Schema Evolution Fixtures

Avro, SQLite, Parquet, and JSON fixtures for producer/consumer drift, nullable fields, and migration-aware schema validation.

Why This Workflow Matters

  • Covers nullable avro fields, versioned sqlite tables, and parquet shape changes that affect downstream consumers.
  • Useful for validating backward compatibility, field additions, and migration-aware ingestion logic.
  • Anchored to ETL and warehouse packs so schema-evolution suites can start from real downloadable inputs.

Recommended Packs

ETL Validation Fixture Pack

Bundle of real Parquet, Avro, SQLite, NDJSON, and CSV fixtures for ETL staging, warehouse loads, and ingestion-pipeline validation.

etl_validation_fixture_pack.zip · 4.6 KB

Warehouse Import Fixture Pack

Bundle of real Parquet, Avro, SQLite, CSV, and JSON fixtures for warehouse import, schema mapping, and analytic table-load workflows.

warehouse_import_fixture_pack.zip · 3.7 KB

Fixture Matrices

Avro Schema Fixture Matrix

Pick Avro fixtures for event ingestion, nullable field handling, and schema-evolution validation.

SQLite Local Database Fixture Matrix

Choose SQLite fixtures for embedded database replay, schema changes, staging imports, and local-analysis workflows.

Parquet Ingestion Fixture Matrix

Choose Parquet fixtures for columnar ingestion, warehouse imports, nested-column handling, and batch-load validation.

JSON API Fixture Matrix

Pick JSON fixtures for contract testing, nested payload validation, Unicode handling, and parser failure conditions.

Suggested Fixtures

Filename Format Size Actions
avro_schema_evolution_sample.avro AVRO 483 B
avro_nullable_profile_sample.avro AVRO 495 B
sqlite_schema_evolution_sample.sqlite SQLITE 20.0 KB
parquet_list_columns_sample.parquet PARQUET 2.5 KB
json_deeply_nested_payload_sample.json JSON 308 B