homework-jianmu/source/libs/executor/src/projectoperator.c

1183 lines
40 KiB
C

/*
* 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 "executorInt.h"
#include "filter.h"
#include "functionMgt.h"
#include "operator.h"
#include "querytask.h"
#include "tdatablock.h"
typedef struct SProjectOperatorInfo {
SOptrBasicInfo binfo;
SAggSupporter aggSup;
SArray* pPseudoColInfo;
SLimitInfo limitInfo;
bool mergeDataBlocks;
SSDataBlock* pFinalRes;
bool inputIgnoreGroup;
bool outputIgnoreGroup;
} SProjectOperatorInfo;
typedef struct SIndefOperatorInfo {
SOptrBasicInfo binfo;
SAggSupporter aggSup;
SArray* pPseudoColInfo;
SExprSupp scalarSup;
uint64_t groupId;
SSDataBlock* pNextGroupRes;
} SIndefOperatorInfo;
static int32_t doGenerateSourceData(SOperatorInfo* pOperator);
static SSDataBlock* doProjectOperation1(SOperatorInfo* pOperator);
static int32_t doProjectOperation(SOperatorInfo* pOperator, SSDataBlock** pResBlock);
static SSDataBlock* doApplyIndefinitFunction1(SOperatorInfo* pOperator);
static int32_t doApplyIndefinitFunction(SOperatorInfo* pOperator, SSDataBlock** pResBlock);
static int32_t setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols, SArray** pResList);
static int32_t setFunctionResultOutput(SOperatorInfo* pOperator, SOptrBasicInfo* pInfo, SAggSupporter* pSup,
int32_t stage, int32_t numOfExprs);
static void destroyProjectOperatorInfo(void* param) {
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) {
SIndefOperatorInfo* pInfo = (SIndefOperatorInfo*)param;
if (pInfo == NULL) {
return;
}
cleanupBasicInfo(&pInfo->binfo);
taosArrayDestroy(pInfo->pPseudoColInfo);
cleanupAggSup(&pInfo->aggSup);
cleanupExprSupp(&pInfo->scalarSup);
taosMemoryFreeClear(param);
}
void streamOperatorReleaseState(SOperatorInfo* pOperator) {
SOperatorInfo* downstream = pOperator->pDownstream[0];
if (downstream->fpSet.releaseStreamStateFn) {
downstream->fpSet.releaseStreamStateFn(downstream);
}
}
void streamOperatorReloadState(SOperatorInfo* pOperator) {
SOperatorInfo* downstream = pOperator->pDownstream[0];
if (downstream->fpSet.reloadStreamStateFn) {
downstream->fpSet.reloadStreamStateFn(downstream);
}
}
int32_t createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhysiNode* pProjPhyNode, SExecTaskInfo* pTaskInfo,
SOperatorInfo** pOptrInfo) {
QRY_PARAM_CHECK(pOptrInfo);
int32_t code = TSDB_CODE_SUCCESS;
SProjectOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SProjectOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
code = terrno;
goto _error;
}
pOperator->exprSupp.hasWindowOrGroup = false;
pOperator->pTaskInfo = pTaskInfo;
int32_t lino = 0;
SSDataBlock* pResBlock = createDataBlockFromDescNode(pProjPhyNode->node.pOutputDataBlockDesc);
TSDB_CHECK_NULL(pResBlock, code, lino, _error, terrno);
initLimitInfo(pProjPhyNode->node.pLimit, pProjPhyNode->node.pSlimit, &pInfo->limitInfo);
pInfo->binfo.pRes = pResBlock;
pInfo->pFinalRes = NULL;
code = createOneDataBlock(pResBlock, false, &pInfo->pFinalRes);
TSDB_CHECK_CODE(code, lino, _error);
pInfo->binfo.inputTsOrder = pProjPhyNode->node.inputTsOrder;
pInfo->binfo.outputTsOrder = pProjPhyNode->node.outputTsOrder;
pInfo->inputIgnoreGroup = pProjPhyNode->inputIgnoreGroup;
pInfo->outputIgnoreGroup = pProjPhyNode->ignoreGroupId;
if (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM || pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE) {
pInfo->mergeDataBlocks = false;
} else {
if (!pProjPhyNode->ignoreGroupId) {
pInfo->mergeDataBlocks = false;
} else {
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);
int32_t numOfCols = 0;
SExprInfo* pExprInfo = NULL;
code = createExprInfo(pProjPhyNode->pProjections, NULL, &pExprInfo, &numOfCols);
TSDB_CHECK_CODE(code, lino, _error);
code = initAggSup(&pOperator->exprSupp, &pInfo->aggSup, pExprInfo, numOfCols, keyBufSize, pTaskInfo->id.str,
pTaskInfo->streamInfo.pState, &pTaskInfo->storageAPI.functionStore);
TSDB_CHECK_CODE(code, lino, _error);
initBasicInfo(&pInfo->binfo, pResBlock);
code = setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfCols);
TSDB_CHECK_CODE(code, lino, _error);
code = filterInitFromNode((SNode*)pProjPhyNode->node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
TSDB_CHECK_CODE(code, lino, _error);
code = setRowTsColumnOutputInfo(pOperator->exprSupp.pCtx, numOfCols, &pInfo->pPseudoColInfo);
TSDB_CHECK_CODE(code, lino, _error);
setOperatorInfo(pOperator, "ProjectOperator", QUERY_NODE_PHYSICAL_PLAN_PROJECT, false, OP_NOT_OPENED, pInfo,
pTaskInfo);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doProjectOperation, NULL, destroyProjectOperatorInfo,
optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
setOperatorStreamStateFn(pOperator, streamOperatorReleaseState, streamOperatorReloadState);
if (NULL != downstream) {
code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
}
*pOptrInfo = pOperator;
return TSDB_CODE_SUCCESS;
_error:
if (pInfo != NULL) destroyProjectOperatorInfo(pInfo);
destroyOperatorAndDownstreams(pOperator, &downstream, 1);
pTaskInfo->code = code;
return code;
}
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.id.groupId) {
pLimitInfo->currentGroupId = pBlock->info.id.groupId;
return PROJECT_RETRIEVE_CONTINUE;
} else if (pLimitInfo->currentGroupId != pBlock->info.id.groupId) {
// now it is the data from a new group
pLimitInfo->remainGroupOffset -= 1;
pLimitInfo->currentGroupId = pBlock->info.id.groupId;
// ignore data block in current group
if (pLimitInfo->remainGroupOffset > 0) {
return PROJECT_RETRIEVE_CONTINUE;
}
pLimitInfo->currentGroupId = 0;
}
}
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.
if (!(pLimitInfo->remainGroupOffset == 0 || pLimitInfo->remainGroupOffset == -1)) {
qError("project failed at: %s:%d", __func__, __LINE__);
return TSDB_CODE_INVALID_PARA;
}
bool newGroup = false;
if (0 == pBlock->info.id.groupId) {
pLimitInfo->numOfOutputGroups = 1;
} else if (pLimitInfo->currentGroupId != pBlock->info.id.groupId) {
pLimitInfo->currentGroupId = pBlock->info.id.groupId;
pLimitInfo->numOfOutputGroups += 1;
newGroup = true;
} else {
return PROJECT_RETRIEVE_CONTINUE;
}
if ((pLimitInfo->slimit.limit >= 0) && (pLimitInfo->slimit.limit < pLimitInfo->numOfOutputGroups)) {
setOperatorCompleted(pOperator);
return PROJECT_RETRIEVE_DONE;
}
// reset the value for a new group data
// existing rows that belongs to previous group.
if (newGroup) {
resetLimitInfoForNextGroup(pLimitInfo);
}
return PROJECT_RETRIEVE_CONTINUE;
}
// todo refactor
static int32_t doIngroupLimitOffset(SLimitInfo* pLimitInfo, uint64_t groupId, SSDataBlock* pBlock,
SOperatorInfo* pOperator) {
// set current group id
pLimitInfo->currentGroupId = groupId;
bool limitReached = applyLimitOffset(pLimitInfo, pBlock, pOperator->pTaskInfo);
if (pBlock->info.rows == 0 && 0 != pLimitInfo->limit.limit) {
return PROJECT_RETRIEVE_CONTINUE;
} else {
if (limitReached && (pLimitInfo->slimit.limit >= 0 && pLimitInfo->slimit.limit <= pLimitInfo->numOfOutputGroups)) {
setOperatorCompleted(pOperator);
} else if (limitReached && groupId == 0) {
setOperatorCompleted(pOperator);
}
}
return PROJECT_RETRIEVE_DONE;
}
int32_t doProjectOperation(SOperatorInfo* pOperator, SSDataBlock** pResBlock) {
QRY_PARAM_CHECK(pResBlock);
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pProjectInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pInfo->pRes;
SSDataBlock* pFinalRes = pProjectInfo->pFinalRes;
int32_t code = 0;
int32_t lino = 0;
int64_t st = 0;
int32_t order = pInfo->inputTsOrder;
int32_t scanFlag = 0;
blockDataCleanup(pFinalRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
return code;
}
if (pOperator->cost.openCost == 0) {
st = taosGetTimestampUs();
}
SOperatorInfo* downstream = pOperator->numOfDownstream > 0 ? pOperator->pDownstream[0] : NULL;
SLimitInfo* pLimitInfo = &pProjectInfo->limitInfo;
if (downstream == NULL) {
code = doGenerateSourceData(pOperator);
QUERY_CHECK_CODE(code, lino, _end);
if (pProjectInfo->outputIgnoreGroup) {
pRes->info.id.groupId = 0;
}
*pResBlock = (pRes->info.rows > 0)? pRes:NULL;
return code;
}
while (1) {
while (1) {
blockDataCleanup(pRes);
// The downstream exec may change the value of the newgroup, so use a local variable instead.
SSDataBlock* pBlock = getNextBlockFromDownstream(pOperator, 0);
if (pBlock == NULL) {
qDebug("set op close, exec %d, status %d rows %" PRId64 , pTaskInfo->execModel, pOperator->status, pFinalRes->info.rows);
setOperatorCompleted(pOperator);
break;
}
// if (pTaskInfo->execModel == OPTR_EXEC_MODEL_QUEUE) {
// qDebug("set status recv");
// pOperator->status = OP_EXEC_RECV;
// }
// for stream interval
if (pBlock->info.type == STREAM_RETRIEVE || pBlock->info.type == STREAM_DELETE_RESULT ||
pBlock->info.type == STREAM_DELETE_DATA || pBlock->info.type == STREAM_CREATE_CHILD_TABLE ||
pBlock->info.type == STREAM_CHECKPOINT) {
*pResBlock = pBlock;
return code;
}
if (pProjectInfo->inputIgnoreGroup) {
pBlock->info.id.groupId = 0;
}
int32_t status = discardGroupDataBlock(pBlock, pLimitInfo);
if (status == PROJECT_RETRIEVE_CONTINUE) {
continue;
}
(void) setInfoForNewGroup(pBlock, pLimitInfo, pOperator);
if (pOperator->status == OP_EXEC_DONE) {
break;
}
if (pProjectInfo->mergeDataBlocks) {
pFinalRes->info.scanFlag = scanFlag = pBlock->info.scanFlag;
} else {
pRes->info.scanFlag = scanFlag = pBlock->info.scanFlag;
}
code = setInputDataBlock(pSup, pBlock, order, scanFlag, false);
QUERY_CHECK_CODE(code, lino, _end);
code = blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
QUERY_CHECK_CODE(code, lino, _end);
code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
pProjectInfo->pPseudoColInfo);
QUERY_CHECK_CODE(code, lino, _end);
status = doIngroupLimitOffset(pLimitInfo, pBlock->info.id.groupId, pInfo->pRes, pOperator);
if (status == PROJECT_RETRIEVE_CONTINUE) {
continue;
}
break;
}
if (pProjectInfo->mergeDataBlocks) {
if (pRes->info.rows > 0) {
pFinalRes->info.id.groupId = 0; // clear groupId
pFinalRes->info.version = pRes->info.version;
// continue merge data, ignore the group id
code = blockDataMerge(pFinalRes, pRes);
QUERY_CHECK_CODE(code, lino, _end);
if (pFinalRes->info.rows + pRes->info.rows <= pOperator->resultInfo.threshold && (pOperator->status != OP_EXEC_DONE)) {
continue;
}
}
// do apply filter
code = doFilter(pFinalRes, pOperator->exprSupp.pFilterInfo, NULL);
QUERY_CHECK_CODE(code, lino, _end);
// when apply the limit/offset for each group, pRes->info.rows may be 0, due to limit constraint.
if (pFinalRes->info.rows > 0 || (pOperator->status == OP_EXEC_DONE)) {
qDebug("project return %" PRId64 " rows, status %d", pFinalRes->info.rows, pOperator->status);
break;
}
} else {
// do apply filter
if (pRes->info.rows > 0) {
code = doFilter(pRes, pOperator->exprSupp.pFilterInfo, NULL);
QUERY_CHECK_CODE(code, lino, _end);
if (pRes->info.rows == 0) {
continue;
}
}
// no results generated
break;
}
}
SSDataBlock* p = pProjectInfo->mergeDataBlocks ? pFinalRes : pRes;
pOperator->resultInfo.totalRows += p->info.rows;
p->info.dataLoad = 1;
if (pOperator->cost.openCost == 0) {
pOperator->cost.openCost = (taosGetTimestampUs() - st) / 1000.0;
}
if (pProjectInfo->outputIgnoreGroup) {
p->info.id.groupId = 0;
}
if (pTaskInfo->execModel == OPTR_EXEC_MODEL_STREAM) {
printDataBlock(p, getStreamOpName(pOperator->operatorType), GET_TASKID(pTaskInfo));
}
*pResBlock = (p->info.rows > 0)? p:NULL;
_end:
if (code != TSDB_CODE_SUCCESS) {
qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
pTaskInfo->code = code;
T_LONG_JMP(pTaskInfo->env, code);
}
return code;
}
int32_t createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode,
SExecTaskInfo* pTaskInfo, SOperatorInfo** pOptrInfo) {
QRY_PARAM_CHECK(pOptrInfo);
int32_t code = 0;
int32_t lino = 0;
int32_t numOfRows = 4096;
size_t keyBufSize = sizeof(int64_t) + sizeof(int64_t) + POINTER_BYTES;
SIndefOperatorInfo* pInfo = taosMemoryCalloc(1, sizeof(SIndefOperatorInfo));
SOperatorInfo* pOperator = taosMemoryCalloc(1, sizeof(SOperatorInfo));
if (pInfo == NULL || pOperator == NULL) {
code = terrno;
goto _error;
}
pOperator->pTaskInfo = pTaskInfo;
SExprSupp* pSup = &pOperator->exprSupp;
pSup->hasWindowOrGroup = false;
SIndefRowsFuncPhysiNode* pPhyNode = (SIndefRowsFuncPhysiNode*)pNode;
if (pPhyNode->pExprs != NULL) {
int32_t num = 0;
SExprInfo* pSExpr = NULL;
code = createExprInfo(pPhyNode->pExprs, NULL, &pSExpr, &num);
QUERY_CHECK_CODE(code, lino, _error);
code = initExprSupp(&pInfo->scalarSup, pSExpr, num, &pTaskInfo->storageAPI.functionStore);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
}
SSDataBlock* pResBlock = createDataBlockFromDescNode(pPhyNode->node.pOutputDataBlockDesc);
TSDB_CHECK_NULL(pResBlock, code, lino, _error, terrno);
// 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;
}
initBasicInfo(&pInfo->binfo, pResBlock);
initResultSizeInfo(&pOperator->resultInfo, numOfRows);
code = blockDataEnsureCapacity(pResBlock, numOfRows);
TSDB_CHECK_CODE(code, lino, _error);
int32_t numOfExpr = 0;
SExprInfo* pExprInfo = NULL;
code = createExprInfo(pPhyNode->pFuncs, NULL, &pExprInfo, &numOfExpr);
TSDB_CHECK_CODE(code, lino, _error);
code = initAggSup(pSup, &pInfo->aggSup, pExprInfo, numOfExpr, keyBufSize, pTaskInfo->id.str,
pTaskInfo->streamInfo.pState, &pTaskInfo->storageAPI.functionStore);
TSDB_CHECK_CODE(code, lino, _error);
code = setFunctionResultOutput(pOperator, &pInfo->binfo, &pInfo->aggSup, MAIN_SCAN, numOfExpr);
TSDB_CHECK_CODE(code, lino, _error);
code = filterInitFromNode((SNode*)pPhyNode->node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
TSDB_CHECK_CODE(code, lino, _error);
pInfo->binfo.pRes = pResBlock;
pInfo->binfo.inputTsOrder = pNode->inputTsOrder;
pInfo->binfo.outputTsOrder = pNode->outputTsOrder;
code = setRowTsColumnOutputInfo(pSup->pCtx, numOfExpr, &pInfo->pPseudoColInfo);
TSDB_CHECK_CODE(code, lino, _error);
setOperatorInfo(pOperator, "IndefinitOperator", QUERY_NODE_PHYSICAL_PLAN_INDEF_ROWS_FUNC, false, OP_NOT_OPENED, pInfo,
pTaskInfo);
pOperator->fpSet = createOperatorFpSet(optrDummyOpenFn, doApplyIndefinitFunction, NULL, destroyIndefinitOperatorInfo,
optrDefaultBufFn, NULL, optrDefaultGetNextExtFn, NULL);
code = appendDownstream(pOperator, &downstream, 1);
if (code != TSDB_CODE_SUCCESS) {
goto _error;
}
*pOptrInfo = pOperator;
return TSDB_CODE_SUCCESS;
_error:
if (pInfo != NULL) destroyIndefinitOperatorInfo(pInfo);
destroyOperatorAndDownstreams(pOperator, &downstream, 1);
pTaskInfo->code = code;
return code;
}
static void doHandleDataBlock(SOperatorInfo* pOperator, SSDataBlock* pBlock, SOperatorInfo* downstream,
SExecTaskInfo* pTaskInfo) {
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
int32_t order = pInfo->inputTsOrder;
int32_t scanFlag = pBlock->info.scanFlag;
int32_t code = TSDB_CODE_SUCCESS;
// 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) {
T_LONG_JMP(pTaskInfo->env, code);
}
}
code = setInputDataBlock(pSup, pBlock, order, scanFlag, false);
if (code) {
T_LONG_JMP(pTaskInfo->env, code);
}
code = blockDataEnsureCapacity(pInfo->pRes, pInfo->pRes->info.rows + pBlock->info.rows);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(pTaskInfo->env, code);
}
code = projectApplyFunctions(pSup->pExprInfo, pInfo->pRes, pBlock, pSup->pCtx, pSup->numOfExprs,
pIndefInfo->pPseudoColInfo);
if (code != TSDB_CODE_SUCCESS) {
T_LONG_JMP(pTaskInfo->env, code);
}
}
SSDataBlock* doApplyIndefinitFunction1(SOperatorInfo* pOperator) {
SSDataBlock* pResBlock = NULL;
pOperator->pTaskInfo->code = doApplyIndefinitFunction(pOperator, &pResBlock);
return pResBlock;
}
int32_t doApplyIndefinitFunction(SOperatorInfo* pOperator, SSDataBlock** pResBlock) {
QRY_PARAM_CHECK(pResBlock);
SIndefOperatorInfo* pIndefInfo = pOperator->info;
SOptrBasicInfo* pInfo = &pIndefInfo->binfo;
SExprSupp* pSup = &pOperator->exprSupp;
int64_t st = 0;
int32_t code = TSDB_CODE_SUCCESS;
int32_t lino = 0;
SSDataBlock* pRes = pInfo->pRes;
blockDataCleanup(pRes);
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
if (pOperator->status == OP_EXEC_DONE) {
return code;
}
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 = getNextBlockFromDownstream(pOperator, 0);
if (pBlock == NULL) {
setOperatorCompleted(pOperator);
break;
}
pInfo->pRes->info.scanFlag = pBlock->info.scanFlag;
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;
}
}
}
code = doFilter(pInfo->pRes, pOperator->exprSupp.pFilterInfo, NULL);
QUERY_CHECK_CODE(code, lino, _end);
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;
}
*pResBlock = (rows > 0) ? pInfo->pRes : NULL;
_end:
if (code != TSDB_CODE_SUCCESS) {
qError("%s failed at line %d since %s", __func__, lino, tstrerror(code));
pTaskInfo->code = code;
T_LONG_JMP(pTaskInfo->env, code);
}
return code;
}
int32_t initCtxOutputBuffer(SqlFunctionCtx* pCtx, int32_t size) {
int32_t code = TSDB_CODE_SUCCESS;
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;
}
code = pCtx[j].fpSet.init(&pCtx[j], pCtx[j].resultInfo);
if (code) {
return code;
}
}
return 0;
}
/*
* 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
int32_t 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);
if (pRow == NULL || pTaskInfo->code != 0) {
return pTaskInfo->code;
}
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;
}
return initCtxOutputBuffer(pCtx, numOfExprs);
}
int32_t setRowTsColumnOutputInfo(SqlFunctionCtx* pCtx, int32_t numOfCols, SArray** pResList) {
QRY_PARAM_CHECK(pResList);
SArray* pList = taosArrayInit(4, sizeof(int32_t));
if (pList == NULL) {
return terrno;
}
for (int32_t i = 0; i < numOfCols; ++i) {
if (fmIsPseudoColumnFunc(pCtx[i].functionId)) {
void* px = taosArrayPush(pList, &i);
if (px == NULL) {
return terrno;
}
}
}
*pResList = pList;
return 0;
}
int32_t doGenerateSourceData(SOperatorInfo* pOperator) {
SProjectOperatorInfo* pProjectInfo = pOperator->info;
SExprSupp* pSup = &pOperator->exprSupp;
SSDataBlock* pRes = pProjectInfo->binfo.pRes;
SExprInfo* pExpr = pSup->pExprInfo;
int64_t st = taosGetTimestampUs();
SExecTaskInfo* pTaskInfo = pOperator->pTaskInfo;
int32_t code = blockDataEnsureCapacity(pRes, pOperator->resultInfo.capacity);
if (code) {
return code;
}
for (int32_t k = 0; k < pSup->numOfExprs; ++k) {
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
SColumnInfoData* pColInfoData = taosArrayGet(pRes->pDataBlock, outputSlotId);
if (pColInfoData == NULL) {
return terrno;
}
int32_t type = pExpr[k].base.pParam[0].param.nType;
if (TSDB_DATA_TYPE_NULL == type) {
colDataSetNNULL(pColInfoData, 0, 1);
} else {
code = colDataSetVal(pColInfoData, 0, taosVariantGet(&pExpr[k].base.pParam[0].param, type), false);
if (code) {
return code;
}
}
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_FUNCTION) {
SqlFunctionCtx* pfCtx = &pSup->pCtx[k];
// UDF scalar functions will be calculated here, for example, select foo(n) from (select 1 n).
// UDF aggregate functions will be handled in agg operator.
if (fmIsScalarFunc(pfCtx->functionId)) {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
if (pBlockList == NULL) {
return terrno;
}
void* px = taosArrayPush(pBlockList, &pRes);
if (px == NULL) {
return terrno;
}
SColumnInfoData* pResColData = taosArrayGet(pRes->pDataBlock, outputSlotId);
if (pResColData == NULL) {
return terrno;
}
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
SScalarParam dest = {.columnData = &idata};
code = scalarCalculate((SNode*)pExpr[k].pExpr->_function.pFunctNode, pBlockList, &dest);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(pBlockList);
return code;
}
int32_t startOffset = pRes->info.rows;
if (pRes->info.capacity <= 0) {
qError("project failed at: %s:%d", __func__, __LINE__);
return TSDB_CODE_QRY_EXECUTOR_INTERNAL_ERROR;
}
code = colDataAssign(pResColData, &idata, dest.numOfRows, &pRes->info);
if (code) {
return code;
}
colDataDestroy(&idata);
taosArrayDestroy(pBlockList);
} else {
return TSDB_CODE_OPS_NOT_SUPPORT;
}
} else {
return TSDB_CODE_OPS_NOT_SUPPORT;
}
}
pRes->info.rows = 1;
code = doFilter(pRes, pOperator->exprSupp.pFilterInfo, NULL);
if (code) {
pTaskInfo->code = code;
return code;
}
(void) 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 code;
}
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);
if (pCtx[i].pOutput == NULL) {
qError("failed to get the output buf, ptr is null");
}
}
}
int32_t projectApplyFunctions(SExprInfo* pExpr, SSDataBlock* pResult, SSDataBlock* pSrcBlock, SqlFunctionCtx* pCtx,
int32_t numOfOutput, SArray* pPseudoList) {
int32_t lino = 0;
int32_t code = TSDB_CODE_SUCCESS;
setPseudoOutputColInfo(pResult, pCtx, pPseudoList);
pResult->info.dataLoad = 1;
SArray* processByRowFunctionCtx = NULL;
if (pSrcBlock == NULL) {
for (int32_t k = 0; k < numOfOutput; ++k) {
int32_t outputSlotId = pExpr[k].base.resSchema.slotId;
if (pExpr[k].pExpr->nodeType != QUERY_NODE_VALUE) {
qError("project failed at: %s:%d", __func__, __LINE__);
code = TSDB_CODE_INVALID_PARA;
TSDB_CHECK_CODE(code, lino, _exit);
}
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
if (pColInfoData == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
int32_t type = pExpr[k].base.pParam[0].param.nType;
if (TSDB_DATA_TYPE_NULL == type) {
colDataSetNNULL(pColInfoData, 0, 1);
} else {
code = colDataSetVal(pColInfoData, 0, taosVariantGet(&pExpr[k].base.pParam[0].param, type), false);
TSDB_CHECK_CODE(code, lino, _exit);
}
}
pResult->info.rows = 1;
goto _exit;
}
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) {
code = blockDataEnsureCapacity(pResult, pResult->info.rows);
if (code) {
goto _exit;
}
}
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 (pColInfoData == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
if (pResult->info.rows > 0 && !createNewColModel) {
int32_t ret = 0;
if (pInputData->pData[0] == NULL) {
int32_t slotId = pfCtx->param[0].pCol->slotId;
SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
if (pInput == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
ret = colDataMergeCol(pColInfoData, pResult->info.rows, (int32_t*)&pResult->info.capacity, pInput,
pSrcBlock->info.rows);
} else {
ret = colDataMergeCol(pColInfoData, pResult->info.rows, (int32_t*)&pResult->info.capacity,
pInputData->pData[0], pInputData->numOfRows);
}
if (ret < 0) {
code = ret;
}
TSDB_CHECK_CODE(code, lino, _exit);
} else {
if (pInputData->pData[0] == NULL) {
int32_t slotId = pfCtx->param[0].pCol->slotId;
SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
if (pInput == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
code = colDataAssign(pColInfoData, pInput, pSrcBlock->info.rows, &pResult->info);
numOfRows = pSrcBlock->info.rows;
} else {
code = colDataAssign(pColInfoData, pInputData->pData[0], pInputData->numOfRows, &pResult->info);
numOfRows = pInputData->numOfRows;
}
TSDB_CHECK_CODE(code, lino, _exit);
}
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_VALUE) {
SColumnInfoData* pColInfoData = taosArrayGet(pResult->pDataBlock, outputSlotId);
if (pColInfoData == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
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) {
code = colDataSetVal(pColInfoData, i + offset, p, false);
TSDB_CHECK_CODE(code, lino, _exit);
}
}
numOfRows = pSrcBlock->info.rows;
} else if (pExpr[k].pExpr->nodeType == QUERY_NODE_OPERATOR) {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
if (pBlockList == NULL) {
code = terrno;
goto _exit;
}
void* px = taosArrayPush(pBlockList, &pSrcBlock);
if (px == NULL) {
code = terrno;
taosArrayDestroy(pBlockList);
goto _exit;
}
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
if (pResColData == NULL) {
code = terrno;
taosArrayDestroy(pBlockList);
goto _exit;
}
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
SScalarParam dest = {.columnData = &idata};
code = scalarCalculate(pExpr[k].pExpr->_optrRoot.pRootNode, pBlockList, &dest);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(pBlockList);
goto _exit;
}
int32_t startOffset = createNewColModel ? 0 : pResult->info.rows;
if (pResult->info.capacity <= 0) {
qError("project failed at: %s:%d", __func__, __LINE__);
code = TSDB_CODE_INVALID_PARA;
TSDB_CHECK_CODE(code, lino, _exit);
}
int32_t ret = colDataMergeCol(pResColData, startOffset, (int32_t*)&pResult->info.capacity, &idata, dest.numOfRows);
if (ret < 0) {
code = ret;
}
colDataDestroy(&idata);
TSDB_CHECK_CODE(code, lino, _exit);
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);
code = pfCtx->fpSet.init(pfCtx, pResInfo);
TSDB_CHECK_CODE(code, lino, _exit);
pfCtx->pOutput = taosArrayGet(pResult->pDataBlock, outputSlotId);
if (pfCtx->pOutput == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
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);
if (outputColIndex == NULL) {
code = terrno;
goto _exit;
}
pfCtx->pTsOutput = (SColumnInfoData*)pCtx[*outputColIndex].pOutput;
}
// link pDstBlock to set selectivity value
if (pfCtx->subsidiaries.num > 0) {
pfCtx->pDstBlock = pResult;
}
code = pfCtx->fpSet.process(pfCtx);
if (code != TSDB_CODE_SUCCESS) {
if (pCtx[k].fpSet.cleanup != NULL) {
pCtx[k].fpSet.cleanup(&pCtx[k]);
}
goto _exit;
}
numOfRows = pResInfo->numOfRes;
if (fmIsProcessByRowFunc(pfCtx->functionId)) {
if (NULL == processByRowFunctionCtx) {
processByRowFunctionCtx = taosArrayInit(1, sizeof(SqlFunctionCtx*));
if (!processByRowFunctionCtx) {
code = terrno;
goto _exit;
}
}
void* px = taosArrayPush(processByRowFunctionCtx, &pfCtx);
if (px == NULL) {
code = terrno;
goto _exit;
}
}
} 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);
if (pOutput == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
int32_t slotId = pfCtx->param[0].pCol->slotId;
// todo handle the json tag
SColumnInfoData* pInput = taosArrayGet(pSrcBlock->pDataBlock, slotId);
if (pInput == NULL) {
code = terrno;
TSDB_CHECK_CODE(code, lino, _exit);
}
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);
code = colDataSetVal(pOutput, pResult->info.rows + f, data, isNull);
TSDB_CHECK_CODE(code, lino, _exit);
}
}
} else {
SArray* pBlockList = taosArrayInit(4, POINTER_BYTES);
if (pBlockList == NULL) {
code = terrno;
goto _exit;
}
void* px = taosArrayPush(pBlockList, &pSrcBlock);
if (px == NULL) {
code = terrno;
goto _exit;
}
SColumnInfoData* pResColData = taosArrayGet(pResult->pDataBlock, outputSlotId);
if (pResColData == NULL) {
taosArrayDestroy(pBlockList);
code = terrno;
goto _exit;
}
SColumnInfoData idata = {.info = pResColData->info, .hasNull = true};
SScalarParam dest = {.columnData = &idata};
code = scalarCalculate((SNode*)pExpr[k].pExpr->_function.pFunctNode, pBlockList, &dest);
if (code != TSDB_CODE_SUCCESS) {
taosArrayDestroy(pBlockList);
goto _exit;
}
int32_t startOffset = createNewColModel ? 0 : pResult->info.rows;
if (pResult->info.capacity <= 0) {
qError("project failed at: %s:%d", __func__, __LINE__);
code = TSDB_CODE_INVALID_PARA;
TSDB_CHECK_CODE(code, lino, _exit);
}
int32_t ret = colDataMergeCol(pResColData, startOffset, (int32_t*)&pResult->info.capacity, &idata, dest.numOfRows);
if (ret < 0) {
code = ret;
}
colDataDestroy(&idata);
numOfRows = dest.numOfRows;
taosArrayDestroy(pBlockList);
TSDB_CHECK_CODE(code, lino, _exit);
}
} else {
return TSDB_CODE_OPS_NOT_SUPPORT;
}
}
if (processByRowFunctionCtx && taosArrayGetSize(processByRowFunctionCtx) > 0){
SqlFunctionCtx** pfCtx = taosArrayGet(processByRowFunctionCtx, 0);
if (pfCtx == NULL) {
code = terrno;
goto _exit;
}
code = (*pfCtx)->fpSet.processFuncByRow(processByRowFunctionCtx);
TSDB_CHECK_CODE(code, lino, _exit);
numOfRows = (*pfCtx)->resultInfo->numOfRes;
}
if (!createNewColModel) {
pResult->info.rows += numOfRows;
}
_exit:
if(processByRowFunctionCtx) {
taosArrayDestroy(processByRowFunctionCtx);
}
return code;
}