homework-jianmu/source/libs/function/inc/builtins.h

63 lines
2.1 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/>.
*/
#ifndef _TD_BUILDINS_H_
#define _TD_BUILDINS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "functionMgt.h"
#define FUNCTION_NAME_MAX_LENGTH 16
#define FUNC_MGT_FUNC_CLASSIFICATION_MASK(n) (1 << n)
#define FUNC_MGT_AGG_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(0)
#define FUNC_MGT_SCALAR_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(1)
#define FUNC_MGT_NONSTANDARD_SQL_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(2)
#define FUNC_MGT_STRING_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(3)
#define FUNC_MGT_DATETIME_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(4)
#define FUNC_MGT_TIMELINE_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(5)
#define FUNC_MGT_TIMEORDER_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(6)
#define FUNC_MGT_PSEUDO_COLUMN_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(7)
#define FUNC_MGT_WINDOW_PC_FUNC FUNC_MGT_FUNC_CLASSIFICATION_MASK(8)
#define FUNC_MGT_TEST_MASK(val, mask) (((val) & (mask)) != 0)
typedef int32_t (*FCheckAndGetResultType)(SFunctionNode* pFunc);
typedef struct SBuiltinFuncDefinition {
char name[FUNCTION_NAME_MAX_LENGTH];
EFunctionType type;
uint64_t classification;
FCheckAndGetResultType checkFunc;
FExecGetEnv getEnvFunc;
FExecInit initFunc;
FExecProcess processFunc;
FScalarExecProcess sprocessFunc;
FExecFinalize finalizeFunc;
} SBuiltinFuncDefinition;
extern const SBuiltinFuncDefinition funcMgtBuiltins[];
extern const int funcMgtBuiltinsNum;
#ifdef __cplusplus
}
#endif
#endif /*_TD_BUILDINS_H_*/