Problem with lookup_by_name

Hi,

I'm using mysql++-1.7.21 binary rpm built for FC2.  I hadn't had any problems 
until I decided to upgrade to version 1.7.28.  As there is no binary rpm to 
download for FC2, I got the src rpm and did a rpmbuild.  This worked fine and 
installed properly.

But, upon running my application, which worked previously with 1.7.21, I 
discovered that it segfaulted while doing lookup_by_name.  After testing with 
1.7.21 and 1.7.22 built and installed from the src rpms, I found that it 
segfaulted regardless of these versions.

I then tested this using 'simple1' from the 1.7.28 source gz file.  Below is 
the backtrace:

#0  mysqlpp::Row::operator[] (this=0xfef12a10, i=5) at basic_string.h:249
#1  0x007c5a74 in mysqlpp::Row::lookup_by_name (this=0xfef12a10, i=0x8050a29 
"weight") at result.h:355
#2  0x0804e115 in print_stock_table (query=@0x95d42a4) at const_string.h:58
#3  0x0804b7b2 in main (argc=4, argv=0xfef13064) at simple1.cpp:24

Replacing:

                cout << setw(20) << row[0].c_str() <<
                                setw(9) << row[1].c_str() <<
                                setw(9) << row.lookup_by_name("weight").c_str() 
<<
                                setw(9) << row[3].c_str() <<
                                row[4] << endl;

with:

                cout << setw(20) << row[0].c_str() <<
                                setw(9) << row[1].c_str() <<
                                setw(9) << row[2].c_str() <<
                                setw(9) << row[3].c_str() <<
                                row[4] << endl;

allows it to run fine.

Has anyone had this problem from using the libs built from the sources?  Any 
ideas?

Also, I'm using FC2 and MySQL 5.0.1.  Ironically, the 1.7.21 binaries built for 
FC2 and MySQL 4.0 work on my machine while those I build on my machine do not.

Thanks in advance.

Regards,
Patrick Lin


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