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pqxxobject/insert_query.h

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00001 // database insert query class                                   -*- C++ -*-
00002 // $Id: insert_query.h,v 1.3 2004/04/02 22:44:54 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 PQXXOBJECT_INSERT_QUERY_H
00040 #define PQXXOBJECT_INSERT_QUERY_H
00041 
00042 #include <list>
00043 #include <string>
00044 #include <sstream>
00045 #include <utility>
00046 
00047 #include <pqxx/util>
00048 
00049 #include <pqxxobject/field_base.h>
00050 #include <pqxxobject/query.h>
00051 #include <pqxxobject/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       field_list.push_back(query_helper<T, F>::apply(field));
00088     }
00089 
00094     void remove(const field_base& field);
00095 
00100     std::string str() const;
00101 
00102   private:
00103     std::string table_name;
00104     std::list<field_value> field_list;
00105 
00106   }; // class insert_query
00107 
00108   template<typename T>
00109   std::ostream& operator << (std::ostream& os, const insert_query& rhs)
00110   {
00111     os << rhs.str();
00112   }
00113 
00114 }; // namespace pqxxobject
00115 
00116 #endif // PQXXOBJECT_INSERT_QUERY_H

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