Compute -> Infra -> VMs page broken with STI exception

[skateman]

When navigating to the VMs page on the latest master with the testing DB, I see the following STI exception:

Error caught: [ActiveRecord::SubclassNotFound] The single-table inheritance mechanism failed to locate the subclass: 'ManageIQ::Providers::Redhat::InfraManager::ResourcePool'. This error is raised because the column 'type' is reserved for storing the class in case of inheritance. Please rename this column if you didn't intend it to be used for storing the inheritance class or overwrite ResourcePool.inheritance_column to use another column for that information.

It is coming from:

...
/home/skateman/Repositories/ManageIQ/manageiq/lib/miq_preloader.rb:4:in `preload'
/home/skateman/Repositories/ManageIQ/manageiq/app/models/relationship.rb:92:in `arranged_rels_to_resources'
/home/skateman/Repositories/ManageIQ/manageiq/app/models/mixins/relationship_mixin.rb:397:in `subtree_arranged'
/home/skateman/.rbenv/versions/2.6.5/lib/ruby/gems/2.6.0/gems/memoist-0.15.0/lib/memoist.rb:213:in `subtree_arranged'
/home/skateman/Repositories/ManageIQ/manageiq-ui-classic/app/presenters/tree_builder_vandt.rb:37:in `relationship_tree'
/home/skateman/Repositories/ManageIQ/manageiq-ui-classic/app/presenters/tree_builder_vandt.rb:24:in `block in x_get_tree_roots'
/home/skateman/Repositories/ManageIQ/manageiq-ui-classic/app/presenters/tree_builder_vandt.rb:23:in `each'
/home/skateman/Repositories/ManageIQ/manageiq-ui-classic/app/presenters/tree_builder_vandt.rb:23:in `each_with_object'
/home/skateman/Repositories/ManageIQ/manageiq-ui-classic/app/presenters/tree_builder_vandt.rb:23:in `x_get_tree_roots'

And it looks like this:

@miq-bot assign @kbrock
@miq-bot add_label bug

[miq-bot]

@skateman 'kbrock' is an invalid assignee, ignoring...

[skateman]

@kbrock even though you're an invalid assignee, I have a feeling that you could help me with this 😉

[skateman]

Caused by ManageIQ/manageiq-schema#435 as the rest of the PRs under ManageIQ/manageiq#19529 is not merged yet. cc @bdunne @agrare

[skateman]

Fixed...