Andreas Neumann created SPARK-58342:
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Summary: Add unit tests for the SCD1 AutoCDC auxiliary table spec
Key: SPARK-58342
URL: https://issues.apache.org/jira/browse/SPARK-58342
Project: Spark
Issue Type: Sub-task
Components: Declarative Pipelines
Affects Versions: 5.0.0
Reporter: Andreas Neumann
AutoCdcAuxiliaryTable.buildScd1AuxiliaryTableSpecFor had no focused unit test:
its behavior was only exercised indirectly via higher-level pipeline suites.
SPARK-58320 added a dedicated AutoCdcScd1AuxiliaryTableSpecSuite-style suite
for the SCD2 spec builder (AutoCdcScd2AuxiliaryTableSpecSuite); this adds the
parallel coverage for SCD1.
The new AutoCdcScd1AuxiliaryTableSpecSuite resolves a real SCD1 AutoCDC graph
and asserts the derived auxiliary-table spec:
- the schema is exactly the key columns plus the CDC metadata column (no user
data columns, no SCD2 framework columns) -- SCD1 aux stores per-key tombstones,
not full rows;
- the CDC metadata column uses the SCD1 metadata struct schema and is non-null;
- the spec records ScdType.Type1, the key column names (property +
expectedKeyFields), and the correct identifiers;
- composite keys are all carried through.
Test-only change; no production code is modified.
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