14.04.2016 13:24, Gabor Boros gaborbo...@yahoo.com [firebird-support] wrote: > The table have many fields and a UNIQUE constraint with four fields, one > the ISDEFAULT from it (only one default accepted for groups of rows > depend on the other three fields (which included also in the UNIQUE) > value). If the user change the default row to not default and set other > to default in the application I need to set the old default row to not > default because if not do before set the new default the UPDATE violate > the UNIQUE.
You'd better to remove IsDefault field at all and create a reference to default record in other table. -- WBR, SD. ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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: firebird-support-dig...@yahoogroups.com firebird-support-fullfeatu...@yahoogroups.com <*> To unsubscribe from this group, send an email to: firebird-support-unsubscr...@yahoogroups.com <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/
