67 lines
1.9 KiB
C
67 lines
1.9 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_FUNCTION_MGT_H_
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#define _TD_FUNCTION_MGT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "nodes.h"
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struct SqlFunctionCtx;
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struct SResultRowEntryInfo;
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struct STimeWindow;
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typedef struct SFuncExecEnv {
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int32_t calcMemSize;
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} SFuncExecEnv;
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typedef void* FuncMgtHandle;
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typedef bool (*FExecGetEnv)(SFunctionNode* pFunc, SFuncExecEnv* pEnv);
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typedef bool (*FExecInit)(struct SqlFunctionCtx *pCtx, struct SResultRowEntryInfo* pResultCellInfo);
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typedef void (*FExecProcess)(struct SqlFunctionCtx *pCtx);
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typedef void (*FExecFinalize)(struct SqlFunctionCtx *pCtx);
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typedef struct SFuncExecFuncs {
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FExecGetEnv getEnv;
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FExecInit init;
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FExecProcess process;
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FExecFinalize finalize;
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} SFuncExecFuncs;
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int32_t fmFuncMgtInit();
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int32_t fmGetHandle(FuncMgtHandle* pHandle);
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int32_t fmGetFuncId(FuncMgtHandle handle, const char* name);
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int32_t fmGetFuncResultType(FuncMgtHandle handle, SFunctionNode* pFunc);
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bool fmIsAggFunc(int32_t funcId);
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bool fmIsStringFunc(int32_t funcId);
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bool fmIsTimestampFunc(int32_t funcId);
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bool fmIsTimelineFunc(int32_t funcId);
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bool fmIsTimeorderFunc(int32_t funcId);
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bool fmIsNonstandardSQLFunc(int32_t funcId);
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int32_t fmFuncScanType(int32_t funcId);
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int32_t fmGetFuncExecFuncs(FuncMgtHandle handle, int32_t funcId, SFuncExecFuncs* pFpSet);
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#ifdef __cplusplus
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}
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#endif
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#endif // _TD_FUNCTION_MGT_H_
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