“You will write ahead logs in Postgres or binlog in MySQL… replay the changes into a new system when the new schema… essentially zero application code changes.”

Sahil Walia · Software Engineering Radio - the podcast for professional software developers · Sahil Walia on Schema Changes and Data Migrations

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What was described

enable logical replication (Postgres WAL or MySQL binlog) and replay the transaction log into the new schema in real time

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