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Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold < - Mailing list pgsql-committers

From Kevin Grittner
Subject Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <
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Msg-id CACjxUsMT+EYP8yJmc2pSJSEW0rkVnVb04-u40ZYFh4i6vZg5Aw@mail.gmail.com
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In response to Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <  (Andres Freund <andres@anarazel.de>)
Responses Re: [HACKERS] Re: pgsql: Avoid extra locks in GetSnapshotData if old_snapshot_threshold <  (Andres Freund <andres@anarazel.de>)
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On Wed, Jun 15, 2016 at 2:20 PM, Andres Freund <andres@anarazel.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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