ruby-rails 2:4.2.10 is not compatible with PostgreSQL 10 (sequence handling changed since 9.x)

[Rich James]

From PostgreSQL v10, the sequence object has altered, moving attributes such as "increment_by" and "min_value" to the pg_sequences catalog, rather than holding them in the sequence itself.
The rails package on Ubuntu 18.04 does not seem to have caught up with this.

The error was encountered using the community supported script to migrate Trac projects to Redmine.

Error text given was:
ActiveRecord::StatementInvalid: PG::UndefinedColumn: ERROR: column "increment_by" does not exist
LINE 1: ...sues_id_seq"', (SELECT COALESCE(MAX("id")+(SELECT increment_...
                                                             ^
: SELECT setval('"public"."issues_id_seq"', (SELECT COALESCE(MAX("id")+(SELECT increment_by FROM "public"."issues_id_seq"), (SELECT min_value FROM "public"."issues_id_seq")) FROM "issues"), false)
/usr/share/redmine/lib/tasks/migrate_from_trac.initial.rake:561:in `migrate'
/usr/share/redmine/lib/tasks/migrate_from_trac.initial.rake:782:in `block (2 levels) in <top (required)>'

Caused by:
PG::UndefinedColumn: ERROR: column "increment_by" does not exist
LINE 1: ...sues_id_seq"', (SELECT COALESCE(MAX("id")+(SELECT increment_...
                                                             ^
/usr/share/redmine/lib/tasks/migrate_from_trac.initial.rake:561:in `migrate'
/usr/share/redmine/lib/tasks/migrate_from_trac.initial.rake:782:in `block (2 levels) in <top (required)>'
Tasks: TOP => redmine:migrate_from_trac

[Rich James (rich.james)]

Cleaner details found at: https://help.heroku.com/WKJ027JH/rails-error-after-upgrading-to-postgres-10