52 lines
1.9 KiB
C
52 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 TDENGINE_QUERYINFOUTIL_H
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#define TDENGINE_QUERYINFOUTIL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "parserInt.h"
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SSchema* getTbnameColumnSchema();
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int32_t getNumOfColumns(const STableMeta* pTableMeta);
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int32_t getNumOfTags(const STableMeta* pTableMeta);
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SSchema *getTableColumnSchema(const STableMeta *pTableMeta);
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SSchema *getTableTagSchema(const STableMeta* pTableMeta);
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SSchema *getOneColumnSchema(const STableMeta* pTableMeta, int32_t colIndex);
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size_t getNumOfExprs(SQueryStmtInfo* pQueryInfo);
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SExprInfo* createExprInfo(STableMetaInfo* pTableMetaInfo, int16_t functionId, SColumnIndex* pColIndex, int16_t type,
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int16_t size, int16_t resColId, int16_t interSize, int32_t colType);
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void addExprInfo(SQueryStmtInfo* pQueryInfo, int32_t index, SExprInfo* pExprInfo);
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void updateExprInfo(SExprInfo* pExprInfo, int16_t functionId, int32_t colId, int16_t srcColumnIndex, int16_t resType, int16_t resSize);
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void assignExprInfo(SExprInfo* dst, const SExprInfo* src);
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SExprInfo* getExprInfo(SQueryStmtInfo* pQueryInfo, int32_t index);
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int32_t copyAllExprInfo(SArray* dst, const SArray* src, bool deepcopy);
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void cleanupFieldInfo(SFieldInfo* pFieldInfo);
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STableComInfo getTableInfo(const STableMeta* pTableMeta);
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_QUERYINFOUTIL_H
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