Entity Framework migrations – names are case sensitive

In a rush, I’d called my migration “vendorServiceKEy”
Which had resulted in my migration being named 201512102031458_vendorServiceKEy

I then ran migrations with update-database.

Now, when I renamed the class manually, to sort out my OCD, the next time my application ran, I got

There is already an object named xxx in the database

My _MigrationHistory table contained the following entry:

ef-migrations-case-sensitive1

 

Renaming this to the correctly camel-cased version allowed EF to know this migration (although renamed) had already been run, and to ignore it

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