cppdb/errors.h

//                                                                             
//  Copyright (C) 2010-2011  Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>     
//                                                                             
//  Distributed under:
//
//                   the Boost Software License, Version 1.0.
//              (See accompanying file LICENSE_1_0.txt or copy at 
//                     http://www.boost.org/LICENSE_1_0.txt)
//
//  or (at your opinion) under:
//
//                               The MIT License
//                 (See accompanying file MIT.txt or a copy at
//              http://www.opensource.org/licenses/mit-license.php)
//
#ifndef CPPDB_ERRORS_H
#define CPPDB_ERRORS_H
#include <stdexcept>
#include <string>

namespace cppdb {
        class cppdb_error : public std::runtime_error {
        public:
                cppdb_error(std::string const &v) : std::runtime_error(v) {}
        };

        class bad_value_cast : public cppdb_error {
        public:
                bad_value_cast() : cppdb_error("cppdb::bad_value_cast can't convert data")
                {
                }
        };

        class null_value_fetch : public cppdb_error {
        public:
                null_value_fetch() : cppdb_error("cppdb::null_value_fetch attempt fetch null column")
                {
                }
        };
        class empty_row_access : public cppdb_error {
        public:
                empty_row_access() : cppdb_error("cppdb::empty_row_access attempt to fetch from empty column")
                {
                }
        };

        class invalid_column : public cppdb_error {
        public:
                invalid_column() : cppdb_error("cppdb::invalid_column attempt access to invalid column")
                {
                }
        };
        class invalid_placeholder : public cppdb_error {
        public:
                invalid_placeholder() : cppdb_error("cppdb::invalid_placeholder attempt bind to invalid placeholder")
                {
                }
        };
        class multiple_rows_query : public cppdb_error {
        public:
                multiple_rows_query() : cppdb_error(    "cppdb::multiple_rows_query "
                                                        "multiple rows result for a single row request")
                {
                }
        };

        class not_supported_by_backend : public cppdb_error {
        public:
                not_supported_by_backend(std::string const &e) :
                        cppdb_error(e)
                {
                }
        };

}

#endif