>I have been using Firebird 2.5.7 64 bit on Windows 7 for sometime, also using 
>FreeAdhocUDF. I just installed Firebird 3.0.2.32703 64 bit and now 
>FreeAdhocUDF is no longer loading.

>I see that there is a support ticket in place for this exact bug, but so far 
>no resolution. This is a major problem as I will have to roll back to 2.5 
>unless I find a work around.

>Has any one found a resolution for this problem?  I mainly use the F_DVL 
>function to get around null values, so I guess I can use a case statement (a 
>lot of work though). It would be nice to get FreeAdhocUDF working again, of 
>course.

>Any pointers appreciated!

I can’t see any reference to F_DVL on http://freeadhocudf.org/index_eng.html to 
see what it does, but can you not just use coalesce to get around null values? 
As of 2.5 I have managed to remove all dependencies I had on FreeUDFLib. 
Trickiest one to find a replacement function for was F_DIV() till I realised 
you just replace  F_DIV(int1, int2) with (Int1 / Int2) and Firebird does 
integer division for you.


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