Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes

MySqlPL::SqlRecord Struct Reference

a record to hold return columns for a given statement More...

#include <mysqlpl.h>

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List of all members.

Public Member Functions

 SqlRecord (SqlStatement &stmt)
int get_column_count () const
const ColumnTypeget_column_type (int idx) const
const ColumnTypeget_column_type (const std::string &col_name) const
void print_columns (std::ostream &out)
void print_values (std::ostream &out)

Protected Types

typedef std::map< std::string,
int > 
NameMap

Protected Member Functions

NameMap::const_iterator find_column (const std::string &col_name) const
int get_column_idx (const std::string &col_name) const

Protected Attributes

SqlStatement_stmt
ColumnVector _columns
NameMap _name_map

Detailed Description

a record to hold return columns for a given statement

Definition at line 1047 of file mysqlpl.h.


Member Typedef Documentation

typedef std::map<std::string, int> MySqlPL::SqlRecord::NameMap [protected]

Definition at line 1077 of file mysqlpl.h.


Constructor & Destructor Documentation

MySqlPL::SqlRecord::SqlRecord ( SqlStatement stmt )

Definition at line 859 of file mysqlpl.cpp.

References _columns, MySqlPL::SqlStatement::get_column_count(), and MySqlPL::SqlStatement::get_meta_res().

 :  _stmt(stmt)
{
    int column_cnt = stmt.get_column_count();

    _columns.resize(column_cnt);

//  unsigned num_fields = mysql_num_fields(stmt.get_meta_res());
    MYSQL_FIELD* fields = mysql_fetch_fields(stmt.get_meta_res());

    for(ColumnVector::iterator it=_columns.begin(); it!=_columns.end(); ++it) {
        it->_type.init(fields++);

#if MYSQLPL_PREP_STMT
        it->_column = SqlVariant(it->_type._data_type);
#endif
    }

    //_name_map.clear();
}

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Member Function Documentation

SqlRecord::NameMap::const_iterator MySqlPL::SqlRecord::find_column ( const std::string &  col_name ) const [protected]

Definition at line 908 of file mysqlpl.cpp.

References _columns, _name_map, and _strupr_s.

Referenced by get_column_idx(), and get_column_type().

{
    std::string upper_name;

     // initialize column name map
    if (_name_map.empty()) {
        int idx = 0;

        for(ColumnVector::const_iterator it=_columns.begin(); it!=_columns.end(); ++it,++idx) {
            upper_name = it->_type._name.c_str();
            _strupr_s((char*)upper_name.data(), upper_name.length()+1);

            _name_map[upper_name] = idx;
        }
    }

    upper_name = col_name;
    _strupr_s((char*)upper_name.data(), upper_name.length()+1);

    return _name_map.find(upper_name);
}

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int MySqlPL::SqlRecord::get_column_count (  ) const [inline]

Definition at line 1051 of file mysqlpl.h.

References _columns.

        {return _columns.size();}
int MySqlPL::SqlRecord::get_column_idx ( const std::string &  col_name ) const [protected]

Definition at line 930 of file mysqlpl.cpp.

References _name_map, find_column(), and THROW_MYSQLPL_EXCEPTION.

Referenced by MySqlPL::SqlResult::get_double(), MySqlPL::SqlResult::get_int(), MySqlPL::SqlResult::get_string(), MySqlPL::SqlResult::is_not_null(), and MySqlPL::SqlResult::is_null().

{
    NameMap::const_iterator found = find_column(col_name);

    if (found != _name_map.end())
        return found->second;
    else {
        THROW_MYSQLPL_EXCEPTION("column not found");
        return -1;
    }
}

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const ColumnType& MySqlPL::SqlRecord::get_column_type ( int  idx ) const [inline]

Definition at line 1061 of file mysqlpl.h.

References _columns.

        {return _columns[idx]._type;}
const ColumnType & MySqlPL::SqlRecord::get_column_type ( const std::string &  col_name ) const

Definition at line 880 of file mysqlpl.cpp.

References _columns, _name_map, find_column(), and THROW_MYSQLPL_EXCEPTION.

{
    NameMap::const_iterator found = find_column(col_name);

    if (found != _name_map.end()) {
        int idx = found->second;
        return _columns[idx]._type;
    } else {
        THROW_MYSQLPL_EXCEPTION("column not found");
        return *(ColumnType*)NULL;
    }
}

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void MySqlPL::SqlRecord::print_columns ( std::ostream &  out )

Definition at line 943 of file mysqlpl.cpp.

References MySqlPL::ColumnType::_name, MySqlPL::ColumnType::_table_name, and MySqlPL::ColumnType::get_type_str().

Referenced by MySqlPL::SqlStatement::print_results().

{
    for(ColumnVector::const_iterator it=_columns.begin(); it!=_columns.end(); ++it) {
        const ColumnType& type = it->_type;

        if (!type._table_name.empty())
            out << type._table_name << ".";

        out << type._name << ": " << type.get_type_str() << std::endl;
    }

    out << std::endl;
}

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void MySqlPL::SqlRecord::print_values ( std::ostream &  out )

Definition at line 957 of file mysqlpl.cpp.

References MySqlPL::ColumnType::_name.

Referenced by MySqlPL::SqlStatement::print_results().

{
#if MYSQLPL_PREP_STMT
    for(ColumnVector::const_iterator it=_columns.begin(); it!=_columns.end(); ++it) {
        const ColumnType& type = it->_type;

//      if (!type._table_name.empty())
//          out << type._table_name << ".";

        out << type._name << "=" << it->_column.str() << std::endl;
    }
#else
    for(size_t i=0; i<_columns.size(); ++i) {
        const ColumnType& type = _columns[i]._type;

//      if (!type._table_name.empty())
//          out << type._table_name << ".";

        out << type._name << "=" << _stmt->get_string(i) << std::endl;
    }
#endif
}

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Member Data Documentation

Definition at line 1075 of file mysqlpl.h.

Referenced by find_column(), get_column_count(), get_column_type(), and SqlRecord().

NameMap MySqlPL::SqlRecord::_name_map [mutable, protected]

Definition at line 1078 of file mysqlpl.h.

Referenced by find_column(), get_column_idx(), and get_column_type().

Definition at line 1074 of file mysqlpl.h.


The documentation for this struct was generated from the following files: