param, int32_t numOfOutput) {
SIndefOperatorInfo* pInfo = (SIndefOperatorInfo*)param;
cleanupBasicInfo(&pInfo->binfo);
taosArrayDestroy(pInfo->pPseudoColInfo);
cleanupAggSup(&pInfo->aggSup);
cleanupExprSupp(&pInfo->scalarSup);
taosMemoryFreeClear(param);
}
SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhysiNode* pProjPhyNode,
SExecTaskInfo* pTaskInfo) {
SProjectOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SProjectOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
int32_t numOfCols = 0;
SExprInfo* pExprInfo = createExprInfo(pProjPhyNode->pProjections, NULL, &numOfCols);
SSDataBlock* pResBlock = createResDataBlock(pProjPhyNode->node.pOutputDataBlockDesc);
initLimitInfo(pProjPhyNode->node.pLimit, pProjPhyNode->node.pSlimit, &pInfo->limitInfo);
pInfo->binfo.pRes = pResBlock;
pInfo->pFinalRes = createOneDataBlock(pResBlock, false);
pInfo->pFilterNode = pProjPhyNode->node.pConditions;
pInfo->mergeDataBlocks = pProjPhyNode->mergeDataBlock;
// todo remove it soon
if (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM) {
pInfo->mergeDataBlocks = true;
}
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(&pOperator->resultInfo, numOfRows);
initAggInfo(&pOperator->exprSupp, &pInfo->aggSup, pExprInfo, numOfCols, keyBufSize, pTaskInfo->id.str);
initBasicInfo(&pInfo->binfo, pResBlock);
setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfCols);
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pOperator->exprSupp.pCtx, numOfCols);
pOperator->name = "ProjectOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_PROJECT;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doProjectOperation, NULL, NULL,
destroyProjectOperatorInfo, NULL, NULL, NULL);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static int32_t discardGroupDataBlock(SSDataBlock* pBlock, SLimitInfo* pLimitInfo) {
if (pLimitInfo->remainGroupOffset > 0) {
// it is the first group
if (pLimitInfo->currentGroupId == 0 || pLimitInfo->currentGroupId == pBlock->info.groupId) {
pLimitInfo->currentGroupId = pBlock->info.groupId;
return PROJECT_RETRIEVE_CONTINUE;
} else if (pLimitInfo->currentGroupId != pBlock->info.groupId) {
// now it is the data from a new group
pLimitInfo->remainGroupOffset -= 1;
pLimitInfo->currentGroupId = pBlock->info.groupId;
// ignore data block in current group
if (pLimitInfo->remainGroupOffset > 0) {
return PROJECT_RETRIEVE_CONTINUE;
}
}
// set current group id of the project operator
pLimitInfo->currentGroupId = pBlock->info.groupId;
}
return PROJECT_RETRIEVE_DONE;
}
static int32_t setInfoForNewGroup(SSDataBlock* pBlock, SLimitInfo* pLimitInfo, SOperatorInfo* pOperator) {
// remainGroupOffset == 0
// here check for a new group data, we need to handle the data of the previous group.
ASSERT(pLimitInfo->remainGroupOffset == 0 || pLimitInfo->remainGroupOffset == -1);
if (pLimitInfo->currentGroupId != 0 && pLimitInfo->currentGroupId != pBlock->info.groupId) {
pLimitInfo->numOfOutputGroups += 1;
if ((pLimitInfo->slimit.limit > 0) && (pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups)) {
doSetOperatorCompleted(pOperator);
return PROJECT_RETRIEVE_DONE;
}
// reset the value for a new group data
// existing rows that belongs to previous group.
pLimitInfo->numOfOutputRows = 0;
pLimitInfo->remainOffset = pLimitInfo->limit.offset;
}
return PROJECT_RETRIEVE_DONE;
}
static int32_t doIngroupLimitOffset(SLimitInfo* pLimitInfo, uint64_t groupId, SSDataBlock* pBlock, SOperatorInfo* pOperator) {
// set current group id
pLimitInfo->currentGroupId = groupId;
if (pLimitInfo->remainOffset >= pBlock->info.rows) {
pLimitInfo->remainOffset -= pBlock->info.rows;
blockDataCleanup(pBlock);
return PROJECT_RETRIEVE_CONTINUE;
} else if (pLimitInfo->remainOffset < pBlock->info.rows && pLimitInfo->remainOffset > 0) {
blockDataTrimFirstNRows(pBlock, pLimitInfo->remainOffset);
pLimitInfo->remainOffset = 0;
}
// check for the limitation in each group
if (pLimitInfo->limit.limit >= 0 &&
pLimitInfo->numOfOutputRows + pBlock->info.rows >= pLimitInfo->limit.limit) {
int32_t keepRows = (int32_t)(pLimitInfo->limit.limit - pLimitInfo->numOfOutputRows);
blockDataKeepFirstNRows(pBlock, keepRows);
if (pLimitInfo->slimit.limit > 0 && pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups) {
doSetOperatorCompleted(pOperator);
}
}
pLimitInfo->numOfOutputRows += pBlock->info.rows;
return PROJECT_RETRIEVE_DONE;
}
SSDataBlock* doProjectOperation(SOperatorInfo* pOperator) {
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pProjectInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pInfo->pRes;
SSDataBlock* pFinalRes = pProjectInfo->pFinalRes;
blockDataCleanup(pFinalRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
if (pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE) {
pOperator->status = OP_OPENED;
return NULL;
}
return NULL;
}
int64_t st = 0;
int32_t order = 0;
int32_t scanFlag = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->pDownstream[0];
SLimitInfo* pLimitInfo = &pProjectInfo->limitInfo;
if (downstream == NULL) {
return doGenerateSourceData(pOperator);
}
while (1) {
while (1) {
blockDataCleanup(pRes);
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
doSetOperatorCompleted(pOperator);
break;
}
// for stream interval
if (pBlock->info.type == STREAM_RETRIEVE) {
return pBlock;
}
int32_t status = discardGroupDataBlock(pBlock, pLimitInfo);
if (status == PROJECT_RETRIEVE_CONTINUE) {
continue;
}
setInfoForNewGroup(pBlock, pLimitInfo, pOperator);
if (pOperator->status == OP_EXEC_DONE) {
break;
}
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(downstream, &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
pProjectInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
status = doIngroupLimitOffset(pLimitInfo, pBlock->info.groupId, pInfo->pRes, pOperator);
if (status == PROJECT_RETRIEVE_CONTINUE) {
continue;
}
break;
}
if (pProjectInfo->mergeDataBlocks) {
if (pRes->info.rows > 0) {
pFinalRes->info.groupId = pRes->info.groupId;
pFinalRes->info.version = pRes->info.version;
// continue merge data, ignore the group id
blockDataMerge(pFinalRes, pRes);
if (pFinalRes->info.rows + pRes->info.rows <= pOperator->resultInfo.threshold) {
continue;
}
}
// do apply filter
doFilter(pProjectInfo->pFilterNode, pFinalRes, NULL);
if (pFinalRes->info.rows > 0 || pRes->info.rows == 0) {
break;
}
} else {
// do apply filter
if (pRes->info.rows > 0) {
doFilter(pProjectInfo->pFilterNode, pRes, NULL);
if (pRes->info.rows == 0) {
continue;
}
}
// no results generated
break;
}
}
SSDataBlock* p = pProjectInfo->mergeDataBlocks ? pFinalRes : pRes;
pOperator->resultInfo.totalRows += p->info.rows;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (p->info.rows > 0) ? p : NULL;
}
SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode,
SExecTaskInfo* pTaskInfo) {
SIndefOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SIndefOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
goto _error;
}
SExprSupp* pSup = &pOperator->exprSupp;
SIndefRowsFuncPhysiNode* pPhyNode = (SIndefRowsFuncPhysiNode*)pNode;
int32_t numOfExpr = 0;
SExprInfo* pExprInfo = createExprInfo(pPhyNode->pFuncs, NULL, &numOfExpr);
if (pPhyNode->pExprs != NULL) {
int32_t num = 0;
SExprInfo* pSExpr = createExprInfo(pPhyNode->pExprs, NULL, &num);
int32_t code = initExprSupp(&pInfo->scalarSup, pSExpr, num);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
}
SSDataBlock* pResBlock = createResDataBlock(pPhyNode->node.pOutputDataBlockDesc);
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
// Make sure the size of SSDataBlock will never exceed the size of 2MB.
int32_t TWOMB = 2 * 1024 * 1024;
if (numOfRows * pResBlock->info.rowSize > TWOMB) {
numOfRows = TWOMB / pResBlock->info.rowSize;
}
initResultSizeInfo(&pOperator->resultInfo, numOfRows);
initAggInfo(pSup, &pInfo->aggSup, pExprInfo, numOfExpr, keyBufSize, pTaskInfo->id.str);
initBasicInfo(&pInfo->binfo, pResBlock);
setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr);
pInfo->binfo.pRes = pResBlock;
pInfo->pCondition = pPhyNode->node.pConditions;
pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr);
pOperator->name = "IndefinitOperator";
pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC;
pOperator->blocking = false;
pOperator->status = OP_NOT_OPENED;
pOperator->info = pInfo;
pOperator->pTaskInfo = pTaskInfo;
pOperator->fpSet = createOperatorFpSet(operatorDummyOpenFn, doApplyIndefinitFunction, NULL, NULL,
destroyIndefinitOperatorInfo, NULL, NULL, NULL);
int32_t code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
return pOperator;
_error:
taosMemoryFree(pInfo);
taosMemoryFree(pOperator);
pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
return NULL;
}
static void doHandleDataBlock(SOperatorInfo* pOperator, SSDataBlock* pBlock, SOperatorInfo* downstream,
SExecTaskInfo* pTaskInfo) {
int32_t order = 0;
int32_t scanFlag = 0;
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
// the pDataBlock are always the same one, no need to call this again
int32_t code = getTableScanInfo(downstream, &order, &scanFlag);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
// there is an scalar expression that needs to be calculated before apply the group aggregation.
SExprSupp* pScalarSup = &pIndefInfo->scalarSup;
if (pScalarSup->pExprInfo != NULL) {
code = projectApplyFunctions(pScalarSup->pExprInfo, pBlock, pBlock, pScalarSup->pCtx, pScalarSup->numOfExprs,
pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
setInputDataBlock(pOperator, pSup->pCtx, pBlock, order, scanFlag, false);
blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
longjmp(pTaskInfo->env, code);
}
}
SSDataBlock* doApplyIndefinitFunction(SOperatorInfo* pOperator) {
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
return NULL;
}
int64_t st = 0;
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->pDownstream[0];
while (1) {
// here we need to handle the existsed group results
if (pIndefInfo->pNextGroupRes != NULL) { // todo extract method
for (int32_t k = 0; k < pSup->numOfExprs; ++k) {
SqlFunctionCtx* pCtx = &pSup->pCtx[k];
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
pResInfo->initialized = false;
pCtx->pOutput = NULL;
}
doHandleDataBlock(pOperator, pIndefInfo->pNextGroupRes, downstream, pTaskInfo);
pIndefInfo->pNextGroupRes = NULL;
}
if (pInfo->pRes->info.rows < pOperator->resultInfo.threshold) {
while (1) {
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
if (pBlock == NULL) {
doSetOperatorCompleted(pOperator);
break;
}
if (pIndefInfo->groupId == 0 && pBlock->info.groupId != 0) {
pIndefInfo->groupId = pBlock->info.groupId; // this is the initial group result
} else {
if (pIndefInfo->groupId != pBlock->info.groupId) { // reset output buffer and computing status
pIndefInfo->groupId = pBlock->info.groupId;
pIndefInfo->pNextGroupRes = pBlock;
break;
}
}
doHandleDataBlock(pOperator, pBlock, downstream, pTaskInfo);
if (pInfo->pRes->info.rows >= pOperator->resultInfo.threshold) {
break;
}
}
}
doFilter(pIndefInfo->pCondition, pInfo->pRes, NULL);
size_t rows = pInfo->pRes->info.rows;
if (rows > 0 || pOperator->status == OP_EXEC_DONE) {
break;
} else {
blockDataCleanup(pInfo->pRes);
}
}
size_t rows = pInfo->pRes->info.rows;
pOperator->resultInfo.totalRows += rows;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (rows > 0) ? pInfo->pRes : NULL;
}
void initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size) {
for (int32_t j = 0; j < size; ++j) {
struct SResultRowEntryInfo* pResInfo = GET_RES_INFO(&pCtx[j]);
if (isRowEntryInitialized(pResInfo) || fmIsPseudoColumnFunc(pCtx[j].functionId) || pCtx[j].functionId == -1 ||
fmIsScalarFunc(pCtx[j].functionId)) {
continue;
}
pCtx[j].fpSet.init(&pCtx[j], pCtx[j].resultInfo);
}
}
/*
* The start of each column SResultRowEntryInfo is denote by RowCellInfoOffset.
* Note that in case of top/bottom query, the whole multiple rows of result is treated as only one row of results.
* +------------+-----------------result column 1------------+------------------result column 2-----------+
* | SResultRow | SResultRowEntryInfo | intermediate buffer1 | SResultRowEntryInfo | intermediate buffer 2|
* +------------+--------------------------------------------+--------------------------------------------+
* offset[0] offset[1] offset[2]
*/
// TODO refactor: some function move away
void setFunctionResultOutput(SOperatorInfo* pOperator, SOptrBasicInfo* pInfo, SAggSupporter* pSup, int32_t stage,
int32_t numOfExprs) {
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
SqlFunctionCtx* pCtx = pOperator->exprSupp.pCtx;
int32_t* rowEntryInfoOffset = pOperator->exprSupp.rowEntryInfoOffset;
SResultRowInfo* pResultRowInfo = &pInfo->resultRowInfo;
initResultRowInfo(pResultRowInfo);
int64_t tid = 0;
int64_t groupId = 0;
SResultRow* pRow = doSetResultOutBufByKey(pSup->pResultBuf, pResultRowInfo, (char*)&tid, sizeof(tid), true, groupId,
pTaskInfo, false, pSup);
for (int32_t i = 0; i < numOfExprs; ++i) {
struct SResultRowEntryInfo* pEntry = getResultEntryInfo(pRow, i, rowEntryInfoOffset);
cleanupResultRowEntry(pEntry);
pCtx[i].resultInfo = pEntry;
pCtx[i].scanFlag = stage;
}
initCtxOutputBuffer(pCtx, numOfExprs);
}
SArray* setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols) {
SArray* pList = taosArrayInit(4, sizeof(int32_t));
for (int32_t i = 0; i < numOfCols; ++i) {
if (fmIsPseudoColumnFunc(pCtx[i].functionId)) {
taosArrayPush(pList, &i);
}
}
return pList;
}
SSDataBlock* doGenerateSourceData(SOperatorInfo* pOperator) {
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pProjectInfo->binfo.pRes;
blockDataEnsureCapacity(pRes, pOperator->resultInfo.capacity);
SExprInfo* pExpr = pSup->pExprInfo;
int64_t st = taosGetTimestampUs();
for (int32_t k = 0; k < pSup->numOfExprs; ++k) {
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
ASSERT(pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE);
SColumnInfoData* pColInfoData = taosArrayGet(pRes->pDataBlock, outputSlotId);
int32_t type = pExpr[k].base.pParam[0].param.nType;
if (TSDB_DATA_TYPE_NULL == type) {
colDataAppendNNULL(pColInfoData, 0, 1);
} else {
colDataAppend(pColInfoData, 0, taosVariantGet(&pExpr[k].base.pParam[0].param, type), false);
}
}
pRes->info.rows = 1;
doFilter(pProjectInfo->pFilterNode, pRes, NULL);
/*int32_t status = */doIngroupLimitOffset(&pProjectInfo->limitInfo, 0, pRes, pOperator);
pOperator->resultInfo.totalRows += pRes->info.rows;
doSetOperatorCompleted(pOperator);
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
return (pRes->info.rows > 0) ? pRes : NULL;
}
\ No newline at end of file
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