From: | Kevin Grittner <kgrittn(at)gmail(dot)com> |
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To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Ants Aasma <ants(dot)aasma(at)eesti(dot)ee>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Kevin Grittner <kgrittn(at)postgresql(dot)org>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "pgsql-committers(at)postgresql(dot)org" <pgsql-committers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold < |
Date: | 2016-06-15 19:24:58 |
Message-ID: | CACjxUsMT+EYP8yJmc2pSJSEW0rkVnVb04-u40ZYFh4i6vZg5Aw@mail.gmail.com |
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On Wed, Jun 15, 2016 at 2:20 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> We might fetch a toast tuple which
> since have been re-purposed for a datum of a different type.
How would that happen?
--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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