Schema Migrations with Flyway

A developer renamed the field Venue.name to displayName and restarted the booking service. Hibernate was in charge of the tables, on a database stored in a file, and the restart sent one statement.

alter table if exists venue add column display_name varchar(255)

Hibernate compared the entity with the table and added a column. The row then held "Riverside Hall" in the old name column and null in the new display_name column. The service started without an error, and from that moment it read every venue name as null.

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