Subject RE: [ib-support] ato increment / IDENTITY
Author Doug Chamberlin
At 6/13/2001 10:23 AM (Wednesday), Ray Drew wrote:
>Thanks for replying. I did not see in the docs that INT64 would vary its
>storage requirements. In that case you may as well have the extra
>flexibility and define pk's as INT64s. Will an INT64 compress a value of
>32767 to 2 bytes? Or 255 to 1 byte?

IIRC, all the fields in an Interbase record are subject to the usual
run-length compression treatment. So in an 8-byte Int64 the adjacent zero
bytes are reduced to 2, one counter and one value.