Copy link
@jfcherng

jfcherng Oct 12, 2019

Contributor

It's perfect valid to use _ in a column name and I believe it's used quite often. This change would make v1.7.4 literally unusable for most of people.

Not sure about other SQL standard. For MySQL, it's valid to use some of UTF-8 chars as the column name.
https://dev.mysql.com/doc/refman/8.0/en/identifiers.html