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[Migration Engine Part 2] Add a migration checkpoint table to SQL Server and PostgreSQL - #5897
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warwickschroeder merged 6 commits intoOct 9, 2026
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- Introduced a new table `MigrationCheckpoints` to track migration states and progress. - Implemented `MigrationCheckpointEntity` to represent the checkpoint data structure. - Added `EFMigrationCheckpointStore` for managing checkpoint data with methods for reading and upserting checkpoints. - Created `MigrationCheckpointConfiguration` for configuring the entity in the DbContext. - Enhanced `ServiceControlDbContext` to include the new `MigrationCheckpoints` DbSet. - Updated `EfCoreExtensions` to provide an `UpsertCheckpoint` method for managing checkpoint persistence. - Added unit tests for `EFMigrationCheckpointStore` and `MigrationCheckpointTable` to ensure correct functionality. - Implemented transaction handling in `MigrationCheckpointTransactionTests` to verify checkpoint behavior during commits and rollbacks. - Updated RavenDB integration to support embedded server readiness checks.
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…inery (#5911) * Update migration documentation * feat: run the required migration copy at host start Adds the RavenDB source and the EF Core target for the KnownEndpoints and EndpointSettings categories, the startup checks that refuse an unsupported or unready migration, and the stall watchdog that stops a copy committing nothing for 30 minutes. Documents the migration contracts. * test: cover the RavenDB to SQL migration end to end Adds unit tests for the startup checks, the stall watchdog and the refusals, target and reader tests for both persisters, a SQL Server collation test for the endpoint settings key, and acceptance tests for a copy that is killed, restarted and opened on. Approves the two new migration settings. * tests: ensure DB schema is setup before the host starts * refactor: update BatchSizeFor method to return Task<int> for async compatibility across migration targets * docs: update migration instructions and system design to clarify settings and behavior * Refactor migration checks and improve error handling * Refactor migration commands and error handling * PR review
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What this adds
Somewhere for the migration engine to save its progress on SQL Server and PostgreSQL, so a stopped copy can resume rather than restart, plus fixes to how the RavenDB source report starts. Nothing writes checkpoints yet: the table is created empty and only the tests fill it.
--setup.--migration-source-reportprints its error and exits 1 instead of crashing.Tests
ServiceControl.Persistence.Tests/EFCore: the table's columns and timestamps, the store's reads and saves, and the transaction and stale-save cases, on SQL Server and PostgreSQL.