Integration Architect (Presenter)
Principal Developer Advocate (Author)
It would be nice to be able to deploy an application once and be done with it, but that's not realistic: business requirements change, use cases change, and bugs are discovered. You need to be able to manage changes to your applications in a way that's easy to automate.
ksql-migrations is a command-line tool for managing ksqlDB applications, either manually or with scripts:
echo 'CREATE TABLE users ( \ name STRING, registration_date TIMESTAMP \ ) WITH (kafka_topic=’users’, value_format=’json’ \ );' > V000001__create_users.sql
You can define changes to your ksqlDB artifacts in a text file, which can be put under source control. Then you can apply the changes in an ordered sequence to bring your applications up to date:
echo 'ALTER TABLE users ADD COLUMN \ userid INT;' > V000002__create_users.sql
You can also see the status of all of the changes to monitor, which changes have been applied, and which changes are still waiting to be applied:
ksql-migrations -c config.properties info
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