00001 // database insert query class -*- C++ -*- 00002 // $Id: query.h,v 1.4 2004/03/11 10:05:18 roger Exp $ 00003 // 00004 // Copyright (C) 2003 Roger Leigh <rleigh@debian.org> 00005 // 00006 // 00007 // All rights reserved. 00008 // 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions 00011 // are met: 00012 // 00013 // * Redistributions of source code must retain the above copyright 00014 // notice, this list of conditions and the following disclaimer. 00015 // * Redistributions in binary form must reproduce the above 00016 // copyright notice, this list of conditions and the following 00017 // disclaimer in the documentation and/or other materials provided 00018 // with the distribution. 00019 // * Neither the name of the author, nor the names of other 00020 // contributors may be used to endorse or promote products derived 00021 // from this software without specific prior written permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 00024 // CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 00025 // INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00026 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00027 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 00028 // BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00029 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00030 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00031 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 00032 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 00033 // TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00034 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00035 // SUCH DAMAGE. 00036 // 00038 00039 #ifndef PQXX_OBJECT_INSERT_QUERY_H 00040 #define PQXX_OBJECT_INSERT_QUERY_H 00041 00042 #include <list> 00043 #include <string> 00044 #include <sstream> 00045 #include <utility> 00046 00047 #include <pqxx/util> 00048 00049 #include <pqxx-object/field_base.h> 00050 #include <pqxx-object/query.h> 00051 #include <pqxx-object/query_helpers.h> 00052 00053 namespace pqxxobject 00054 { 00059 class insert_query : public query 00060 { 00061 public: 00063 insert_query(); 00064 00069 explicit insert_query(const std::string& table); 00070 00072 insert_query(const insert_query& rhs); 00073 00075 virtual ~insert_query(); 00076 00077 typedef std::pair<std::string, std::string> field_value; 00078 00083 template< typename T, template <typename> class F > 00084 void add(F<T>& field) 00085 { 00086 remove(field); 00087 query_helper<T, F> helper; 00088 field_list.push_back(helper.apply(field)); 00089 } 00090 00095 void remove(const field_base& field); 00096 00101 std::string str(); 00102 00103 private: 00104 std::string table_name; 00105 std::list<field_value> field_list; 00106 00107 }; // class insert_query 00108 00109 template<typename T> 00110 std::ostream& operator << (std::ostream& os, const insert_query& rhs) 00111 { 00112 os << rhs.str(); 00113 } 00114 00115 }; // namespace pqxxobject 00116 00117 #endif // PQXX_OBJECT_INSERT_QUERY_H