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From: Tom Lane <[email protected]>
To: Jim Nasby <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Jeremy Schneider <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: Collation version tracking for macOS
Date: Mon, 06 Jun 2022 20:25:24 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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Jim Nasby <[email protected]> writes:
>> I think the real problem here is that the underlying software mostly
>> doesn't take this issue seriously.

> The first step to a solution is admitting that the problem exists. 
> Ignoring broken backups, segfaults and data corruption as a "rant" 
> implies that we simply throw in the towel and tell users to suck it up 
> or switch engines. There are other ways to address this short of the 
> community doing all the work itself. One simple example would be to 
> refuse to start if the collation provider has changed since initdb 
> (which we'd need to allow users to override).

You're conveniently skipping over the hard part, which is to tell
whether the collation provider has changed behavior (which we'd better
do with pretty darn high accuracy, if we're going to refuse to start
on the basis of thinking it has).  Unfortunately, giving a reliable
indication of collation behavioral changes is *exactly* the thing
that the providers aren't taking seriously.

			regards, tom lane

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