Re: foreign key locks

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Andres Freund <andres(at)2ndquadrant(dot)com>
Subject: Re: foreign key locks
Date: 2013-01-18 20:24:50
Message-ID: CA+U5nMK=++qmoLik=xvsZdKyg5ojTEk2bK0rX6DRX01MSP38nw@mail.gmail.com
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On 18 January 2013 20:02, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
> XLOG_HEAP2_LOCK_UPDATED

Every xlog record needs to know where to put the block.

Compare with XLOG_HEAP_LOCK

xlrec.target.node = relation->rd_node;

--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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