The link about security in `LOAD DATA LOCAL` is incorrect.

[i7a7467]

Issue description

as above-mentioned in the subject

https://github.com/go-sql-driver/mysql#load-data-local-infile-support
description part of Might be insecure!

Example code

• No need to write

Error log

• No need to write

Configuration

• Driver version (or git SHA):

  • No need to write

• Go version:* run go version in your console

  • No need to write

• Server version:* E.g. MySQL 5.6, MariaDB 10.0.20

  • No need to write

• Server OS:* E.g. Debian 8.1 (Jessie), Windows 10

  • No need to write

[i7a7467]

Resolve #1468