On Fri, 2025-07-25 at 14:10 -0400, Tom Lane wrote:
> After looking at the code I remembered that the parser might be taking
> this as a type coercion request. With that idea, I can duplicate the
> observed behavior like so:
>
> regression=# select _sa_setup_role('af_repo_app');
> INFO: af_repo_app
> _sa_setup_role
> ----------------
> Done
> (1 row)
>
> regression=# create domain _sa_setup_role as varchar[];
> CREATE DOMAIN
> regression=# select _sa_setup_role('af_repo_app');
> ERROR: malformed array literal: "af_repo_app"
> LINE 1: select _sa_setup_role('af_repo_app');
> ^
> DETAIL: Array value must start with "{" or dimension information.
>
> So ... any chance you have a data type named _sa_setup_role?
... it could also be a type "sa_setup_role", and "_sa_setup_role"
is interpreted as the corresponding array type:
CREATE DOMAIN sa_setup_role AS varchar;
select _sa_setup_role('af_repo_app');
ERROR: malformed array literal: "af_repo_app"
LINE 1: select _sa_setup_role('af_repo_app');
^
DETAIL: Array value must start with "{" or dimension information.
Yours,
Laurenz Albe
