59 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			2.1 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_BUILDINS_H_
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#define _TD_BUILDINS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "functionMgtInt.h"
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typedef int32_t (*FTranslateFunc)(SFunctionNode* pFunc, char* pErrBuf, int32_t len);
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typedef EFuncDataRequired (*FFuncDataRequired)(SFunctionNode* pFunc, STimeWindow* pTimeWindow);
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typedef int32_t (*FCreateMergeFuncParameters)(SNodeList* pRawParameters, SNode* pPartialRes, SNodeList** pParameters);
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typedef EFuncDataRequired (*FFuncDynDataRequired)(void* pRes, STimeWindow* pTimeWindow);
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typedef EFuncReturnRows (*FEstimateReturnRows)(SFunctionNode* pFunc);
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typedef struct SBuiltinFuncDefinition {
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  const char*                name;
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  EFunctionType              type;
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  uint64_t                   classification;
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  FTranslateFunc             translateFunc;
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  FFuncDataRequired          dataRequiredFunc;
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  FFuncDynDataRequired       dynDataRequiredFunc;
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  FExecGetEnv                getEnvFunc;
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  FExecInit                  initFunc;
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  FExecProcess               processFunc;
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  FScalarExecProcess         sprocessFunc;
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  FExecFinalize              finalizeFunc;
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  FExecProcess               invertFunc;
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  FExecCombine               combineFunc;
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  const char*                pPartialFunc;
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  const char*                pMergeFunc;
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  FCreateMergeFuncParameters createMergeParaFuc;
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  FEstimateReturnRows        estimateReturnRowsFunc;
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} SBuiltinFuncDefinition;
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extern const SBuiltinFuncDefinition funcMgtBuiltins[];
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extern const int32_t                funcMgtBuiltinsNum;
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_BUILDINS_H_*/
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