Re: [Firebird-devel] Firebird 2.1 External Table Files InternalFormat

2013-09-27 Thread Huan Ruan
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

Re: [Firebird-devel] Firebird 2.1 External Table Files InternalFormat

2013-09-26 Thread Vlad Khorsun
> 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