On 12/21/2016 09:04 AM, Andrew Dunstan wrote:
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>
>
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> Yes, I agree. In any case, before we change anything can we agree on a
> description of what we currently do?
>
> Here's a second attempt:
>
> The table_len will always be greater than the sum of the tuple_len,
> dead_tuple_len and free_space. The difference is accounted for by
> fixed page overhead, the per-page table of pointers to tuples, and
> padding to ensure that tuples are correctly aligned.
>
In the absence of further comment I will proceed along these lines.
cheers
andrew