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From: Michał Kłeczek <[email protected]>
To: Sivaprasad <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: [ANNOUNCE] BISCUIT – A Bitmap-Based Indexed Search Extension for PostgreSQL
Date: Sun, 2 Nov 2025 08:53:22 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAHi-N2GngBrYQJozySQJjKg-3Fv-5KwoFwQr_5fqwC91XrLQVQ@mail.gmail.com>
References: <CAHi-N2GngBrYQJozySQJjKg-3Fv-5KwoFwQr_5fqwC91XrLQVQ@mail.gmail.com>



> On 2 Nov 2025, at 07:58, Sivaprasad <[email protected]> wrote:
> 
> Hi all,
> 
> I'm excited to announce the release of BISCUIT, a new PostgreSQL
> extension focused on
> deterministic pattern matching using bitmaps and logical operations.
> 
> Unlike pg_trgm, BISCUIT is deterministic — no verification required.
> It uses bitmap-based indexing to accelerate complex LIKE and pattern
> queries with
> significant performance gains.
> 
> Available on PGXN: https://pgxn.org/dist/biscuit/
> Source & Docs: https://github.com/crystallinecore/biscuit
> 
> Key features:
> - Bitmap-based indexed pattern matching
> - Deterministic and exact results
> - Works seamlessly with PostgreSQL indexing
> - Lightweight, portable C extension
> 
> Feedback and contributions are welcome!

Looks very interesting but I am trying to understand why
it is not implemented as IAM plugin (ie. another index type) or GIST extension?

—
Michal

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