112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
/*
|
|
* This file is a part of morm
|
|
* and is distributed under the 2-Clause BSD licence.
|
|
* Author: Tomasz Sowa <t.sowa@ttmath.org>
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2018, Tomasz Sowa
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#ifndef headerfile_morm_postgresqlconnector
|
|
#define headerfile_morm_postgresqlconnector
|
|
|
|
#include "dbconnector.h"
|
|
#include <libpq-fe.h>
|
|
#include <string>
|
|
|
|
|
|
|
|
namespace morm
|
|
{
|
|
|
|
class PostgreSQLConnector : public DbConnector
|
|
{
|
|
public:
|
|
PostgreSQLConnector();
|
|
virtual ~PostgreSQLConnector();
|
|
|
|
void set_log_queries(bool log_queries);
|
|
|
|
bool query(const char * query_str);
|
|
bool query_select(const char * query_str);
|
|
bool query_update(const char * query_str);
|
|
bool query_insert(const char * query_str);
|
|
|
|
bool is_last_result(ExecStatusType t);
|
|
|
|
/*
|
|
* get column index from the last query (select)
|
|
* returns -1 if there is no such a column
|
|
*
|
|
*/
|
|
int get_column_index(const char * column_name);
|
|
|
|
bool is_null(int row, int col);
|
|
|
|
/*
|
|
* return an item from the last query
|
|
* can return a null pointer if there is no such an item in the last result
|
|
*
|
|
*/
|
|
const char * get_value(int row, int col);
|
|
|
|
bool get_value(int row, int col, std::string & result, bool clear_string = true);
|
|
bool get_value(int row, int col, std::wstring & result, bool clear_string = true);
|
|
void get_value_bin(int row, int col, std::string & result, bool clear_string = true);
|
|
|
|
void clear_result();
|
|
|
|
//void SetConnParam(const std::wstring & database, const std::wstring & user, const std::wstring & pass);
|
|
//void Connect();
|
|
//void WaitForConnection();
|
|
//void Close();
|
|
//bool AssertConnection(bool put_log = true, bool throw_if_no_connection = true);
|
|
//void SetDbParameters();
|
|
//PGconn * GetPgConn();
|
|
|
|
|
|
protected:
|
|
|
|
PGconn * pg_conn;
|
|
PGresult * last_result; // can be null
|
|
ExecStatusType last_status;
|
|
bool log_queries;
|
|
|
|
std::wstring db_database;
|
|
std::wstring db_user;
|
|
std::wstring db_pass;
|
|
|
|
|
|
void allocate_default_expression();
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|