843 lines
29 KiB
C
843 lines
29 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "executorimpl.h"
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#include "filter.h"
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#include "functionMgt.h"
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typedef struct SProjectOperatorInfo {
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SOptrBasicInfo binfo;
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SAggSupporter aggSup;
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SArray* pPseudoColInfo;
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SLimitInfo limitInfo;
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bool mergeDataBlocks;
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SSDataBlock* pFinalRes;
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} SProjectOperatorInfo;
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typedef struct SIndefOperatorInfo {
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SOptrBasicInfo binfo;
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SAggSupporter aggSup;
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SArray* pPseudoColInfo;
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SExprSupp scalarSup;
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uint64_t groupId;
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SSDataBlock* pNextGroupRes;
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} SIndefOperatorInfo;
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static SSDataBlock* doGenerateSourceData(SOperatorInfo* pOperator);
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static SSDataBlock* doProjectOperation(SOperatorInfo* pOperator);
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static SSDataBlock* doApplyIndefinitFunction(SOperatorInfo* pOperator);
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static SArray* setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols);
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static void setFunctionResultOutput(SOperatorInfo* pOperator, SOptrBasicInfo* pInfo, SAggSupporter* pSup, int32_t stage,
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int32_t numOfExprs);
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static void destroyProjectOperatorInfo(void* param) {
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if (NULL == param) {
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return;
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}
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SProjectOperatorInfo* pInfo = (SProjectOperatorInfo*)param;
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cleanupBasicInfo(&pInfo->binfo);
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cleanupAggSup(&pInfo->aggSup);
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taosArrayDestroy(pInfo->pPseudoColInfo);
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blockDataDestroy(pInfo->pFinalRes);
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taosMemoryFreeClear(param);
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}
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static void destroyIndefinitOperatorInfo(void* param) {
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SIndefOperatorInfo* pInfo = (SIndefOperatorInfo*)param;
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if (pInfo == NULL) {
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return;
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}
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cleanupBasicInfo(&pInfo->binfo);
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taosArrayDestroy(pInfo->pPseudoColInfo);
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cleanupAggSup(&pInfo->aggSup);
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cleanupExprSupp(&pInfo->scalarSup);
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taosMemoryFreeClear(param);
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}
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SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhysiNode* pProjPhyNode,
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SExecTaskInfo* pTaskInfo) {
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int32_t code = TSDB_CODE_SUCCESS;
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SProjectOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SProjectOperatorInfo));
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SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
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if (pInfo == NULL || pOperator == NULL) {
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code = TSDB_CODE_OUT_OF_MEMORY;
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goto _error;
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}
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pOperator->pTaskInfo = pTaskInfo;
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int32_t numOfCols = 0;
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SExprInfo* pExprInfo = createExprInfo(pProjPhyNode->pProjections, NULL, &numOfCols);
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SSDataBlock* pResBlock = createDataBlockFromDescNode(pProjPhyNode->node.pOutputDataBlockDesc);
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initLimitInfo(pProjPhyNode->node.pLimit, pProjPhyNode->node.pSlimit, &pInfo->limitInfo);
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pInfo->binfo.pRes = pResBlock;
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pInfo->pFinalRes = createOneDataBlock(pResBlock, false);
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if (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM) {
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pInfo->mergeDataBlocks = false;
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} else {
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if (!pProjPhyNode->ignoreGroupId) {
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pInfo->mergeDataBlocks = false;
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} else {
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pInfo->mergeDataBlocks = pProjPhyNode->mergeDataBlock;
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}
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}
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int32_t numOfRows = 4096;
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size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
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// Make sure the size of SSDataBlock will never exceed the size of 2MB.
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int32_t TWOMB = 2 * 1024 * 1024;
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if (numOfRows * pResBlock->info.rowSize > TWOMB) {
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numOfRows = TWOMB / pResBlock->info.rowSize;
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}
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initResultSizeInfo(&pOperator->resultInfo, numOfRows);
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code = initAggSup(&pOperator->exprSupp, &pInfo->aggSup, pExprInfo, numOfCols, keyBufSize, pTaskInfo->id.str,
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pTaskInfo->streamInfo.pState);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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initBasicInfo(&pInfo->binfo, pResBlock);
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setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfCols);
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code = filterInitFromNode((SNode*)pProjPhyNode->node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pOperator->exprSupp.pCtx, numOfCols);
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setOperatorInfo(pOperator, "ProjectOperator", QUERY_NODE_PHYSICAL_PLAN_PROJECT, false, OP_NOT_OPENED, pInfo,
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pTaskInfo);
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pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doProjectOperation, NULL, destroyProjectOperatorInfo,
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optrDefaultBufFn, NULL);
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code = appendDownstream(pOperator, &downstream, 1);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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return pOperator;
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_error:
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destroyProjectOperatorInfo(pInfo);
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taosMemoryFree(pOperator);
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pTaskInfo->code = code;
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return NULL;
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}
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static int32_t discardGroupDataBlock(SSDataBlock* pBlock, SLimitInfo* pLimitInfo) {
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if (pLimitInfo->remainGroupOffset > 0) {
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// it is the first group
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if (pLimitInfo->currentGroupId == 0 || pLimitInfo->currentGroupId == pBlock->info.id.groupId) {
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pLimitInfo->currentGroupId = pBlock->info.id.groupId;
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return PROJECT_RETRIEVE_CONTINUE;
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} else if (pLimitInfo->currentGroupId != pBlock->info.id.groupId) {
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// now it is the data from a new group
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pLimitInfo->remainGroupOffset -= 1;
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pLimitInfo->currentGroupId = pBlock->info.id.groupId;
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// ignore data block in current group
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if (pLimitInfo->remainGroupOffset > 0) {
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return PROJECT_RETRIEVE_CONTINUE;
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}
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}
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// set current group id of the project operator
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pLimitInfo->currentGroupId = pBlock->info.id.groupId;
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}
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return PROJECT_RETRIEVE_DONE;
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}
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static int32_t setInfoForNewGroup(SSDataBlock* pBlock, SLimitInfo* pLimitInfo, SOperatorInfo* pOperator) {
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// remainGroupOffset == 0
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// here check for a new group data, we need to handle the data of the previous group.
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ASSERT(pLimitInfo->remainGroupOffset == 0 || pLimitInfo->remainGroupOffset == -1);
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if (pLimitInfo->currentGroupId != 0 && pLimitInfo->currentGroupId != pBlock->info.id.groupId) {
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pLimitInfo->numOfOutputGroups += 1;
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if ((pLimitInfo->slimit.limit > 0) && (pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups)) {
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setOperatorCompleted(pOperator);
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return PROJECT_RETRIEVE_DONE;
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}
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// reset the value for a new group data
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// existing rows that belongs to previous group.
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resetLimitInfoForNextGroup(pLimitInfo);
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}
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return PROJECT_RETRIEVE_DONE;
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}
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// todo refactor
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static int32_t doIngroupLimitOffset(SLimitInfo* pLimitInfo, uint64_t groupId, SSDataBlock* pBlock,
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SOperatorInfo* pOperator) {
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// set current group id
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pLimitInfo->currentGroupId = groupId;
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bool limitReached = applyLimitOffset(pLimitInfo, pBlock, pOperator->pTaskInfo);
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if (pBlock->info.rows == 0) {
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return PROJECT_RETRIEVE_CONTINUE;
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} else {
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if (limitReached && (pLimitInfo->slimit.limit > 0 && pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups)) {
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setOperatorCompleted(pOperator);
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}
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}
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return PROJECT_RETRIEVE_DONE;
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}
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SSDataBlock* doProjectOperation(SOperatorInfo* pOperator) {
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SProjectOperatorInfo* pProjectInfo = pOperator->info;
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SOptrBasicInfo* pInfo = &pProjectInfo->binfo;
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SExprSupp* pSup = &pOperator->exprSupp;
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SSDataBlock* pRes = pInfo->pRes;
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SSDataBlock* pFinalRes = pProjectInfo->pFinalRes;
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blockDataCleanup(pFinalRes);
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SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
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if (pTaskInfo->streamInfo.submit.msgStr) {
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pOperator->status = OP_OPENED;
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}
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if (pOperator->status == OP_EXEC_DONE) {
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if (pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE) {
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pOperator->status = OP_OPENED;
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qDebug("projection in queue model, set status open and return null");
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return NULL;
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}
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return NULL;
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}
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int64_t st = 0;
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int32_t order = 0;
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int32_t scanFlag = 0;
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if (pOperator->cost.openCost == 0) {
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st = taosGetTimestampUs();
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}
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SOperatorInfo* downstream = pOperator->pDownstream[0];
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SLimitInfo* pLimitInfo = &pProjectInfo->limitInfo;
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if (downstream == NULL) {
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return doGenerateSourceData(pOperator);
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}
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while (1) {
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while (1) {
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blockDataCleanup(pRes);
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// The downstream exec may change the value of the newgroup, so use a local variable instead.
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SSDataBlock* pBlock = downstream->fpSet.getNextFn(downstream);
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if (pBlock == NULL) {
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if (pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE && pFinalRes->info.rows == 0) {
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pOperator->status = OP_OPENED;
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if (pOperator->status == OP_EXEC_RECV) {
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continue;
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} else {
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return NULL;
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}
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}
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qDebug("set op close, exec %d, status %d rows %d", pTaskInfo->execModel, pOperator->status,
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pFinalRes->info.rows);
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setOperatorCompleted(pOperator);
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break;
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}
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if (pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE) {
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qDebug("set status recv");
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pOperator->status = OP_EXEC_RECV;
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}
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// for stream interval
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if (pBlock->info.type == STREAM_RETRIEVE || pBlock->info.type == STREAM_DELETE_RESULT ||
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pBlock->info.type == STREAM_DELETE_DATA || pBlock->info.type == STREAM_CREATE_CHILD_TABLE) {
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return pBlock;
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}
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int32_t status = discardGroupDataBlock(pBlock, pLimitInfo);
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if (status == PROJECT_RETRIEVE_CONTINUE) {
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continue;
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}
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setInfoForNewGroup(pBlock, pLimitInfo, pOperator);
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if (pOperator->status == OP_EXEC_DONE) {
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break;
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}
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// the pDataBlock are always the same one, no need to call this again
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int32_t code = getTableScanInfo(downstream, &order, &scanFlag, false);
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if (code != TSDB_CODE_SUCCESS) {
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T_LONG_JMP(pTaskInfo->env, code);
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}
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setInputDataBlock(pSup, pBlock, order, scanFlag, false);
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blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
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code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
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pProjectInfo->pPseudoColInfo);
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if (code != TSDB_CODE_SUCCESS) {
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T_LONG_JMP(pTaskInfo->env, code);
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}
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status = doIngroupLimitOffset(pLimitInfo, pBlock->info.id.groupId, pInfo->pRes, pOperator);
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if (status == PROJECT_RETRIEVE_CONTINUE) {
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continue;
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}
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break;
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}
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if (pProjectInfo->mergeDataBlocks) {
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if (pRes->info.rows > 0) {
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pFinalRes->info.id.groupId = 0; // clear groupId
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pFinalRes->info.version = pRes->info.version;
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// continue merge data, ignore the group id
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blockDataMerge(pFinalRes, pRes);
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if (pFinalRes->info.rows + pRes->info.rows <= pOperator->resultInfo.threshold) {
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continue;
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}
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}
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// do apply filter
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doFilter(pFinalRes, pOperator->exprSupp.pFilterInfo, NULL);
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// when apply the limit/offset for each group, pRes->info.rows may be 0, due to limit constraint.
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if (pFinalRes->info.rows > 0 || (pOperator->status == OP_EXEC_DONE)) {
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qDebug("project return %d rows, status %d", pFinalRes->info.rows, pOperator->status);
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break;
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}
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} else {
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// do apply filter
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if (pRes->info.rows > 0) {
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doFilter(pRes, pOperator->exprSupp.pFilterInfo, NULL);
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if (pRes->info.rows == 0) {
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continue;
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}
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}
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// no results generated
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break;
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}
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}
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SSDataBlock* p = pProjectInfo->mergeDataBlocks ? pFinalRes : pRes;
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pOperator->resultInfo.totalRows += p->info.rows;
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p->info.dataLoad = 1;
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if (pOperator->cost.openCost == 0) {
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pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
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}
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return (p->info.rows > 0) ? p : NULL;
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}
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SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode,
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SExecTaskInfo* pTaskInfo) {
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SIndefOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SIndefOperatorInfo));
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SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
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if (pInfo == NULL || pOperator == NULL) {
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goto _error;
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}
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pOperator->pTaskInfo = pTaskInfo;
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SExprSupp* pSup = &pOperator->exprSupp;
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SIndefRowsFuncPhysiNode* pPhyNode = (SIndefRowsFuncPhysiNode*)pNode;
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int32_t numOfExpr = 0;
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SExprInfo* pExprInfo = createExprInfo(pPhyNode->pFuncs, NULL, &numOfExpr);
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if (pPhyNode->pExprs != NULL) {
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int32_t num = 0;
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SExprInfo* pSExpr = createExprInfo(pPhyNode->pExprs, NULL, &num);
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int32_t code = initExprSupp(&pInfo->scalarSup, pSExpr, num);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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}
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SSDataBlock* pResBlock = createDataBlockFromDescNode(pPhyNode->node.pOutputDataBlockDesc);
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int32_t numOfRows = 4096;
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size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
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// Make sure the size of SSDataBlock will never exceed the size of 2MB.
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int32_t TWOMB = 2 * 1024 * 1024;
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if (numOfRows * pResBlock->info.rowSize > TWOMB) {
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numOfRows = TWOMB / pResBlock->info.rowSize;
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}
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initBasicInfo(&pInfo->binfo, pResBlock);
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initResultSizeInfo(&pOperator->resultInfo, numOfRows);
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blockDataEnsureCapacity(pResBlock, numOfRows);
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int32_t code = initAggSup(pSup, &pInfo->aggSup, pExprInfo, numOfExpr, keyBufSize, pTaskInfo->id.str,
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pTaskInfo->streamInfo.pState);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr);
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code = filterInitFromNode((SNode*)pPhyNode->node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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pInfo->binfo.pRes = pResBlock;
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pInfo->pPseudoColInfo = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr);
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setOperatorInfo(pOperator, "IndefinitOperator", QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC, false, OP_NOT_OPENED, pInfo,
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pTaskInfo);
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pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doApplyIndefinitFunction, NULL, destroyIndefinitOperatorInfo,
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optrDefaultBufFn, NULL);
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code = appendDownstream(pOperator, &downstream, 1);
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if (code != TSDB_CODE_SUCCESS) {
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goto _error;
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}
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return pOperator;
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_error:
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destroyIndefinitOperatorInfo(pInfo);
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taosMemoryFree(pOperator);
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pTaskInfo->code = TSDB_CODE_OUT_OF_MEMORY;
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return NULL;
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}
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static void doHandleDataBlock(SOperatorInfo* pOperator, SSDataBlock* pBlock, SOperatorInfo* downstream,
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SExecTaskInfo* pTaskInfo) {
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int32_t order = 0;
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int32_t scanFlag = 0;
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SIndefOperatorInfo* pIndefInfo = pOperator->info;
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SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
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SExprSupp* pSup = &pOperator->exprSupp;
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// the pDataBlock are always the same one, no need to call this again
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int32_t code = getTableScanInfo(downstream, &order, &scanFlag, false);
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if (code != TSDB_CODE_SUCCESS) {
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T_LONG_JMP(pTaskInfo->env, code);
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}
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// there is an scalar expression that needs to be calculated before apply the group aggregation.
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SExprSupp* pScalarSup = &pIndefInfo->scalarSup;
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if (pScalarSup->pExprInfo != NULL) {
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code = projectApplyFunctions(pScalarSup->pExprInfo, pBlock, pBlock, pScalarSup->pCtx, pScalarSup->numOfExprs,
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pIndefInfo->pPseudoColInfo);
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if (code != TSDB_CODE_SUCCESS) {
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T_LONG_JMP(pTaskInfo->env, code);
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}
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}
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setInputDataBlock(pSup, pBlock, order, scanFlag, false);
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blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
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code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
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pIndefInfo->pPseudoColInfo);
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if (code != TSDB_CODE_SUCCESS) {
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|
T_LONG_JMP(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) {
|
|
setOperatorCompleted(pOperator);
|
|
break;
|
|
}
|
|
|
|
if (pIndefInfo->groupId == 0 && pBlock->info.id.groupId != 0) {
|
|
pIndefInfo->groupId = pBlock->info.id.groupId; // this is the initial group result
|
|
} else {
|
|
if (pIndefInfo->groupId != pBlock->info.id.groupId) { // reset output buffer and computing status
|
|
pIndefInfo->groupId = pBlock->info.id.groupId;
|
|
pIndefInfo->pNextGroupRes = pBlock;
|
|
break;
|
|
}
|
|
}
|
|
|
|
doHandleDataBlock(pOperator, pBlock, downstream, pTaskInfo);
|
|
if (pInfo->pRes->info.rows >= pOperator->resultInfo.threshold) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
doFilter(pInfo->pRes, pOperator->exprSupp.pFilterInfo, 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, true);
|
|
|
|
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) {
|
|
colDataSetNNULL(pColInfoData, 0, 1);
|
|
} else {
|
|
colDataSetVal(pColInfoData, 0, taosVariantGet(&pExpr[k].base.pParam[0].param, type), false);
|
|
}
|
|
}
|
|
|
|
pRes->info.rows = 1;
|
|
doFilter(pRes, pOperator->exprSupp.pFilterInfo, NULL);
|
|
|
|
/*int32_t status = */ doIngroupLimitOffset(&pProjectInfo->limitInfo, 0, pRes, pOperator);
|
|
|
|
pOperator->resultInfo.totalRows += pRes->info.rows;
|
|
|
|
setOperatorCompleted(pOperator);
|
|
if (pOperator->cost.openCost == 0) {
|
|
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
|
|
}
|
|
|
|
return (pRes->info.rows > 0) ? pRes : NULL;
|
|
}
|
|
|
|
static void setPseudoOutputColInfo(SSDataBlock* pResult, SqlFunctionCtx* pCtx, SArray* pPseudoList) {
|
|
size_t num = (pPseudoList != NULL) ? taosArrayGetSize(pPseudoList) : 0;
|
|
for (int32_t i = 0; i < num; ++i) {
|
|
pCtx[i].pOutput = taosArrayGet(pResult->pDataBlock, i);
|
|
}
|
|
}
|
|
|
|
int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBlock* pSrcBlock, SqlFunctionCtx* pCtx,
|
|
int32_t numOfOutput, SArray* pPseudoList) {
|
|
setPseudoOutputColInfo(pResult, pCtx, pPseudoList);
|
|
pResult->info.dataLoad = 1;
|
|
|
|
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) {
|
|
colDataSetNNULL(pColInfoData, 0, 1);
|
|
} else {
|
|
colDataSetVal(pColInfoData, 0, taosVariantGet(&pExpr[k].base.pParam[0].param, type), false);
|
|
}
|
|
}
|
|
|
|
pResult->info.rows = 1;
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|
|
|
|
if (pResult != pSrcBlock) {
|
|
pResult->info.id.groupId = pSrcBlock->info.id.groupId;
|
|
memcpy(pResult->info.parTbName, pSrcBlock->info.parTbName, TSDB_TABLE_NAME_LEN);
|
|
}
|
|
|
|
// if the source equals to the destination, it is to create a new column as the result of scalar
|
|
// function or some operators.
|
|
bool createNewColModel = (pResult == pSrcBlock);
|
|
if (createNewColModel) {
|
|
blockDataEnsureCapacity(pResult, pResult->info.rows);
|
|
}
|
|
|
|
int32_t numOfRows = 0;
|
|
|
|
for (int32_t k = 0; k < numOfOutput; ++k) {
|
|
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
|
|
SqlFunctionCtx* pfCtx = &pCtx[k];
|
|
SInputColumnInfoData* pInputData = &pfCtx->input;
|
|
|
|
if (pExpr[k].pExpr->nodeType == QUERY_NODE_COLUMN) { // it is a project query
|
|
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
|
|
if (pResult->info.rows > 0 && !createNewColModel) {
|
|
if (pInputData->pData[0] == NULL) {
|
|
int32_t slotId = pfCtx->param[0].pCol->slotId;
|
|
|
|
SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
|
|
|
|
colDataMergeCol(pColInfoData, pResult->info.rows, (int32_t*)&pResult->info.capacity, pInput,
|
|
pSrcBlock->info.rows);
|
|
} else {
|
|
colDataMergeCol(pColInfoData, pResult->info.rows, (int32_t*)&pResult->info.capacity, pInputData->pData[0],
|
|
pInputData->numOfRows);
|
|
}
|
|
} else {
|
|
if (pInputData->pData[0] == NULL) {
|
|
int32_t slotId = pfCtx->param[0].pCol->slotId;
|
|
|
|
SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
|
|
colDataAssign(pColInfoData, pInput, pSrcBlock->info.rows, &pResult->info);
|
|
|
|
numOfRows = pSrcBlock->info.rows;
|
|
} else {
|
|
colDataAssign(pColInfoData, pInputData->pData[0], pInputData->numOfRows, &pResult->info);
|
|
numOfRows = pInputData->numOfRows;
|
|
}
|
|
}
|
|
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
|
|
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
|
|
|
|
int32_t offset = createNewColModel ? 0 : pResult->info.rows;
|
|
|
|
int32_t type = pExpr[k].base.pParam[0].param.nType;
|
|
if (TSDB_DATA_TYPE_NULL == type) {
|
|
colDataSetNNULL(pColInfoData, offset, pSrcBlock->info.rows);
|
|
} else {
|
|
char* p = taosVariantGet(&pExpr[k].base.pParam[0].param, type);
|
|
for (int32_t i = 0; i < pSrcBlock->info.rows; ++i) {
|
|
colDataSetVal(pColInfoData, i + offset, p, false);
|
|
}
|
|
}
|
|
|
|
numOfRows = pSrcBlock->info.rows;
|
|
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_OPERATOR) {
|
|
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
|
|
taosArrayPush(pBlockList, &pSrcBlock);
|
|
|
|
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
|
|
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
|
|
|
|
SScalarParam dest = {.columnData = &idata};
|
|
int32_t code = scalarCalculate(pExpr[k].pExpr->_optrRoot.pRootNode, pBlockList, &dest);
|
|
if (code != TSDB_CODE_SUCCESS) {
|
|
taosArrayDestroy(pBlockList);
|
|
return code;
|
|
}
|
|
|
|
int32_t startOffset = createNewColModel ? 0 : pResult->info.rows;
|
|
ASSERT(pResult->info.capacity > 0);
|
|
|
|
colDataMergeCol(pResColData, startOffset, (int32_t*)&pResult->info.capacity, &idata, dest.numOfRows);
|
|
colDataDestroy(&idata);
|
|
|
|
numOfRows = dest.numOfRows;
|
|
taosArrayDestroy(pBlockList);
|
|
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_FUNCTION) {
|
|
// _rowts/_c0, not tbname column
|
|
if (fmIsPseudoColumnFunc(pfCtx->functionId) && (!fmIsScanPseudoColumnFunc(pfCtx->functionId))) {
|
|
// do nothing
|
|
} else if (fmIsIndefiniteRowsFunc(pfCtx->functionId)) {
|
|
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pfCtx);
|
|
pfCtx->fpSet.init(pfCtx, pResInfo);
|
|
|
|
pfCtx->pOutput = taosArrayGet(pResult->pDataBlock, outputSlotId);
|
|
pfCtx->offset = createNewColModel ? 0 : pResult->info.rows; // set the start offset
|
|
|
|
// set the timestamp(_rowts) output buffer
|
|
if (taosArrayGetSize(pPseudoList) > 0) {
|
|
int32_t* outputColIndex = taosArrayGet(pPseudoList, 0);
|
|
pfCtx->pTsOutput = (SColumnInfoData*)pCtx[*outputColIndex].pOutput;
|
|
}
|
|
|
|
// link pDstBlock to set selectivity value
|
|
if (pfCtx->subsidiaries.num > 0) {
|
|
pfCtx->pDstBlock = pResult;
|
|
}
|
|
|
|
int32_t code = pfCtx->fpSet.process(pfCtx);
|
|
if (code != TSDB_CODE_SUCCESS) {
|
|
return code;
|
|
}
|
|
numOfRows = pResInfo->numOfRes;
|
|
} else if (fmIsAggFunc(pfCtx->functionId)) {
|
|
// selective value output should be set during corresponding function execution
|
|
if (fmIsSelectValueFunc(pfCtx->functionId)) {
|
|
continue;
|
|
}
|
|
// _group_key function for "partition by tbname" + csum(col_name) query
|
|
SColumnInfoData* pOutput = taosArrayGet(pResult->pDataBlock, outputSlotId);
|
|
int32_t slotId = pfCtx->param[0].pCol->slotId;
|
|
|
|
// todo handle the json tag
|
|
SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
|
|
for (int32_t f = 0; f < pSrcBlock->info.rows; ++f) {
|
|
bool isNull = colDataIsNull_s(pInput, f);
|
|
if (isNull) {
|
|
colDataSetNULL(pOutput, pResult->info.rows + f);
|
|
} else {
|
|
char* data = colDataGetData(pInput, f);
|
|
colDataSetVal(pOutput, pResult->info.rows + f, data, isNull);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
|
|
taosArrayPush(pBlockList, &pSrcBlock);
|
|
|
|
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
|
|
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
|
|
|
|
SScalarParam dest = {.columnData = &idata};
|
|
int32_t code = scalarCalculate((SNode*)pExpr[k].pExpr->_function.pFunctNode, pBlockList, &dest);
|
|
if (code != TSDB_CODE_SUCCESS) {
|
|
taosArrayDestroy(pBlockList);
|
|
return code;
|
|
}
|
|
|
|
int32_t startOffset = createNewColModel ? 0 : pResult->info.rows;
|
|
ASSERT(pResult->info.capacity > 0);
|
|
colDataMergeCol(pResColData, startOffset, (int32_t*)&pResult->info.capacity, &idata, dest.numOfRows);
|
|
colDataDestroy(&idata);
|
|
|
|
numOfRows = dest.numOfRows;
|
|
taosArrayDestroy(pBlockList);
|
|
}
|
|
} else {
|
|
return TSDB_CODE_OPS_NOT_SUPPORT;
|
|
}
|
|
}
|
|
|
|
if (!createNewColModel) {
|
|
pResult->info.rows += numOfRows;
|
|
}
|
|
|
|
return TSDB_CODE_SUCCESS;
|
|
}
|