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From: Marcos Magueta <[email protected]>
To: Jim Jones <[email protected]>
Cc: Andrey Borodin <[email protected]>
Cc: Kirill Reshke <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: WIP - xmlvalidate implementation from TODO list
Date: Sat, 14 Feb 2026 19:30:47 -0300
Message-ID: <CAN3aFCcb0Nvap1CKShd5RNa+V+pray+ur_LtOON3nkwqdh5NMA@mail.gmail.com> (raw)
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Hey Jim,

I finally got back to it.

> On second thought, is there any scenario where we'll need a_expr for "y"
> at all in "CREATE XMLSCHEMA x AS y"? Isn't it always going to be a
> string? I see now that my example in the previous post was somewhat
> misleading (sorry for the noise).
I think you are right about removing the alias here, but I thought that on
the previous exchange you were referring to the expression on x, not y.
Nonetheless I see no point in keeping aliases here, however. I added it
because I initially thought of aliasing chained expressions, but that makes
little sense in an effectful command.

> I'd suggest to focus on 0001 for now. Feel free to revert it to the
> state of v4 if you disagree with the current approach.
I am perfectly fine with the split, I think splitting it further will cause
more problems to review because of their interdependency as you pointed out.

It seems that for v6, all that is left is to revise the grant for read and
write, and add the docs. Correct?

If so, I will get started with it.

Regards!


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  Subject: Re: WIP - xmlvalidate implementation from TODO list
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