Rails 5 migration/schema dump issue/question with postgres and OracleEnhancedAdaptor

I’m using Rails5.0.0.beta3 with multiple database connection, one to
postgres and one to Oracle. When I execute rake db:migrate or rake
db:schema:dump, an error is generated which appears that the OEA is
asking
the Postgres adaptor for a listing of it’s materialized views. I’m not
sure
if this is a AR issue or an OEA issue or maybe both?

$ rake db:schema:dump
rake aborted!
NoMethodError: undefined method materialized_views' for #<ActiveRecord::ConnectionAdapters::PostgreSQLAdapter:0x007ff33b5a9110> Dev/projects/Storeburst/vendor/ruby/2.3.0/bundler/gems/oracle-enhanced-3f31fcc86f06/lib/active_record/connection_adapters/oracle_enhanced/schema_dumper.rb:30:intables’
Dev/projects/Storeburst/vendor/ruby/2.3.0/gems/activerecord-5.0.0.beta3/lib/active_record/schema_dumper.rb:37:in
dump' Dev/projects/Storeburst/vendor/ruby/2.3.0/gems/activerecord-5.0.0.beta3/lib/active_record/schema_dumper.rb:21:indump’
Dev/projects/Storeburst/vendor/ruby/2.3.0/gems/activerecord-5.0.0.beta3/lib/active_record/railties/databases.rake:253:in
block (4 levels) in <top (required)>' Dev/projects/Storeburst/vendor/ruby/2.3.0/gems/activerecord-5.0.0.beta3/lib/active_record/railties/databases.rake:252:inopen’
Dev/projects/Storeburst/vendor/ruby/2.3.0/gems/activerecord-5.0.0.beta3/lib/active_record/railties/databases.rake:252:in
block (3 levels) in <top (required)>' .rvm/gems/ruby-2.3.0/bin/ruby_executable_hooks:15:ineval’
.rvm/gems/ruby-2.3.0/bin/ruby_executable_hooks:15:in `’
Tasks: TOP => db:schema:dump

If I comment out the OEA in the Gemfile, the db:migrate and
db:schema:dump
work as expected.

jml