Re: lock level for DETACH PARTITION looks sketchy

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Amit Langote <amitlangote09(at)gmail(dot)com>
Subject: Re: lock level for DETACH PARTITION looks sketchy
Date: 2018-12-20 20:58:10
Message-ID: 20181220205810.l5bzeif2hnq37lrv@alvherre.pgsql
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I think what prompted the lock to be AccessShareLock for the child rel
in the first place is the fact that ATExecDropInherit() (ALTER TABLE NO
INHERIT) uses AccessShare for the *parent* relation.

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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