package db;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.database.sqlite.SQLiteOpenHelper;

public class CoolWeatherOpenHelper extends SQLiteOpenHelper{
	
	//Province±í½¨±íÓï¾ä
	public static final String CREATE_PROVINCE="create table Province (" +
			"id integer primary key autoincrement," +
			"province_name text," +
			"province_code text)";
	
	//City±í½¨±íÓï¾ä
	public static final String CREATE_CITY="create table City (" +
			"id integer primary key autoincrement," +
			"city_name text," +
			"city_code text," +
			"province_id integer)";
	
	//County½¨±íÓï¾ä
	public static final String CREATE_COUNTY="create table County (" +
			"id integer primary key autoincrement," +
			"county_name text," +
			"county_code text," +
			"city_id integer)";
	
	
	
	
	public CoolWeatherOpenHelper(Context context,String name,CursorFactory factory,
			int version){
		super(context,name,factory,version);
	}
	
	@Override
	public void onCreate(SQLiteDatabase db){
		db.execSQL(CREATE_PROVINCE);
		db.execSQL(CREATE_CITY);
		db.execSQL(CREATE_COUNTY);
	}
	
	@Override
	public void onUpgrade(SQLiteDatabase db,int oldVersion,int newVersion){
		
	}
	
}
