bulkwrite 批量插入
rt : begin->prepare->(in loop exec)->commit并没有详细介绍用法和原理，笔者在开发业务时使用的库是sqlx[2]，sql也支持clickhouse-go驱动。参考了官方样例代码[3]：
...tx, err := connect.Begin()checkErr(err)stmt, err := tx.Prepare("INSERT INTO example (country_code, os_id, browser_id, categories, action_day, action_time) VALUES (?, ?, ?, ?, ?, ?)")checkErr(err)
for i := 0; i 100; i++ { if _, err := stmt.Exec( "RU", 10+i, 100+i, []int16{1, 2, 3}, time.Now(), time.Now(), 赞 (0)