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From: David G. Johnston <[email protected]>
To: jian he <[email protected]>
Cc: Haibo Yan <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Corey Huinker <[email protected]>
Cc: Zsolt Parragi <[email protected]>
Cc: Vik Fearing <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: implement CAST(expr AS type FORMAT 'template')
Date: Wed, 1 Jul 2026 21:08:13 -0700
Message-ID: <CAKFQuwa3XNuUrwpnBF9LDLNGuq6J+tjQMAPfvqFLfFWdiCzzwQ@mail.gmail.com> (raw)
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On Wednesday, July 1, 2026, jian he <[email protected]> wrote:
>
> I guess not supporting arrays in the initial patch should be fine,
> since not all CASTs support CAST FORMAT.


Personally I’d require solving the entire problem before putting any of it
in.  This doesn’t seem like a feature that needs two years to implement.
And it isn’t like we don’t have usable tools while we wait.  This is for
standards conformance more than anything.

David J.


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