Re: [GENERAL] Autovacuum stuck for hours, blocking queries - Mailing list pgsql-general

From Michael Paquier
Subject Re: [GENERAL] Autovacuum stuck for hours, blocking queries
Date
Msg-id CAB7nPqRKQr6+i+dDfLpC2Yq1HaVTx=B=WFXdNddngON8uygaHA@mail.gmail.com
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In response to Re: [GENERAL] Autovacuum stuck for hours, blocking queries  (Scott Marlowe <scott.marlowe@gmail.com>)
Responses Re: [GENERAL] Autovacuum stuck for hours, blocking queries  (Adrian Klaver <adrian.klaver@aklaver.com>)
List pgsql-general
On Sat, Feb 18, 2017 at 1:32 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
> Yes it can. Truncate has been rollbackable for a while now.

Per the docs:
https://www.postgresql.org/docs/9.6/static/sql-truncate.html
"TRUNCATE is transaction-safe with respect to the data in the tables:
the truncation will be safely rolled back if the surrounding
transaction does not commit."
In short yes a transaction doing a truncate can be rollbacked.
--
Michael


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