[issue43752] [sqlite3] Fetching an empty value from date column raises ValueError

[Erlend Egeberg Aasland]

Erlend Egeberg Aasland <erlend.aasland at innova.no> added the comment:

Thanks for the report and the test case! :)

Regression was introduced by e161ec5dd7ba9355eb06757b9304019ac53cdf69, where it was assumed that the handling of zero-sized blobs should be consistent. Unfortunately, the handling of zero-sized blobs is not consistent. Zero-sized blobs _with_ converters must return None; zero-sized blobs _without_ converters must return b"".

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<https://bugs.python.org/issue43752>
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