当我尝试在“opmerkingen”-table中插入一行时，它会抛出一个sqlexception，说没有这样的表。我试过更改数据库版本，但这没有做任何事情。
抛出错误的方法是在代码末尾附近的“voegOpmerkingToe”。
我不知道如何解决这个问题，非常感谢任何帮助。
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import java.sql.SQLException;
/**
* Created by Michaël Desomer on 9/05/2015.
*/
public class DBAdapter {
static final String DATABASE_NAME = "SportingDatabase";
static final String DATABASE_TABLE_LID = "Lid";
static final String DATABASE_TABLE_SPORTSESSIE = "Sportsessie";
static final String DATABASE_TABLE_OPMERKINGEN = "Opmerkingen";
static final String DATABASE_TABLE_BADGES_PER_LID = "Badges_Per_Lid";
static final String DATABASE_TABLE_BADGES = "Badges";
static final int DATABASE_VERSION = 2;
static final String KEY_LID_LOGINNAAM = "loginnaam";
static final String KEY_LID_NAAM = "naam";
static final String KEY_LID_VOORNAAM = "voornaam";
static final String KEY_LID_LEEFTIJD = "leeftijd";
static final String KEY_LID_PASWOORD = "paswoord";
static final String KEY_SPORTSESSIE_LIDLOGIN = "lid_login";
static final String KEY_SPORTSESSIE_SPORTNAAM = "sportnaam";
static final String KEY_SPORTSESSIE_DUUR = "duur";
static final String KEY_OPMERKINGEN_OPMID = "opm_id";
static final String KEY_OPMERKINGEN_LIDLOGIN = "lid_login";
static final String KEY_OPMERKINGEN_OPMERKING = "opmerking";
static final String KEY_BADGESPERLID_BADGECODE = "badge_code";
static final String KEY_BADGESPERLID_LIDLOGIN = "lid_login";
static final String KEY_BADGES_BADGECODE = "badge_code";
static final String KEY_BADGES_AANTAL = "aantal";
static final String KEY_BADGES_DUUR = "duur";
static final String DATABASE_CREATE_LID = "create table if not exists Lid (" +
"loginnaam text primary key, " +
"naam text, voornaam text, " +
"leeftijd integer, " +
"paswoord text not null)";
static final String DATABASE_CREATE_SPORTSESSIE = "create table if not exists Sportsessie (" +
"lid_login text references Lid(loginnaam) deferrable initially deferred, " +
"sportnaam text, " +
"duur bigint, " +
"primary key(lid_login, sportnaam, duur)";
static final String DATABASE_CREATE_OPMERKINGEN = "create table if not exists Opmerkingen (" +
"opm_id integer primary key autoincrement, " +
"lid_login text not null references Lid(loginnaam) deferrable initially deferred, " +
"opmerking text not null)";
static final String DATABASE_CREATE_BADGESPERLID = "create table if not exists Badges_Per_Lid (" +
"badge_code text references Badges(badge_code) deferrable initially deferred, " +
"lid_login text references Lid(loginnaam) deferrable initially deferred)";
static final String DATABASE_CREATE_BADGES = "create table if not exists Badges (" +
"badge_code text primary key, " +
"aantal integer, " +
"duur bigint)";
final Context context;
DatabaseHelper DBHelper;
SQLiteDatabase db;
public DBAdapter(Context context){
this.context = context;
DBHelper = new DatabaseHelper(context);
}
private static class DatabaseHelper extends SQLiteOpenHelper{
DatabaseHelper(Context context){
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
@Override
public void onCreate(SQLiteDatabase db) {
try{
db.execSQL(DATABASE_CREATE_LID);
db.execSQL(DATABASE_CREATE_SPORTSESSIE);
db.execSQL(DATABASE_CREATE_OPMERKINGEN);
db.execSQL(DATABASE_CREATE_BADGESPERLID);
db.execSQL(DATABASE_CREATE_BADGES);
} catch(Exception e){
e.printStackTrace();
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
public DBAdapter open() throws SQLException{
db = DBHelper.getWritableDatabase();
return this;
}
public void close(){
DBHelper.close();
}
public void registreer(String login, String naam, String voornaam, int leeftijd, String paswoord) {
ContentValues initialValues = new ContentValues();
initialValues.put(KEY_LID_LOGINNAAM, login);
initialValues.put(KEY_LID_NAAM, naam);
initialValues.put(KEY_LID_VOORNAAM, voornaam);
initialValues.put(KEY_LID_LEEFTIJD, leeftijd);
initialValues.put(KEY_LID_PASWOORD, paswoord);
db.insert(DATABASE_TABLE_LID, null, initialValues);
}
public Cursor getPaswoord(String login, String paswoord){
Cursor cursor = db.query(true, DATABASE_TABLE_LID, new String[]{KEY_LID_PASWOORD}, KEY_LID_LOGINNAAM + "='" + login+"'", null, null, null, null, null);
if(cursor != null){
cursor.moveToFirst();
}
return cursor;
}
public Cursor getLid(String login){
Cursor c = db.query(true, DATABASE_TABLE_LID, new String[]{KEY_LID_LOGINNAAM, KEY_LID_NAAM, KEY_LID_VOORNAAM, KEY_LID_LEEFTIJD, KEY_LID_PASWOORD}, KEY_LID_LOGINNAAM + "='" + login+"'", null, null, null, null, null);
if(c != null){
c.moveToFirst();
}
return c;
}
public void voegOpmerkingToe(String login, String opmerking){
ContentValues values = new ContentValues();
values.put(KEY_OPMERKINGEN_OPMERKING, opmerking);
values.put(KEY_OPMERKINGEN_LIDLOGIN, login);
db.insert(DATABASE_TABLE_OPMERKINGEN, null, values);
}
public Cursor getAlleOpmerkingen(String login){
Cursor c = db.query(true, DATABASE_TABLE_OPMERKINGEN, new String[]{KEY_OPMERKINGEN_OPMERKING}, KEY_OPMERKINGEN_LIDLOGIN + "='" + login + "'", null, null, null, null, null, null);
if(c != null){
c.moveToFirst();
}
return c;
}
}
错误消息：
05-09 19:19:47.700 5635-5635/desomer_michael_2app.desomer_michael_eindopdracht_app E/SQLiteLog﹕ (1) no such table: Opmerkingen
05-09 19:19:47.730 5635-5635/desomer_michael_2app.desomer_michael_eindopdracht_app E/SQLiteDatabase﹕ Error inserting opmerking=lol lid_login=Micha12354
android.database.sqlite.SQLiteException: no such table: Opmerkingen (code 1): , while compiling: INSERT INTO Opmerkingen(opmerking,lid_login) VALUES (?,?)
at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:1118)
at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:691)
at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31)
at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1589)
at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1461)
at desomer_michael_2app.desomer_michael_eindopdracht_app.Util.DBAdapter.voegOpmerkingToe(DBAdapter.java:147)
at desomer_michael_2app.desomer_michael_eindopdracht_app.SportSessieActivity.opmerkingToevoegen(SportSessieActivity.java:82)
at desomer_michael_2app.desomer_michael_eindopdracht_app.OpmerkingFragment.opmerkingToevoegenEnAfsluiten(OpmerkingFragment.java:53)
at desomer_michael_2app.desomer_michael_eindopdracht_app.OpmerkingFragment$1.onClick(OpmerkingFragment.java:41)
at android.view.View.performClick(View.java:4475)
at android.view.View$PerformClick.run(View.java:18786)
at android.os.Handler.handleCallback(Handler.java:730)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:176)
at android.app.ActivityThread.main(ActivityThread.java:5419)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1046)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:862)
at dalvik.system.NativeStart.main(Native Method)