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Re: [PERFORM] typoed column name, but postgres didn't grump

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Jon Nelson <jnelson+pgsql(at)jamponi(dot)net>, "<pgsql-bugs(at)postgresql(dot)org>" <pgsql-bugs(at)postgresql(dot)org>
Subject: Re: [PERFORM] typoed column name, but postgres didn't grump
Date: 2010-10-30 00:24:54
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Lists: pgsql-bugspgsql-performance
On Oct 29, 2010, at 5:53 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> Yeah, I think we're going to have to live with it, at least for 8.4.  One could make an argument that 9.0 is new enough we could get away with a small behavior change to avoid a large amount of user confusion.  But that may be a self-serving argument based on wanting to tamp down the bug reports rather than a wisely considered policy decision...  so I'm not sure I quite buy it.
> Well, tamping down the bug reports is good from the users' point of view
> too.
> The argument for not changing it in the back branches is that there
> might be someone depending on the 8.4/9.0 behavior.  However, that seems
> moderately unlikely.  Also, if we wait, that just increases the chances
> that someone will come to depend on it, and then have a problem when
> they migrate to 9.1.  I think the "risk of breakage" argument has a lot
> more force when considering long-standing behaviors than things we just
> recently introduced.

I'm not entirely sure that a behavior we released well over a year ago can be considered "just recently introduced"...


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