| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * License); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| // |
| //#ifndef CWRAPPER_TSFILE_CWRAPPER_H |
| //#define CWRAPPER_TSFILE_CWRAPPER_H |
| // |
| //#include <fcntl.h> |
| //#include <stdbool.h> |
| //#include <stddef.h> |
| //#include <stdint.h> |
| //#ifdef _WIN32 |
| //#include <sys/stat.h> |
| //#endif |
| // |
| //#include "tsfile_cwrapper.h" |
| // |
| //typedef void* TimeFilterExpression; |
| // |
| //#define MAX_COLUMN_FILTER_NUM 10 |
| //typedef enum operator_type { |
| // LT, |
| // LE, |
| // EQ, |
| // GT, |
| // GE, |
| // NOTEQ, |
| //} OperatorType; |
| // |
| //typedef enum expression_type { |
| // OR, |
| // AND, |
| // GLOBALTIME, |
| //} ExpressionType; |
| // |
| //typedef struct constant { |
| // int64_t value_condition; |
| // int type; |
| //} Constant; |
| // |
| //typedef struct expression { |
| // const char* column_name; |
| // Constant const_condition; |
| // ExpressionType expression_type; |
| // OperatorType operate_type; |
| // struct expression* children[MAX_COLUMN_FILTER_NUM]; |
| // int children_length; |
| //} Expression; |
| // |
| //typedef void* QueryDataRetINTERNAL; |
| //typedef struct query_data_ret { |
| // char** column_names; |
| // int column_num; |
| // QueryDataRetINTERNAL data; |
| //}* QueryDataRet; |
| // |
| //#ifdef __cplusplus |
| //extern "C" { |
| //#endif |
| // |
| //TimeFilterExpression* create_query_and_time_filter(); |
| // |
| //TimeFilterExpression* create_time_filter(const char* table_name, |
| // const char* column_name, |
| // OperatorType oper, |
| // timestamp timestamp); |
| // |
| //TimeFilterExpression* add_time_filter_to_and_query( |
| // TimeFilterExpression* exp_and, TimeFilterExpression* exp); |
| // |
| //void destroy_time_filter_query(TimeFilterExpression* expression); |
| // |
| //Expression* create_time_expression(const char* column_name, OperatorType oper, |
| // timestamp timestamp); |
| // |
| //Expression* add_and_filter_to_and_query(Expression* exp_and, Expression* exp); |
| // |
| //QueryDataRet ts_reader_query(TsFileReader reader, const char* table_name, |
| // const char** columns, int colum_num, |
| // TimeFilterExpression* expression); |
| // |
| // |
| //#ifdef __cplusplus |
| //} |
| //#endif |
| //#endif // CWRAPPER_TSFILE_CWRAPPER_H |
