65 lines
2.0 KiB
C
65 lines
2.0 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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#ifndef _TD_PLANNER_H_
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#define _TD_PLANNER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "plannodes.h"
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#include "taos.h"
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typedef struct SPlanContext {
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uint64_t queryId;
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int32_t acctId;
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SEpSet mgmtEpSet;
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SNode* pAstRoot;
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bool topicQuery;
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bool streamQuery;
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bool rSmaQuery;
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bool showRewrite;
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int8_t triggerType;
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int64_t watermark;
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char* pMsg;
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int32_t msgLen;
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double filesFactor;
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} SPlanContext;
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// Create the physical plan for the query, according to the AST.
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int32_t qCreateQueryPlan(SPlanContext* pCxt, SQueryPlan** pPlan, SArray* pExecNodeList);
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// Set datasource of this subplan, multiple calls may be made to a subplan.
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// @pSubplan subplan to be schedule
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// @groupId id of a group of datasource subplans of this @pSubplan
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// @pSource one execution location of this group of datasource subplans
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int32_t qSetSubplanExecutionNode(SSubplan* pSubplan, int32_t groupId, SDownstreamSourceNode* pSource);
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// Convert to subplan to string for the scheduler to send to the executor
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int32_t qSubPlanToString(const SSubplan* pSubplan, char** pStr, int32_t* pLen);
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int32_t qStringToSubplan(const char* pStr, SSubplan** pSubplan);
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char* qQueryPlanToString(const SQueryPlan* pPlan);
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SQueryPlan* qStringToQueryPlan(const char* pStr);
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void qDestroyQueryPlan(SQueryPlan* pPlan);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_PLANNER_H_*/
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