package com.example.gedy.weatherdemo.db;

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

/**
 * Created by gedy on 2015/12/31.
 */
public class CoolWeatherOpenHelper extends SQLiteOpenHelper {


    /**
     *   Province建表
     */

    private static final String CREATE_PROVINCE = "create table Province ("
            + "id integer primary key autoincrement,"
            + "province_name text,"
            + "province_code text)";

    /**
     *  City建表
     */
    private static final String CREATE_CITY = "create table City ("
            +"id integer primary key autoincrement,"
            +"city_name text,"
            +"city_code text,"
            +"province_id integer)";

    /**
     * County建表
     */
    private  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, SQLiteDatabase.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) {

    }
}
