Hi,
Although I cannot give you an answer to your question, I believe it is better
to send it to the MyChem developers/list (see
http://sourceforge.net/p/mychem/mailman/
<http://sourceforge.net/p/mychem/mailman/>) since I’m pretty sure it’s a
problem within the MyChem/MySQL communication. You can also find the same
problem reported on the MyChem issue tracker at
https://github.com/mychem/mychem-code/issues/3
<https://github.com/mychem/mychem-code/issues/3>
Kind regards,
Fredrik
> 17 jun 2015 kl. 07:40 skrev duanbao...@iccas.ac.cn:
>
>
>
> Hi,
>
> Mychem.0.9.2 is installed and the tests are passed except two functions
> 'cml_to_molecule' and 'molecule_to_cml', and then the mychem database is
> created according to the instructions of " The Mychem Handbook". When the
> "select match_substruct('C=O', obserialzied ) from bin_structures " is
> executed, the message "ERROR 1123 (HY000): Can't initialize function
> 'match_substruct'; The second argument is null" is returned.
> substruct_ATOM_IDS() and substruct_count() functions can be executed
> correctly. Would you like to give me some help about the above error message?
> Thanks in advance.
>
> Best Regards
>
> Duan Baogen
>
>
>
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