112 lines
3.8 KiB
C++
112 lines
3.8 KiB
C++
/*
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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) 2018-2021, 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_postgresqlconnector
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#define headerfile_morm_postgresqlconnector
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#include <libpq-fe.h>
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#include <string>
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#include "dbconnector.h"
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#include "postgresqlqueryresult.h"
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namespace morm
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{
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class PostgreSQLConnector : public DbConnector
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{
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public:
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PostgreSQLConnector();
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PostgreSQLConnector(const PostgreSQLConnector &) = delete;
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virtual ~PostgreSQLConnector();
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bool query(const pt::TextStream & stream, QueryResult & query_result);
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bool query(const char * query_str, QueryResult & query_result);
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bool query(const std::string & query_str, QueryResult & query_result);
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bool query_select(const char * query_str, QueryResult & query_result);
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bool query_update(const char * query_str, QueryResult & query_result);
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bool query_insert(const char * query_str, QueryResult & query_result);
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bool query_remove(const char * query_str, QueryResult & query_result);
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bool query_select(const pt::TextStream & stream, QueryResult & query_result);
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bool query_update(const pt::TextStream & stream, QueryResult & query_result);
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bool query_insert(const pt::TextStream & stream, QueryResult & query_result);
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bool query_remove(const pt::TextStream & stream, QueryResult & query_result);
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virtual void set_conn_param(const std::wstring & database, const std::wstring & user, const std::wstring & pass);
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virtual void connect();
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virtual void wait_for_connection();
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virtual void close();
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//virtual bool assert_connection(bool put_log = true, bool throw_if_no_connection = true);
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virtual bool assert_connection(bool put_log = true);
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virtual void set_db_parameters();
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virtual void log_connection_socket();
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protected:
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PGconn * pg_conn;
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pt::TextStream stream;
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std::string query_str;
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std::wstring db_database;
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std::wstring db_user;
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std::wstring db_pass;
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virtual bool do_query(const char * query_str, PostgreSQLQueryResult * psql_result);
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virtual void allocate_default_expression();
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virtual void overwrite(pt::TextStream & stream);
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virtual const char * query_last_sequence(const wchar_t * sequence_table_name);
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virtual QueryResult * create_query_result();
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void log_unsupported_bin_format();
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size_t unescape_bin_char(const char * str, wchar_t & field_value, const FT & field_type);
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void unescape_bin_string(const char * str, std::string & out);
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void unescape_bin_string(const char * str, std::wstring & out, const FT & field_type);
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};
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}
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#endif
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