Log Message:
databases/ruby-sequel: update to 5.35.0

Update ruby-sequel to 5.35.0.

=== 5.35.0 (2020-08-01)

* Recognize another disconnect error in the oracle adapter (sterlzbd) (#1705)

* Consider all associations with :dataset options as instance-specific \ 
associations (jeremyevans)

* Make Model.finalize_associations not break with instance-specific associations \ 
(jeremyevans)

* Make association placeholder loader consider block if instance_specific: false \ 
association option is used (jeremyevans)

* Copy composite unique constraints when emulating alter table operations on \ 
SQLite (jeremyevans) (#1704)

* Add instance_specific_default plugin for setting default association \ 
:instance_specific value, or warning/raising for cases where it is not specified \ 
(jeremyevans)

* Make Model.plugin issue deprecation warning if loading plugin with arguments \ 
and block if plugin does not accept arguments/block (jeremyevans)

* Make validation_class_methods consider all :if, :allow_missing, :allow_nil, \ 
and :allow_blank settings, instead of just the first (jeremyevans)

* Include hash entries with nil keys in Dataset#to_dot output in to_dot \ 
extension (jeremyevans)

* Remove unneeded conditionals from plugins and extensions (jeremyevans)

* Fix exception class in run_transaction_hooks extension if calling \ 
run_after_{commit,rollback}_hooks outside of a transaction (jeremyevans)

=== 5.34.0 (2020-07-01)

* Make eager_graph work correctly if called with no associations (jeremyevans)

* Make :ruby eager limit strategy handle cases where there is no limit or
  offset (jeremyevans)

* Do not keep a reference to a Sequel::Database instance that raises an
  exception during initialization (jeremyevans)

* Make Database#pool.all_connections not yield for a single connection pool
  in disconnected state (jeremyevans)

* Raise an exception if trying to disconnect a server that doesn't exist in
  the sharded connection pools (jeremyevans)

* Support :refresh option when calling *_pks getter method in the
  association_pks plugin (jeremyevans)

* Support caching of repeated calls to *_pks getter method in the \ 
association_pks plugin using :cache_pks association option (jeremyevans)

* Add *_pks_dataset methods for one_to_many and many_to_many associations
  when using the association_pks plugin (jeremyevans)