On 11/20/18 13:00, Tom Lane wrote:
> If the stored XIDs were 64 bits wide, we'd not have to bother with all
> of this mess ... but adding another 64 bits to tuple headers would be
> a painful space cost, not to mention the storage compatibility issues.
People keep saying that. But didn't someone c
Martín
On Tue, Nov 20th, 2018 at 6:0 PM, Tom Lane wrote:
>
>
>
> =?UTF-8?q?Mart=C3=ADn_Fern=C3=A1ndez?= < fmarti...@gmail.com > writes:
> > First thing that generated a lot of noise in my head was the following,
> if pg assigns contiguous numeric values for the txid, how does pg deal
> with f
=?UTF-8?q?Mart=C3=ADn_Fern=C3=A1ndez?= writes:
> First thing that generated a lot of noise in my head was the following, if pg
> assigns contiguous numeric values for the txid, how does pg deal with
> fragmentation issues ? Then I later found that the txid space is actually
> circular and not l
