g conditions is not satisfied, the function returns NULL.\n\nThe character_set_filesystem system variable controls interpretation of\nfile names that are given as literal strings.\n\nURL: http://dev.mysql.com/doc/refman/5.7/en/string-functions.html\n\n','mysql> UPDATE t\n            SET blob_col=LOAD_FILE(\'/tmp/picture\')\n            WHERE id=1;\n','http://dev.mysql.com/doc/refman/5.7/en/string-functions.html');