Use IN operator like arel for empty hash in where clause
Merge pull request #9232 from robertomiranda/where-with-empty-hash

Use IN operator like Arel for empty hash in where clause
Update activerecord/CHANGELOG.md
Added notice message for destroy method in scaffold
Merge pull request #9233 from rahul100885/master

Added notice message for destroy method in scaffold
the `:controller` option for routes can contain numbers. closes #9231.
Merge pull request #9234 from senny/9231_no_numbers_in_route_namespaces_allowed

The `:controller` option for routes can contain numbers. closes #9231.