Re: BUG #15695: Failure to restore a dump, ERROR: operator does not exist: public.hstore = public.hstore

On Fri, Mar 15, 2019 at 09:20:38PM +0000, PG Bug reporting form wrote:
> I am exporting DB from 10.6 and importing into 10.7 and an UPDATE rule fails
> to restore. I have a view with a rule that starts like this
>
> CREATE OR REPLACE RULE table_view__upd__rul AS ON UPDATE
> TO schema.table_view
> DO INSTEAD (
> UPDATE sch.tab
> SET
> updated_at = NEW.updated_at,
> updated_by = NEW.updated_by,
> hstore_field = NEW.hstore_field
> WHERE id = OLD.id
> AND
> (
> OLD.updated_at IS DISTINCT FROM NEW.updated_at OR
> OLD.updated_by IS DISTINCT FROM NEW.updated_by OR
> OLD.hstore_field IS DISTINCT FROM NEW.hstore_field
> );
> ....

> pg_restore: [archiver (db)] could not execute query: ERROR: operator does
> not exist: public.hstore = public.hstore
> LINE 3: ...ISTINCT FROM (new.updated_by)::text) OR (old.hstore_field IS
> DISTINC...
>
> with an arrow pointing to "old.hstore_field IS -->DISTINC..."

> This looks like a bug to me :(

It is a bug:
https://www.postgresql.org/message-id/flat/ffefc172-a487-aa87-a0e7-472bf29735c8%40gmail.com