Product articles Database DeploymentsCross-RDBMS

Flyway Alerting and Notifications

Once a scripted Flyway task is tested and bedded-in, it should rarely cause errors, so when one happens the team need to be notified immediately, especially if it is part of an automated deployment process. This article provides a PowerShell cmdlet that will execute any Flyway command, process and filter the Flyway output and send any errors to the chosen notification system. You can receive the Flyway error alerts on your mobile phone, if required! Read more

Piping, Filtering and Using Flyway Output in PowerShell

Flyway's output is often overwhelmed with verbose messages, most of which we can ignore but some of which provide vital warnings about failed compilations, or useful details about what a migration or callback did. I'll show how to use some pipeline-aware PowerShell functions to filter out and save the bits we want and pass the results along in a form that is useful to the next process in the pipeline. Read more

Rollbacks, Undos and Undonts

Rollback scripts are designed to allow us to recover safely from a failed deployment that leaves the database in an indeterminate state. They must check exactly what needs to be reverted before doing so. If you work with an RDBMS that cannot support transaction DDL rollback they are vital. This article proposes a strategy where you create and test a rollback file, at the same time as the forward migration, and reuse it as a Flyway undo script. Read more