parkspace_manage/test/db_test.cpp

/*
 * @Description: 数据库测试
 * @Author: yct
 * @Date: 2020-07-18 21:46:45
 * @LastEditTime: 2020-07-20 14:56:48
 * @LastEditors: yct
 */ 

#include "../parkspace_allocation/database_controller.h"
using std::cout;
using std::endl;
int main()
{
    Database_controller *db = Database_controller::get_instance_pointer();
    db->database_controller_init("127.0.0.1", 3306, "yct", "123456", "test");
    // usleep(1000*1000);
    if(db->is_connected())
    {
        // 增加
        Error_manager ec = db->sql_insert("INSERT INTO my_test (content) VALUES ('aaa')");
        // usleep(1000*3000);
        cout<<"insert: "<< ec.to_string() <<endl;
        // 查询
        boost::shared_ptr<sql::ResultSet> query_result = nullptr;
        // cout<<"---"<<endl;
        ec = db->sql_query("SELECT * FROM my_test where id < 5", query_result);
        cout<<"search: "<< ec.to_string() <<endl;
        while(query_result!=nullptr && query_result->next())
        {
            cout << query_result->getInt("id") << endl;
            if(query_result->getString("content") != ""){
                cout << query_result->getInt("numm") << endl;
                cout << query_result->getString("content") << endl;
            }
        }
        // 删除
        ec = db->sql_delete("DELETE FROM my_test WHERE id=2");
        cout<<"delete: "<< ec.to_string() <<endl;
        // 修改
        ec = db->sql_update("UPDATE my_test SET content='modified_12345' WHERE id=3");
        cout<<"update: "<< ec.to_string() <<endl;

        for (size_t i = 0; i < 5; i++)
        {
            usleep(1000 * 5000);
            ec = db->sql_query("SELECT id,content FROM my_test where id < 5", query_result);
            cout << "search: " << ec.to_string() << endl;
        }
    }else{
        cout<<"connection failed "<<endl;
    }
    getchar();
    return 0;
}