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

56 lines
1.6 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 "parser.h"
#include "plannerInt.h"
void qDestroySubplan(SSubplan* pSubplan) {
// todo
}
void qDestroyQueryDag(struct SQueryDag* pDag) {
// todo
}
int32_t qCreateQueryDag(const struct SQueryStmtInfo* pQueryInfo, struct SEpSet* pQnode, struct SQueryDag** pDag) {
SQueryPlanNode* logicPlan;
int32_t code = createQueryPlan(pQueryInfo, &logicPlan);
if (TSDB_CODE_SUCCESS != code) {
destroyQueryPlan(logicPlan);
return code;
}
code = optimizeQueryPlan(logicPlan);
if (TSDB_CODE_SUCCESS != code) {
destroyQueryPlan(logicPlan);
return code;
}
code = createDag(logicPlan, NULL, pDag);
if (TSDB_CODE_SUCCESS != code) {
destroyQueryPlan(logicPlan);
qDestroyQueryDag(*pDag);
return code;
}
destroyQueryPlan(logicPlan);
return TSDB_CODE_SUCCESS;
}
int32_t qSubPlanToString(const SSubplan *subplan, char** str) {
return subPlanToString(subplan, str);
}
int32_t qStringToSubplan(const char* str, SSubplan** subplan) {
return stringToSubplan(str, subplan);
}