Re: BUG #15807: pg_upgrade does not account for renaming of system catalog column names

PG Bug reporting form <noreply@postgresql.org> writes:
> example: pg_stat_replication.sent_location was renamed to
> pg_stat_replication.sent_lsn in v10.

Yeah, that's a documented compatibility issue, per the v10 notes:

  * Rename WAL-related functions and views to use lsn instead of location
    (David Rowley)

> If a view in 9.6 refers to
> pg_stat_replication.sent_location, pg_upgrade fails entirely because "column
> pg_stat_replication.sent_location does not exist"

It is not pg_upgrade's job to fix such things.  Sorry.

            regards, tom lane