test: add mixed-format data evolution coverage#405
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Purpose
Linked issue: #258
Add core integration coverage for Spark-generated mixed-format data-evolution tables. This complements the existing mixed-format schema-evolution tests by enabling
row-tracking.enabledanddata-evolution.enabledon the fixtures.MERGE and RowRange mixed-format data-evolution cases are intentionally left for follow-up because local validation exposed independent Spark/Paimon or reader behavior issues. This PR keeps the coverage focused on stable core read behavior.
Brief change log
data_evolution_mixed_format_add_columnwith Parquet old-schema files and ORC/Avro new-schema files.data_evolution_mixed_format_type_promotionwith Parquet INT files and ORC/Avro BIGINT files._ROW_IDprojection.Tests
python3 -m py_compile dev/spark/provision.py: passedcargo fmt --all -- --check: passedmake docker-up: passedcargo test -p paimon-integration-tests --test read_tables data_evolution_mixed_format -- --nocapture: passed (3 passed)API and Format
No API or storage format changes. This is fixture and integration-test coverage only.
Documentation
Not required; no user-facing behavior or API changes.