pankajastro opened a new pull request, #73273:
URL: https://github.com/apache/airflow/pull/73273
`DataSourceConfig` always inferred `storage_type` from `uri`, which defaults
to empty. `LLMSchemaCompareOperator` builds a `DataSourceConfig` with only
`conn_id` and `table_name` (no `uri`, no `format`) to introspect a plain
database connection via `DbApiHook`, and that construction failed.
**Reproduction** (local `airflow dags test` run):
- Before the fix task `plain_db_table` would fail
```python3
@task
def plain_db_table():
config = DataSourceConfig(conn_id="postgres_default",
table_name="my_table")
```
- After the fix: the same task succeeds, `storage_type` stays `None`.
---
##### Was generative AI tooling used to co-author this PR?
- [X] Yes — Claude Code (Sonnet 5)
Generated-by: Claude Code (Sonnet 5) following [the
guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions)
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