2013-05-05 24 views
1

對不起再次打擾,我是一個Sqlite新手,需要一些幫助。java.lang.IllegalArgumentException:空bindArgs

我正在嘗試更新單個表中的單個字段。

我試着這樣做:

db.getWritableDatabase().execSQL("UPDATE data SET korean = " 
+kopulito+ " WHERE _id = " + constantsCursor.getString(0), null); 

但我得到上述錯誤。 這是我的LogCat。

05-05 09:58:07.776: E/AndroidRuntime(30495): FATAL EXCEPTION: main 
05-05 09:58:07.776: E/AndroidRuntime(30495): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.koday/com.example.koday.MainActivity}: java.lang.IllegalArgumentException: Empty bindArgs 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.os.Handler.dispatchMessage(Handler.java:99) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.os.Looper.loop(Looper.java:130) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.ActivityThread.main(ActivityThread.java:3683) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at java.lang.reflect.Method.invokeNative(Native Method) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at java.lang.reflect.Method.invoke(Method.java:507) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at dalvik.system.NativeStart.main(Native Method) 
05-05 09:58:07.776: E/AndroidRuntime(30495): Caused by: java.lang.IllegalArgumentException: Empty bindArgs 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.database.sqlite.SQLiteDatabase.execSQL(SQLiteDatabase.java:1793) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at com.example.koday.MainActivity.updateall(MainActivity.java:301) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at com.example.koday.MainActivity.onCreate(MainActivity.java:72) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 
05-05 09:58:07.776: E/AndroidRuntime(30495): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) 
05-05 09:58:07.776: E/AndroidRuntime(30495): ... 11 more 

非常感謝。

+0

@NoobUnChained抱歉,但我不知道。我怎麼看?我相信這不是在我的代碼中,而是在Android代碼中。 – 2013-05-05 10:19:05

回答

12

其實你可以使用execSql用於更新數據。只是刪除「空」execSql方法的參數,所以改變這種:

db.getWritableDatabase().execSQL("UPDATE data SET korean = " +kopulito+ " WHERE _id = " + constantsCursor.getString(0), null); 

db.getWritableDatabase().execSQL("UPDATE data SET korean = " +kopulito+ " WHERE _id = " + constantsCursor.getString(0)); 

這完美的作品。

0

方法execSQL被重載。使用execSQL(String SQL),你可以做任何事情,但不能返回任何數據,因此它可用於插入,例如,我完全可以在我的應用程序中使用它。

16

這對我有用:只刪除execSql命令的空參數

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