Re: Reducing some DDL Locks to ShareLock

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Reducing some DDL Locks to ShareLock
Date: 2008-10-07 15:15:44
Message-ID: 14875.1223392544@sss.pgh.pa.us
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Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> 2. Also need to decide whether we want pg_class.reltriggers as int2 (as
> implemented here) or switch to relhastriggers as boolean.

I'd go for changing the column name/type. Yeah, you will break any
clients that are still trying to manipulate reltriggers directly, but
better to break them obviously than non-obviously. And I think a silent
change in the column semantics has significant risk of the latter.

regards, tom lane

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