Getting seg faults in SQLString

[Nandakumar Raghu]

The backtrace generally looks like this -

Program received signal SIGABRT, Aborted.
0x0012e416 in __kernel_vsyscall ()
(gdb) backtrace
#0 0x0012e416 in __kernel_vsyscall ()
#1 0x00528e71 in raise () from /lib/i386-linux-gnu/libc.so.6


#2 0x0052c34e in abort () from /lib/i386-linux-gnu/libc.so.6
#3 0x0055f577 in ?? () from /lib/i386-linux-gnu/libc.so.6
#4 0x00569961 in ?? () from /lib/i386-linux-gnu/libc.so.6
#5 0x0056b28b in ?? () from /lib/i386-linux-gnu/libc.so.6
#6 0x0056e41d in free () from /lib/i386-linux-gnu/libc.so.6
#7 0x0047b4d1 in operator delete(void*) () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#8 0x0045dbad in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Rep::_M_destroy(std::allocator<char> const&) ()
from /usr/lib/i386-linux-gnu/libstdc++.so.6
#9 0x0045dc6c in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
#10 0x080493e3 in sql::SQLString::~SQLString (this=0xbffff2f4, __in_chrg=<value optimized out>) at /usr/include/cppconn/sqlstring.h:46
#11 0x08048eba in main (argc=1, argv=0xbffff404) at mysqlexample.cc:71

Tried various things, using c++ string, using plain strings in quotes("string") etc, but this fault always seems to happen.

Try 1:
string column_name = "sample_text";
string result = "";
while(res->next())
{
result = res->getString(column_name);
cout<<res->getInt(1)<<"\t"<<result<<endl;
}
I am able to get the first column here, the fault occurs on the next iteration.
Try 2:
SQLString s("SELECT * FROM sample");
cout << "after sqlstring"<<endl;
res = stmt -> executeQuery (s);
cout << "after executequery"<<endl;
cout << "Retrieving the result set .." << endl;

the fault occurs in executeQuery as i do not get after executequery
Try 3:

string rc ="INSERT INTO sample(sample_id, sample_text) VALUES(?, ?)";
prep_stmt = con->prepareStatement(rc.c_str());

the fault occurs when prepareStatement returns.

Looks like mysql is trying to release the internally used SQLString and somehow causing this fault.

I have libc++ 6 installed by default, however I installed libc++ 5 to use libmysqlcppconn.

Anybody have any idea what this fault is and how to fix it?