On Mon, 30 Jan 2006 16:04:39 +0200, Bob Caryl <[EMAIL PROTECTED]> wrote:
Volosatov Alexander wrote:
I have:
list<Glib::ustring> string_Fish_name;
Gtk::Combo combo_Fish_name;
DB fish_info; //class-interface for DB
//if Connection OK
if (fish_info.DB_Connect("") == -1)
{
// if query OK
if (fish_info.DB_SQL_Query("SELECT fish_name FROM t_fish") == -1)
{
//if count(row) > 0
if (fish_info.DB_Result_n() > 0)
{
//getting result
string_Fish_name = fish_info.DB_Result_values(0);
}
}
}
combo_Fish_name.set_popdown_strings(string_Fish_name);
ERROR: Glib-ERROR **::gmem.c:174:faild allocate 16 bytes
Sometimes crach after widget.show();
Sometimes after 5-10 seconds.
When I use:
string_Fish_name.push_back("fish one");
string_Fish_name.push_back("fish two");
no prolems.
Problems were only after using access to DB
How to solve?
Please help.
Any questions? - I answer.
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Your information is sketchy; but, the = operator for a std::list
requires that its argument be a std::list of the exact same type, so if
the call to DB_Result_values(0) does not return a list<Glib::ustring>
then your results are to be expected.
Bob
It has the same type:
list<Glib::ustring> DB::DB_Result_cols()
{
list<Glib::ustring> col_name;
if (DB_Status_Result() && (DB_Result_coln() > 0))
{
for (int i = 0; i < DB_Result_coln(); ++i)
{
col_name.push_back(PQfname(result, i));
}
}
return col_name;
}
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