local_infile
데이터베이스에서 외부 파일 허용 여부 설정
https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_local_infile
확인
SHOW VARIABLES WHERE VARIABLE_NAME LIKE 'local_infile';
/*
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| local_infile | ON |
+---------------+-------+
1 row in set (0.01 sec)
*/