On 01/17/17 19:39, Dmitry Yemanov wrote: > 17.01.2017 14:28, Alex Peshkoff wrote: >>>> Returning to 'allow concurrent transactions to change the same objects'. >>>> What if both transactions create same objects or any other phase 1 >>>> conflict? >>>> First committed wins? >>> Yes. >> That's OK for me. > I don't think I like it. With DML, conflicts with active record versions > are detected immediately and you either get an error or allowed to wait. > Using a completely different approach for DDL looks counter-intuitive. >
Currently with dfw we do have a lot of DDL errors raised at commit time i.e. it's not a regression. Certainly it's better to have all errors raised as soon as user types a command :) But don't forget that under normal circumstances such conflicts will be very rare. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel
