Erlend E. Aasland <erlend.aasl...@innova.no> added the comment:
> I mean, after this change, different versions of SQLite will behave
> differently.
Yes, this is explained in the news item:
Fetch across rollback no longer raises :exc:`~sqlite3.InterfaceError`.
Instead we leave it to the SQLite library to handle these cases.
> And give a message for SQLITE_ABORT_ROLLBACK to explain this problem.
I'm not sure this is a good idea; I believe letting the underlying SQLite
library explain the error is better than trying to deduce stuff based on what
was known at compile time and what we know at runtime.
> It just leaks resource, apart from this, there seems to be no problem.
Can you provide a reproducer? We've run this change through the ref. leak bots,
and they are all green, so if there's a ref. leak, the test suite needs
improvements.
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<https://bugs.python.org/issue44092>
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