PHP/PDO/MySQL: inserting into MEDIUMBLOB stores bad data?

I do not think that this must be a bug. I can imagine that whenever the client talks with the server and says that the following command is in UTF-8 and the server needs it in Latin-1, then the query might get re-encoded prior parsing and execution. So this is an encoding issue for the transportation of the data.

As the whole query prior parsing will get influenced by this re-encoding, the binary data for the BLOB column will get changed as well.

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