bembengarifin

/* 
references:
- https://dev.mysql.com/doc/refman/5.7/en/insert-on-duplicate.html
- https://stackoverflow.com/questions/32777081/bulk-insert-and-update-in-mysql
- https://thewebfellas.com/blog/conditional-duplicate-key-updates-with-mysql
*/

/* create a new database and use it */
drop database if exists test_upsert;
create database test_upsert;

octopitus

package main

import (
	"strings"
)

func IsOperator(c uint8) bool {
	return strings.ContainsAny(string(c), "+ & - & * & /")
}