2016. 04. 28. 17:18 keltezéssel, Dmitry Yemanov [email protected] [firebird-support] írta: > 28.04.2016 16:19, Gabor Boros wrote: > >> In the language reference for "isc_tpb_read_committed + isc_tpb_wait" I >> see this: "Update conflict exceptions can never be raised by an explicit >> lock statement in this TPB mode." > > This is true for two concurrent transactions but may fail for three or > more concurrent transactions.
Your words shocked me. Firebird cannot handle more than two concurrent transactions? What is the purpose of WITH LOCK if see deadlock with and without it? I always used Firebird and don't know how other RDBMS solutions work in this situation. Gabor ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Visit http://www.firebirdsql.org and click the Documentation item on the main (top) menu. Try FAQ and other links from the left-side menu there. Also search the knowledgebases at http://www.ibphoenix.com/resources/documents/ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/firebird-support/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/firebird-support/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/
