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From: Tom Lane <[email protected]>
To: Masahiko Sawada <[email protected]>
Cc: Noah Misch <[email protected]>
Cc: Joe Conway <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: Alexander Korotkov <[email protected]>
Cc: Guo, Adam <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Jim Mlodgenski <[email protected]>
Subject: Re: pg_trgm comparison bug on cross-architecture replication due to different char implementation
Date: Tue, 10 Sep 2024 14:57:55 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAD21AoDGs0F8hu9sk0JHMk32FSJ1rzy9HUfivYhd4O0r=6QGHg@mail.gmail.com>
References: <[email protected]>
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Masahiko Sawada <[email protected]> writes:
> An alternative way would be that we store the char signedness in the
> control file, and gin_trgm_ops opclass reads it if the bytes in the
> meta page shows 'unset'. The char signedness in the control file
> doesn't mean to be used for the compatibility check for physical
> replication but used as a hint. But it also could be a bit messy,
> though.

Yeah, that seems like it could work.  But are we sure that replicas
get a copy of the primary's control file rather than creating their
own?

			regards, tom lane

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  Subject: Re: pg_trgm comparison bug on cross-architecture replication due to different char implementation
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