Java - Mysql update champ blob

Voici la solution :

Code:

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String sql = "update " + table + " set " + champ + " = (?) where " + cle + "= " + cle;
 
				PreparedStatement pstmt = getDriver().prepareStatement(sql);
				ByteArrayInputStream bais = new ByteArrayInputStream(getLong().getBytes());
				pstmt.setBinaryStream(1, bais, getLong().getBytes().length);
				pstmt.executeUpdate();
				pstmt.close();
				getDriver().setAutoCommit(true);
				pstmt.close();