INADA Naoki added the comment:
> Why are bytes being escaped in a binary blob? The reason to use
> surrogateescape is when you have data that is mostly text, should be
> processed as text, but can have occasional binary data. That wouldn't seem
> to apply to a database binary blob.
Since SQL may contain binary data.
data = bytes(range(256))
cursor.execute(u"INSERT INTO t (blob_col) values (%(data)s)", {"data": data})
DB driver should escape properly for SQL syntax, then decode with
surrogateescape for % operator.
bytes in Python 3.5 supports % operator so I can use it instead of unicode %.
But I'll continue to support Python 3.4 for some years.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue24870>
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