On Tuesday, August 22, 2023, PG Bug reporting form <noreply(at)postgresql(dot)org>
wrote:
> The following bug has been logged on the website:
>
> Bug reference: 18065
> Logged by: kaijian xu
> Email address: a17764530215(at)gmail(dot)com
> PostgreSQL version: 15.3
> Operating system: Debian GNU/Linux 11
> Description:
>
> When I run:
> create table if not exists "vector" ();
> alter table "vector" add column if not exists "fz_vector1_embedding"
> vector(1536);
>
> I got an error:
> ERROR: type modifier is not allowed for type "vector"
> LINE 1: ..." add column if not exists "fz_vector1_embedding" vector(153...
>
>
You are in the wrong place, core doesn’t have this type.
David J.