Blender stack smashing detected4/1/2024 This is to VARCHAR, but "success" will depend on the Code Page This is to NVARCHAR, which will always work:ĬONVERT(XML, '' + Où est le café le plus proche? The trick to this trick is that you need to add the declaration (typically omitted) and specify the source encoding: DECLARE NVARCHAR(500) = N'T8O5IGVzdCBsZSBjYWbDqSBsZSBwbHVzIHByb2NoZT8=' ĬONVERT(XML, VARCHAR(500) = CONVERT(VARCHAR(500), 0x4FC3B920657374206C6520636166C3A9206C6520706C75732070726F6368653F The trick is to convert the Base64 decoded bytes, in their text representation (even with incorrectly converted characters) into XML. Hence, ù is the 8-bit version of the two-byte UTF-8 sequence for ù ( 0xC3 and 0xB9).įortunately, it is possible to convert a UTF-8 encoded string into UTF-16, or even into a non-Unicode Code Page (IF the Code Page supports all characters being converted). SQL Server uses UTF-16 Little Endian only for NVARCHAR data, and even for XML. So, decoding the Base64 gives you back the original UTF-8 sequence of bytes. The problem is that you encoded a UTF-8 encoded string into Base64.
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