Re: POC: PLpgSQL FOREACH IN JSON ARRAY
Pavel Stehule <pavel.stehule@gmail.com>
From: Pavel Stehule <pavel.stehule@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Peter Eisentraut <peter@eisentraut.org>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2026-03-12T07:00:19Z
Lists: pgsql-hackers
Hi čt 12. 3. 2026 v 5:30 odesílatel Tom Lane <tgl@sss.pgh.pa.us> napsal: > Peter Eisentraut <peter@eisentraut.org> 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 >