Add DmsReloadTablesOperator - #70569
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o-nikolas merged 8 commits intoJul 30, 2026
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DmsReloadTablesOperator
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Airflow users need to rerun full loads for selected tables in active replication tasks without implementing custom boto3 tasks.
AWS no longer offers dms.t3.micro in us-east-1, preventing the system test from reaching the operator under test.
Real AWS validation requires a full-load-and-CDC task, whose PostgreSQL source must expose logical changes and commit its seed data before replication starts.
AWS can report Before load while a table awaits its full load, so the completion waiter should classify that state explicitly as transient.
The provider documentation spellcheck rejects the conjugated form, preventing the Amazon documentation job from completing.
A one-to-one wrapper expands the public hook surface without adding reusable behavior.
Both DMS reload strategies are asynchronous, so wait_for_completion should provide consistent semantics for validate-only as well as data-reload.
Data validation requires a database target, and end-to-end coverage should include validate-only completion as well as data reload completion.
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Add
DmsReloadTablesOperatorto reload selected target tables for an active AWS DMS replication task.The operator wraps the AWS DMS
ReloadTablesAPI and supports:data-reloadandvalidate-onlyreload options.The DMS system test now creates a
full-load-and-cdctask with PostgreSQL logical replication enabled, waits for the initial load, and exercises a deferrable table reload against AWS.Testing:
References:
reload_tablesAPIWas generative AI tooling used to co-author this PR?
Generated-by: Codex (GPT-5) following the guidelines