Raghavendra <raghavendra.rao@enterprisedb.com> wrote:
> Venkat Balaji <venkat.balaji@verse.in>wrote:
>> [attempt to calculate file space from row layout and number of
>> rows]
> One more point to add to this good discussion, each row header
> will occupy 24 bytes + 4 bytes pointer on page to tuple.
Not to mention:
http://www.postgresql.org/docs/9.1/interactive/storage-toast.html
-Kevin