Re: [PROPOSAL] Use SnapshotAny in get_actual_variable_range

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Dmitriy Sarafannikov <dsarafannikov(at)yandex(dot)ru>
Cc: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Borodin Vladimir <root(at)simply(dot)name>, Хомик Кирилл <khomikki(at)yandex-team(dot)ru>
Subject: Re: [PROPOSAL] Use SnapshotAny in get_actual_variable_range
Date: 2017-09-07 23:43:11
Message-ID: 16764.1504827791@sss.pgh.pa.us
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I wrote:
> Dmitriy Sarafannikov <dsarafannikov(at)yandex(dot)ru> writes:
>> [ snapshot_non_vacuumable_v3.patch ]

> In short I think we should just set up the threshold as RecentGlobalXmin.

Pushed with that adjustment and some fooling with the comments.

regards, tom lane

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