[PECOBLR-2086] Add comprehensive MST transaction metadata and edge case tests#765
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vikrantpuppala wants to merge 2 commits intodatabricks:mainfrom
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[PECOBLR-2086] Add comprehensive MST transaction metadata and edge case tests#765vikrantpuppala wants to merge 2 commits intodatabricks:mainfrom
vikrantpuppala wants to merge 2 commits intodatabricks:mainfrom
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Adds 42 new E2E tests and 3 unit tests covering gaps identified in MST + xDBC metadata audit: E2E tests (test_transactions.py): - Metadata operations (cursor.columns/tables/schemas/catalogs) in txn - MSTCheckRule-blocked SQL (SHOW/DESCRIBE/information_schema) in MST - Allowed operations (USE CATALOG/SCHEMA) in MST - DML variants: executemany, parameterized, DELETE, mixed DML in txn - Concurrent transactions: write conflict, write skew, repeatable reads - Multiple cursors in single transaction - Connection close with pending transaction (implicit rollback) - DDL behavior in transactions (CREATE/DROP/ALTER TABLE) - Edge cases: empty txn, read-only, atomicity, rollback recovery, MERGE Unit tests (test_client.py): - executemany error propagation in transaction context - Cursor close does not affect transaction state - Autocommit toggle consistency Co-authored-by: Isaac Signed-off-by: Vikrant Puppala <vikrant.puppala@databricks.com>
Co-authored-by: Isaac Signed-off-by: Vikrant Puppala <vikrant.puppala@databricks.com>
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Summary
tests/e2e/test_transactions.pycovering gaps identified in the MST + xDBC Metadata RPCs audit@pytest.mark.skipfromTestTransactionsclass so tests run against MST-enabled warehousespysql_transaction_test_tableto avoid collisions with JDBC driver testscatalogOwned-preview→catalogManagedtable propertyTest plan
pytest tests/e2e/test_transactions.pyagainst an MST-enabled warehouseNO_CHANGELOG=true
This pull request was AI-assisted by Isaac.