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From: Christophe Pettus <[email protected]>
To: sud <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Question on indexes
Date: Thu, 10 Oct 2024 11:51:58 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAD=mzVWLN35FHPxN0Ajh2vnDkFLyg9f0vT6EKF9uPm7CYkHS5g@mail.gmail.com>
References: <CAD=mzVWLN35FHPxN0Ajh2vnDkFLyg9f0vT6EKF9uPm7CYkHS5g@mail.gmail.com>



> On Oct 10, 2024, at 11:49, sud <[email protected]> wrote:
> 
> Hi,
> I have never used any 'hash index' but saw documents in the past suggesting issues around hash index , like WAL doesnt generate for "hash index" which means we can't get the hash index back after crash also they are not applied to replicas etc.

That's very old information.  Hash indexes are correctly WAL-logged since (IIRC) version 10.

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