Many thanks for the detailed explanation, Vlad. It all makes sense now.
> I'm not sure FB 2.1.x could correctly work with 32K+ records. But i
> can be
> wrong, i don't remember exactly. Could you check it with FB 2.5 ?
>
>
> FB2.5 works fine with 32K+ rows, and only has problems when the row
> Any suggestions, guys? Can anyone please point us to the right place in the
> source code so we can have a closer look?
Physical layout of unpacked record in memory is simple:
- bitmak of NULL values, one bit per field
This bitmask contains one 32-bit intereg per every 32 fields in rel