func execSql(db *sqlx.DB, sql string) { stmt, err := db.Prepare(sql) checkErr(err) _, err = stmt.Exec() checkErr(err) }
func DeletePost(db *sqlx.DB, uid int) { stmt, err := db.Prepare("delete from posts where uid=$1") checkErr(err) res, err := stmt.Exec(uid) checkErr(err) affect, err := res.RowsAffected() checkErr(err) fmt.Println(affect, "rows changed") }