Result.Scan（）中的错误是什么？

Question

我正在尝试学习Go并尝试将行扫描到值，然后我将分配给结构。似乎并非所有的值都进入结构但我不知道为什么。下面是完整的脚本。对服务器运行查询实际上返回结果。但是，当我在扫描结果中进行测试时，不会显示任何数据。 在这种情况下，预期结果将是 “恩” “恩” 下面是脚本。我很确定我的结构或我的类型（或两者）都搞乱了。

package main
import (
    "log"
    _ "github.com/lib/pq"
    "fmt"
    "database/sql"  
)
//local variables
var cnstr = "cnstr"
var dbdriver = "postgres"
//data structure
type WordData struct {
    Word string
    WordID int  
    Root string
    RootID int
    PartOfSpeech string
    Case *string
    Person *string
    Gender *string
    Number *string
    Tense *string
    Voice *string
    Mood *string    
    Transliteration *string
    Root_Definition *string
}

func main() {
    db, _ := sql.Open(dbdriver, cnstr)
    var word string
            var wordid int
            var root string
            var rootid int
            var partofspeech string
            var caseval *string
            var person *string
            var gender *string
            var number *string
            var tense *string
            var voice *string
            var mood *string            
            var transliteration *string         
            var definition *string  
    if db != nil {
        err := db.QueryRow(`select 
                                    morph as word, 
                                    morph_id as wordid, 
                                    lemma as root, 
                                    lemma_id as rootid,
                                    part_of_speech as partofspeech,
                                    "case",
                                    person, gender, number, tense, voice, mood,                                     
                                    transliteration,                                                                        
                                    definition
                                 from texts where sort_order = 65006`).Scan(&word,&wordid,&root,&rootid,&partofspeech,&caseval,&person,&gender,&number,&tense,&voice,&mood,&transliteration,&definition)

        switch {
        case err == sql.ErrNoRows:
                log.Printf("No user with that ID.")
        case err != nil:
                log.Fatal(err)
        default:
                /*wd := new (WordData)
                wd.Word = word
                wd.WordID = wordid
                wd.Root = root
                wd.RootID = rootid
                wd.PartOfSpeech = partofspeech
                wd.Case = caseval
                wd.Person = person
                wd.Gender = gender
                wd.Number = number
                wd.Tense = tense
                wd.Voice = voice
                wd.Mood = mood              
                wd.Transliteration = transliteration            
                wd.Root_Definition = definition  */             
                wd := WordData{
                        word,
                        wordid,
                        root,
                        rootid,
                        partofspeech,
                        caseval,
                        person,
                        gender,
                        number,
                        tense,
                        voice,
                        mood,                       
                        transliteration,                        
                        definition}             
                fmt.Printf("Printf: %s",wd.Transliteration)
                fmt.Println(transliteration)    
        }


            //or, comment out and use the other initializer type


    }
    db.Close()
}