我正在尝试将一些数据插入到我的 SQLite 数据库中。但是我收到一个错误代码 1，说我的列不存在。有人可以帮我吗，下面是我的代码：
08-17 13:12:46.473: I/Database(13328): sqlite returned: error code = 1, msg = table login has no column named uid
08-17 13:12:46.503: E/Database(13328): Error inserting uid=502e7b90657ab1.86949026 created_at=2012-08-17 12:12:48 email=epaas name=hwheuu
08-17 13:12:46.503: E/Database(13328): android.database.sqlite.SQLiteException: table login has no column named uid: , while compiling: INSERT INTO login(uid, created_at, email, name) VALUES(?, ?, ?, ?);
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteCompiledSql.native_compile(Native Method)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteCompiledSql.compile(SQLiteCompiledSql.java:92)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteCompiledSql.<init>(SQLiteCompiledSql.java:65)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:83)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:41)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteDatabase.compileStatement(SQLiteDatabase.java:1231)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1658)
08-17 13:12:46.503: E/Database(13328): at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1515)
08-17 13:12:46.503: E/Database(13328): at library.DatabaseHandler.addUser(DatabaseHandler.java:69)
08-17 13:12:46.503: E/Database(13328): at com.thryfting.www.RegisterActivity$register.doInBackground(RegisterActivity.java:135)
08-17 13:12:46.503: E/Database(13328): at com.thryfting.www.RegisterActivity$register.doInBackground(RegisterActivity.java:1)
08-17 13:12:46.503: E/Database(13328): at android.os.AsyncTask$2.call(AsyncTask.java:185)
08-17 13:12:46.503: E/Database(13328): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:306)
08-17 13:12:46.503: E/Database(13328): at java.util.concurrent.FutureTask.run(FutureTask.java:138)
08-17 13:12:46.503: E/Database(13328): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1088)
08-17 13:12:46.503: E/Database(13328): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:581)
08-17 13:12:46.503: E/Database(13328): at java.lang.Thread.run(Thread.java:1027)
下面是我的数据库代码：
package library;
import java.util.HashMap;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
public class DatabaseHandler extends SQLiteOpenHelper {
// All Static variables
// Database Version
private static final int DATABASE_VERSION = 1;
// Database Name
private static final String DATABASE_NAME = "thryfting_api";
// Login table name
private static final String TABLE_LOGIN = "login";
// Login Table Columns names
private static final String KEY_ID = "id";
private static final String KEY_NAME = "name";
private static final String KEY_EMAIL = "email";
private static final String KEY_UID = "uid";
private static final String KEY_CREATED_AT = "created_at";
public DatabaseHandler(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
// Creating Tables
@Override
public void onCreate(SQLiteDatabase db) {
String CREATE_LOGIN_TABLE = "CREATE TABLE " + TABLE_LOGIN + "("
+ KEY_ID + " INTEGER PRIMARY KEY,"
+ KEY_NAME + " TEXT,"
+ KEY_EMAIL + " TEXT UNIQUE,"
+ KEY_UID + " INTEGER,"
+ KEY_CREATED_AT + " TEXT" + ")";
db.execSQL(CREATE_LOGIN_TABLE);
}
// Upgrading database
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// Drop older table if existed
db.execSQL("DROP TABLE IF EXISTS " + TABLE_LOGIN);
// Create tables again
onCreate(db);
}
/**
* Storing user details in database
* */
public void addUser(String name, String email, String uid, String created_at) {
SQLiteDatabase db = this.getWritableDatabase();
ContentValues values = new ContentValues();
values.put(KEY_NAME, name); // Name
values.put(KEY_EMAIL, email); // Email
values.put(KEY_UID, uid); // Email
values.put(KEY_CREATED_AT, created_at); // Created At
// Inserting Row
db.insert(TABLE_LOGIN, null, values);
db.close(); // Closing database connection
}
/**
* Getting user data from database
* */
public HashMap<String, String> getUserDetails(){
HashMap<String,String> user = new HashMap<String,String>();
String selectQuery = "SELECT * FROM " + TABLE_LOGIN;
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery(selectQuery, null);
// Move to first row
cursor.moveToFirst();
if(cursor.getCount() > 0){
user.put("name", cursor.getString(1));
user.put("email", cursor.getString(2));
user.put("uid", cursor.getString(3));
user.put("created_at", cursor.getString(4));
}
cursor.close();
db.close();
// return user
return user;
}
/**
* Getting user login status
* return true if rows are there in table
* */
public int getRowCount() {
String countQuery = "SELECT * FROM " + TABLE_LOGIN;
SQLiteDatabase db = this.getReadableDatabase();
Cursor cursor = db.rawQuery(countQuery, null);
int rowCount = cursor.getCount();
db.close();
cursor.close();
// return row count
return rowCount;
}
/**
* Re crate database
* Delete all tables and create them again
* */
public void resetTables(){
SQLiteDatabase db = this.getWritableDatabase();
// Delete All Rows
db.delete(TABLE_LOGIN, null, null);
db.close();
}
}