# DES 6.5 Released (Discussion) **URL:** \ **Category:** Discussion\ **Created:** [April 10, 2020, 2:13pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178 "2020-04-10T14:13:12Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![jan](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/jan/32/4_2.png) [@jan](https://swi-prolog.discourse.group/u/jan)\ **Post date:** [April 10, 2020, 2:13pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178/1 "2020-04-10T14:13:12Z")
Congrats! > [@DES 6.5 Released](https://swi-prolog.discourse.group/t/des-6-5-released/2139/1): > > SWI-Prolog 7.4.2 Really that old? Why is that? ---
**Author:** ![fsaenzperez](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/fsaenzperez/32/50_2.png) [@fsaenzperez](https://swi-prolog.discourse.group/u/fsaenzperez)\ **Post date:** [April 10, 2020, 2:19pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178/2 "2020-04-10T14:19:08Z")
Only because a problem with ODBC that was identified with later versions (I posted it but I did not check whether it was fixed). Since it works fine, I did not update, but most likely I expect it to run also finely in 8.x. ---
**Author:** ![jan](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/jan/32/4_2.png) [@jan](https://swi-prolog.discourse.group/u/jan)\ **Post date:** [April 10, 2020, 2:43pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178/3 "2020-04-10T14:43:03Z")
> [@fsaenzperez](#): > > ODBC that was identified with later versions (I posted it but I did not check whether it was fixed). Do you recall what? Such regressions are fixed unless there is a convincing reason not to fix it (which is rarely the case). ---
**Author:** ![fsaenzperez](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/fsaenzperez/32/50_2.png) [@fsaenzperez](https://swi-prolog.discourse.group/u/fsaenzperez)\ **Post date:** [April 10, 2020, 5:31pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178/4 "2020-04-10T17:31:52Z")
Yes. It was an issue with SQL Server in Windows: [https://groups.google.com/forum/#!searchin/swi-prolog/odbc|sort:date/swi-prolog/DToOouwiHrw/PbGOgDCxBgAJ](https://groups.google.com/forum/#!searchin/swi-prolog/odbc%7Csort:date/swi-prolog/DToOouwiHrw/PbGOgDCxBgAJ) I have just tried the stable version SWI-Prolog 8.0.3 64bit (Windows 10) and the same exception is raised: ```prolog SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software. Please run ?- license. for legal details. For online help and background, visit http://www.swi-prolog.org For built-in help, use ?- help(Topic). or ?- apropos(Word). ?- odbc_connect('sqlserver', Connection, [open(once)]), odbc_current_table(Connection, Table, arity(Arity)). % ODBC: State 01000: [Microsoft][SQL Server Native Client 11.0][SQL Server]Se cambió el contexto de la base de datos a 'test'. ERROR: ODBC: State 07009: [Microsoft][SQL Server Native Client 11.0]Invalid Descriptor Index ERROR: In: ERROR: [18] odbc:odbc_column('$odbc_connection'(1131620),dual,_5688) ERROR: [17] odbc:table_column('$odbc_connection'(1131620),dual,_5726,_5728) at c:/program files/swipl/library/odbc.pl:164 ERROR: [15] '$bags':findall_loop(_5762,odbc:odbc_table_column(...,dual,_5782),_5766,[]) at c:/program files/swipl/boot/bags.pl:98 ERROR: [14] setup_call_catcher_cleanup('$bags':'$new_findall_bag','$bags':findall_loop(_5828,...,_5832,[]),_5810,'$bags':'$destroy_findall_bag') at c:/program files/swipl/boot/init.pl:468 ERROR: [10] odbc:table_facet(arity(_5878),'$odbc_connection'(1131620),row(test,dbo,dual,'TABLE','$null$')) at c:/program files/swipl/library/odbc.pl:153 ERROR: [9] odbc:odbc_current_table('$odbc_connection'(1131620),dual,arity(_5936)) at c:/program files/swipl/library/odbc.pl:145 ERROR: [7] ERROR: ERROR: Note: some frames are missing due to last-call optimization. ERROR: Re-run your program in debug mode (:- debug.) to get more detail. ^ Exception: (14) setup_call_catcher_cleanup('$bags':'$new_findall_bag', '$bags':findall_loop(_4846, odbc:odbc_table_column('$odbc_connection'(1131620), dual, _4846), _4860, []), _6000, '$bags':'$destroy_findall_bag') ? ``` In SWI-Prolog 7.4.2 it works fine: ```prolog SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software. Please run ?- license. for legal details. For online help and background, visit http://www.swi-prolog.org For built-in help, use ?- help(Topic). or ?- apropos(Word). ?- odbc_connect('sqlserver', Connection, [open(once)]), odbc_current_table(Connection, Table, arity(Arity)). % ODBC: State 01000: [Microsoft][SQL Server Native Client 11.0][SQL Server]Se cambió el contexto de la base de datos a 'test'. Connection = '$odbc_connection'(1070436), Table = dual, Arity = 1 . ``` Following your advice in that thread, I have just replaced odbc4pl.dll in 8.0.3 by the one in 7.4.2 and, again, a similar result as reported there (a dll almost compatible but for a missing predicate): ```prolog Welcome to SWI-Prolog (threaded, 64 bits, version 8.0.3) SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software. Please run ?- license. for legal details. For online help and background, visit http://www.swi-prolog.org For built-in help, use ?- help(Topic). or ?- apropos(Word). ?- odbc_connect('sqlserver', Connection, [open(once)]), odbc_current_table(Connection, Table, arity(Arity)). ERROR: Exported procedure odbc:odbc_cancel_thread/1 is not defined % ODBC: State 01000: [Microsoft][SQL Server Native Client 11.0][SQL Server]Se cambió el contexto de la base de datos a 'test'. Connection = '$odbc_connection'(935016), Table = dual, Arity = 1 . ``` ---
**Author:** ![jan](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/jan/32/4_2.png) [@jan](https://swi-prolog.discourse.group/u/jan)\ **Post date:** [April 11, 2020, 3:30pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178/5 "2020-04-11T15:30:21Z")
I’ll try to get this addressed. Not sure how. Getting the prerequisites is not always easy ☹ ---
**Author:** ![fsaenzperez](https://yyz2.discourse-cdn.com/free1/user_avatar/swi-prolog.discourse.group/fsaenzperez/32/50_2.png) [@fsaenzperez](https://swi-prolog.discourse.group/u/fsaenzperez)\ **Post date:** [April 11, 2020, 4:34pm UTC](https://swi-prolog.discourse.group/t/des-6-5-released-discussion/3178/6 "2020-04-11T16:34:07Z")
Please let me know if I could be of help.