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From: Pavel Stehule <[email protected]>
To: Tom Lane <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: POC: PLpgSQL FOREACH IN JSON ARRAY
Date: Thu, 12 Mar 2026 08:00:19 +0100
Message-ID: <CAFj8pRDom7DWYnOWUtSArW2D=WJ+JKpU=oNPgO7C=KUU_pEb-w@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAFj8pRD9Jjv+m=6DP6vWWn5NnZeTPH9eoPFCnA1JE5hRKRDMxQ@mail.gmail.com>
	<[email protected]>
	<[email protected]>

Hi

čt 12. 3. 2026 v 5:30 odesílatel Tom Lane <[email protected]> napsal:

> Peter Eisentraut <[email protected]> writes:
> > Maybe this could be written in such a way that it doesn't hardcode JSON
> > arrays specifically, but a type could have an iteration helper function
> > that would feed this feature?
>
> +1.  ISTM that this feature would make sense for subscriptable types,
> so one way to shoehorn it into the system without a lot of new overhead
> could be to extend struct SubscriptRoutines to offer optional support
> function(s) for iterating through all the elements of a subscriptable
> object.
>

I'll try to write second patch in this way

Regards

Pavel


>
>                         regards, tom lane
>

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