Ronan Dunklau <ronan.dunklau@aiven.io> writes:
> This has been already discussed a long time ago, and the idea was rejected at
> the time since there was no demand for it:
>
https://www.postgresql.org/message-id/flat/BANLkTi%3DaGxDbGPSF043V2K-C2vF2YzGz9w%40mail.gmail.com#da4826d2cbbaca20e3440aadb3093158
I see that one of the considerations in that thread was the lack
of arrays over domains. We've since fixed that, so probably it'd
be reasonable to take a fresh look, but I'm not sure that the
conclusion would be the same as what I proposed then.
regards, tom lane