82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
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/*
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* This file is a part of morm
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2018, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_morm_queryresult
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#define headerfile_morm_queryresult
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#include <string>
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namespace morm
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{
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struct QueryResult
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{
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size_t result_rows; // how many rows in the result query
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size_t cur_row; // used for reading
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bool was_error;
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std::wstring error_msg;
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std::string temp_column_name;
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size_t references_count;
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QueryResult();
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virtual ~QueryResult();
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virtual void clear();
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virtual bool has_db_result();
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virtual const char * get_field_string_value(const char * column_name);
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virtual const char * get_field_string_value(const wchar_t * field_name);
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/*
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* returns -1 if there is no such a column
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*
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*/
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virtual int get_column_index(const char * column_name);
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virtual int get_column_index(const wchar_t * column_name);
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// may it should be changed to size_t?
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virtual const char * get_value_from_result(int row, int col);
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virtual int get_value_length(int row, int col);
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virtual bool is_null(int row, int col);
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};
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} // namespace
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#endif
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