The following bug has been logged on the website:
Bug reference: 15835
Logged by: Yaroslav Schekin
Email address: ladayaroslav@yandex.ru
PostgreSQL version: 11.3
Operating system: Any
Description:
Executing the below code:
CREATE TABLE t(some_id int);
ALTER TABLE t ADD EXCLUDE USING btree(some_id WITH =) WHERE (some_id IS NOT
NULL);
ALTER TABLE t ALTER COLUMN some_id TYPE bigint;
Produces the following errors (per PostgreSQL version):
9.4.19, 9.5.15, 9.6.13: ERROR: could not open relation with OID 195837
10.8: ERROR: cache lookup failed for relation 630589
11.3, 12beta1: ERROR: relation "t_some_id_excl" already exists
