FrancescoCastaldi opened a new pull request, #43695:
URL: https://github.com/apache/superset/pull/43695
### Summary
This PR improves Database Engine Specs completeness, fixes AST metadata
linting for newer Python versions, and adds unit test suites for database
engine specs lacking dedicated coverage.
### Key Changes
1. **Tooling & AST Linter (`lint_metadata.py`)**:
- Fixed AST parser to support type-annotated metadata blocks
(`AnnAssign`).
- Added support for `Tuple`, `Set`, and `UnaryOp` evaluation.
- Added UTF-8 encoding support for cross-platform execution.
2. **Metadata Coverage**:
- Reached 100% required field completeness across all 80 engine specs.
- Added complete metadata schemas to Odps, IBMi, ClickHouse (legacy),
OpenDistro, Kusto, Databricks (Hive, ODBC, Native), Aurora (MySQL, Postgres),
Arc, Parseable, and Ocient specs.
3. **Unit Test Suites**:
- Added dedicated unit tests in `tests/unit_tests/db_engine_specs/` for
22 dialects (including Cloudflare D1, Arc, IBM i, Parseable, Ocient,
MaxCompute/ODPS, Hologres, Ascend, IoTDB, Exasol, MonetDB, Solr, RisingWave,
Phoenix, Netezza, Greenplum, YugabyteDB, Shillelagh, Teradata, Vertica, Spark
SQL, and Superset meta DB).
### Testing Instructions
- Run `python superset/db_engine_specs/lint_metadata.py`
- Run unit tests under `tests/unit_tests/db_engine_specs/`
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