在Golang中选择

I want to connect a MSSQL database, in python I get connecting to this database but in Go I can not.

When I exec this code I receive this error:

2017/08/04 12:25:39 Select failed:Login error: EOF

why?

Code:

package main

import (
    "database/sql"
    "flag"
    "fmt"
    "log"

    _ "github.com/denisenkom/go-mssqldb"
)

var (
    debug         = flag.Bool("debug", false, "enable debugging")
    password      = flag.String("password", "********", "the database password")
    port     *int = flag.Int("port", 1433, "the database port")
    server        = flag.String("server", "sql2008v\\2k8", "the database server")
    user          = flag.String("user", "usuario", "the database user")
)

func main() {
    flag.Parse()

    if *debug {
        fmt.Printf(" password:%s
", *password)
        fmt.Printf(" port:%d
", *port)
        fmt.Printf(" server:%s
", *server)
        fmt.Printf(" user:%s
", *user)
    }

    connString := fmt.Sprintf("server=%s;user id=%s;password=%s;port=%d", *server, *user, *password, *port)
    if *debug {
        fmt.Printf(" connString:%s
", connString)
    }
    conn, err := sql.Open("mssql", connString)
    if err != nil {
        log.Fatal("Open connection failed:", err.Error())
    }

    defer conn.Close()

    rows, err := conn.Query("SELECT TOP (1000) *  FROM [jiradb].[jiraschema].[jiraissue]")
    if err != nil {
        log.Fatal("Select failed:", err.Error())
    }
    defer rows.Close()

    fmt.Printf("bye
")
}