homework-jianmu/source/libs/planner/src/planner.c

66 lines
1.9 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 "planner.h"
#include "plannerInt.h"
int32_t optimize(SPlanContext* pCxt, SLogicNode* pLogicNode) {
return TSDB_CODE_SUCCESS;
}
int32_t qCreateQueryPlan(SPlanContext* pCxt, SQueryPlan** pPlan, SArray* pExecNodeList) {
SLogicNode* pLogicNode = NULL;
int32_t code = createLogicPlan(pCxt, &pLogicNode);
if (TSDB_CODE_SUCCESS == code) {
code = optimize(pCxt, pLogicNode);
}
if (TSDB_CODE_SUCCESS == code) {
code = createPhysiPlan(pCxt, pLogicNode, pPlan, pExecNodeList);
}
return code;
}
void qSetSubplanExecutionNode(SSubplan* subplan, uint64_t templateId, SDownstreamSource* pSource) {
}
int32_t qSubPlanToString(const SSubplan* subplan, char** str, int32_t* len) {
if (SUBPLAN_TYPE_MODIFY == subplan->subplanType) {
SDataInserterNode* insert = (SDataInserterNode*)subplan->pDataSink;
*len = insert->size;
*str = insert->pData;
insert->pData = NULL;
return TSDB_CODE_SUCCESS;
}
return nodesNodeToString((const SNode*)subplan, false, str, len);
}
int32_t qStringToSubplan(const char* str, SSubplan** subplan) {
return nodesStringToNode(str, (SNode**)subplan);
}
char* qQueryPlanToString(const SQueryPlan* pPlan) {
}
SQueryPlan* qStringToQueryPlan(const char* pStr) {
}
void qDestroyQueryPlan(SQueryPlan* pPlan) {
}