Re: [RFC] SLIM Data Type - Compact JSON Alternative (17-62% smaller)

Hi Andreas,

thank you for taking the time to read and consider my proposal.

That makes sense — I understand the concern around inclusion in core
without broad ecosystem adoption. I appreciate the clear guidance, and I’m
happy to treat this as an extension-level effort for now.

Thanks again for the feedback.

Best regards,
Marco

Il giorno mer 14 gen 2026 alle ore 02:53 Andreas Karlsson <andreas(at)proxel(dot)se>
ha scritto:

> On 1/10/26 5:28 PM, Marco Matteucci wrote:
> > I'd like to propose a new data type for PostgreSQL: SLIM (Structured
> > Lightweight Interchange Markup), a compact alternative to JSONB that
> > achieves 17-62% storage reduction while remaining human-readable.
>
> Unless this gets much wider adoption in the general dev ecosystem I do
> not think it belongs in core. This is better as a third dparty extension.
>
> Andreas
>
>

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Marco Matteucci
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