On 12-7-2014 18:30, Svein Erling Tysvær [email protected] [firebird-support] wrote: > Your statement is equivalent to "CASE WHEN umowy.numer_umowy IS NULL THEN 0 > ELSE NULL END", so I think your problem simply is that NULL is returned if > numer_umowy has a value. You may get the result you want by changing to: > > CASE WHEN umowy.numer_umowy IS NULL THEN 0 ELSE umowy.numer_umowy END
Good find, I had totally overlooked that. Mark -- Mark Rotteveel ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 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/
