Have a look at this one.
There is no documentation on how to use it.
Regards,
David
On Wed, 5 Jan 2022 at 16:24, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
Shaozhong SHI <shishaozhong@xxxxxxxxx> writes:
> What do you think this attempt by using create type and create a function?
> Managing Key/Value Pairs in PostgreSQL (justatheory.com)
> <https://justatheory.com/2010/08/postgres-key-value-pairs/>
The date alone should suggest to you that there might be
better ways to do it by now.
regards, tom lane