GitHub - shayonj/pg-osc: Easy CLI tool for making zero downtime schema changes and backfills in PostgreSQLpg-online-schema-change (pg-osc) is a tool for making schema changes (any ALTER statements) in Postgres tables with minimal locks, thus helping achieve zero downtime schema changes against production workloads. pg-osc uses the concept of shadow table to perform schema changes. At a high level, it creates a shadow table that looks structurally the same as the primary table, performs the schema chan
