planner.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);
}