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System.Data.SqlClient clarify SqlDataReader get char
See original GitHub issueSql Server doesn’t have an individual char datatype and in desktop .net the SqlDataReader.GetChar is marked as not browsable and implemented as a NotSupportedException. The version in this repository lacks the browsable attribute (in src and ref) and I think it should be re-added.
The documentation for SqlDataReader.GetFieldValue<T> lists char as one of the permitted types but it will not work, there is no metadata support or way to get a char from the database. This means it will always throw an InvalidCastException and I believe it should throw NotSupportedException where T is char to align with GetChar. This would be a behaviour change and need adding to the documentation.
Issue Analytics
- State:
- Created 5 years ago
- Comments:10 (5 by maintainers)
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If you’ve checked and I hid it but didn’t close this issue then it’s closable now.
Thanks @Wraith2 for confirming, we’ll close this thread then.