in that case it will be fine On Thu, Feb 21, 2013 at 1:03 AM, ddf <orat...@msn.com> wrote:
> > > On Tuesday, February 19, 2013 7:13:42 PM UTC-7, sidd wrote: > >> u cannot use greatest function with null parameter, it will return null >> only >> >> On Wed, Feb 20, 2013 at 3:16 AM, Gayathri <gd0...@gmail.com> wrote: >> >>> I just thought about it and found that i can do it with greatest >>> function. >>> >>> v_result := getbasevalue(....) + greatest(getpricediff(....), 0) >>> >>> Thanks, >>> Divya K M >>> >>> >>> On Tue, Feb 19, 2013 at 4:11 PM, Gayathri <gd0...@gmail.com> wrote: >>> >>>> Hi All, >>>> >>>> Need suggestion on how to do this. >>>> >>>> In a PL/SQL block, have an expression like below - >>>> where 2 functions are called and result is added together. >>>> v_result := getbasevalue(....) + getpricediff(....) >>>> >>>> Function getpricediff(...), if returns value less than 0, then it >>>> should be substituted as '0' (zero) else whatever value is calculated. >>>> >>>> this is what i am looking for - >>>> v_result := getbasevalue(....) + case if getpricediff(....) < 0 then 0 >>>> else getpricediff(....) end >>>> >>>> any better way to achieve this without calling the function twice? >>>> >>>> Thanks in advance! >>>> >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Oracle PL/SQL" group. >>> To post to this group, send email to oracle...@googlegroups.com >>> >>> To unsubscribe from this group, send email to >>> Oracle-PLSQL...@**googlegroups.com >>> >>> For more options, visit this group at >>> http://groups.google.com/**group/Oracle-PLSQL?hl=en<http://groups.google.com/group/Oracle-PLSQL?hl=en> >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Oracle PL/SQL" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to oracle-plsql...@**googlegroups.com. >>> >>> For more options, visit >>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>> . >>> >>> >>> >> >> It doesn't appear he/she is using greatest() with a function that returns > a NULL value. Is there some reason you think that function will return a > NULL value? A price difference shouldn't be NULL so the function should > return a numeric value in all cases. > > > David Fitzjarrell > > -- > -- > You received this message because you are subscribed to the Google > Groups "Oracle PL/SQL" group. > To post to this group, send email to Oracle-PLSQL@googlegroups.com > To unsubscribe from this group, send email to > oracle-plsql-unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/Oracle-PLSQL?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "Oracle PL/SQL" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to oracle-plsql+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To post to this group, send email to Oracle-PLSQL@googlegroups.com To unsubscribe from this group, send email to oracle-plsql-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Oracle-PLSQL?hl=en --- You received this message because you are subscribed to the Google Groups "Oracle PL/SQL" group. To unsubscribe from this group and stop receiving emails from it, send an email to oracle-plsql+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.