Failed to retrieve primary key for SQLServer 12

[doe300]

Running on branch rails5 on latest code (rails5@bec007e), retrieving a primary key (GUID) for a table fails with this error:

undefined method `second' for nil:NilClass

thrown in

lib/arel/visitors/sqlserver.rb, line 193 in method 'primary_Key_From_Table'

Debugging shows, that the schema_cache is empty (there are no schemas for any table).

This issue only occurs with SQLServer 12. Running the same app against a SQLServer 11 with the same database does not fail, and the schema_cache contains correct values.

[metaskills]

That branch is not ready for bug reports yet. Still working on it. This is my current target before moving to ~100 AR core failures. #504

[doe300]

Got it:)
Any estimation (days/weeks/months), when the rails5-version will be stable?

[metaskills]

Closing this issue, we have released a v5 gem which passes all ActiveRecord tests.