ShubhamKapoor992 opened a new pull request, #72025:
URL: https://github.com/apache/airflow/pull/72025
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**Description**
Skip `None`-valued extra parameters when building Db2 connection strings and
URIs
When extra connection parameters contain keys with `None` values (e.g. from
a partially-filled connection form), the previous code would emit them as the
literal string `"None"` in the Db2 connection string (`KEY=None;`) and in the
SQLAlchemy URI query string (`?KEY=None`). Both cases result in either a
connection error or silently passing a bad value to the driver.
This fix skips `None`-valued keys in both `get_conn()` (connection string
builder) and `get_uri()` (SQLAlchemy URI builder), so only explicitly
configured parameters reach the Db2 driver.
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**Note**: The change is small and self-contained and the provider isn't
released nor used so I have not created the Git Issue.
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