Re: [PATCH] Add support for ON UPDATE/DELETE actions on ALTER CONSTRAINT - Mailing list pgsql-hackers

On 2/20/18 10:10, Matheus de Oliveira wrote:
> Besides that, there is a another change in this patch on current ALTER
> CONSTRAINT about deferrability options. Previously, if the user did
> ALTER CONSTRAINT without specifying an option on deferrable or
> initdeferred, it was implied the default options, so this:
>
>     ALTER TABLE tbl
>     ALTER CONSTRAINT con_name;
>
> Was equivalent to:
>
>     ALTER TABLE tbl
>     ALTER CONSTRAINT con_name NOT DEFERRABLE INITIALLY IMMEDIATE;

Oh, that seems wrong.  Probably, it shouldn't even accept that syntax
with an empty options list, let alone reset options that are not
mentioned.

Can

you prepare a separate patch for this issue?