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我的SQLite數據庫只有兩列在開始(ID和名稱),現在我又增加了兩個:DURATION和DATE。表[表名]沒有列名爲[列名]
看來我錯過了一些東西,因爲現在每當我嘗試寫入數據庫時,它都會給我提供標題中的錯誤提示。
這裏的logcat的輸出:
02-20 12:25:06.475: E/SQLiteLog(4907): (1) table music has no column named duration
02-20 12:25:06.479: E/SQLiteDatabase(4907): Error inserting duration=0 date=20.2. name=blahblah
02-20 12:25:06.479: E/SQLiteDatabase(4907): android.database.sqlite.SQLiteException: table music has no column named duration (code 1): , while compiling: INSERT INTO music(duration,date,name) VALUES (?,?,?)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:889)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:500)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1467)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1339)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at com.matejhacin.beautifulvoicerecorder.database.DatabaseHandler.newSound(DatabaseHandler.java:32)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at com.matejhacin.beautifulvoicerecorder.RecordFragment$4.onClick(RecordFragment.java:198)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:166)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.os.Handler.dispatchMessage(Handler.java:99)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.os.Looper.loop(Looper.java:137)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at android.app.ActivityThread.main(ActivityThread.java:5103)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at java.lang.reflect.Method.invokeNative(Native Method)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at java.lang.reflect.Method.invoke(Method.java:525)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
02-20 12:25:06.479: E/SQLiteDatabase(4907): at dalvik.system.NativeStart.main(Native Method)
表查詢:
String music_query =
"CREATE TABLE " + MUSIC_TABLE_NAME + " ("
+ MUSIC_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ MUSIC_NAME + " TEXT"
+ MUSIC_DURATION + " TEXT"
+ MUSIC_DATE + " TEXT"
+ ");";
功能用於將數據添加到表:
public int newSound(String name, String duration, String date){
ContentValues cv = new ContentValues();
cv.put(SQLiteHelper.MUSIC_NAME, name);
cv.put(SQLiteHelper.MUSIC_DURATION, duration);
cv.put(SQLiteHelper.MUSIC_DATE, date);
open();
return (int)db.insert(SQLiteHelper.MUSIC_TABLE_NAME, null, cv);
}
我沒有忘記遞增DATABASE_VERSION變量。我甚至嘗試徹底重新安裝應用程序。
確保你沒有插入一些數據後更新列。嘗試清除應用程序數據後,或重新安裝應用程序。 –
我已經嘗試多次重新安裝應用程序 – Guy
它只是錯字...您在CREATE語句中忘記了逗號 – Selvin