SELECT VALUE { currentTimestamp: GetCurrentTimestamp() } JSON 复制 [ { "currentTimestamp": 1556916469065 } ] 注解 此函数为非确定性函数。 返回的结果采用 UTC(协调世界时)格式。 此函数不使用索引。 如果需要将值与当前时间进行比较,请在执行查询之前获取当前时间,并在 WHERE 子句中使用该常量字符串...
4. 获得当前 UTC 日期时间函数:utc_date(), utc_time(), utc_timestamp() mysql> select utc_timestamp(), utc_date(), utc_time(), now() +———+———+———+———+ | utc_timestamp() | utc_date() | utc_time() | now() | +———+———+———+———+ | 2008-08-08...
GETUTCDATE以时间戳或POSIXTIME格式将当前UTC日期和时间作为时间戳返回。 所有其他TIMESTAMP函数都返回本地日期和时间:GETDATE、CURRENT_TIMESTAMP、NOW和SYSDATE以TIMESTAMP或POSIXTIME格式将当前本地日期和时间作为时间戳返回。 GETDATE和CURRENT_TIMESTAMP提供精度参数。 NOW,无参数CURRENT_TIMESTAMP和SYSDATE不提供精度参...
GETUTCDATE以时间戳或POSIXTIME格式将当前UTC日期和时间作为时间戳返回。 所有其他TIMESTAMP函数都返回本地日期和时间:GETDATE、CURRENT_TIMESTAMP、NOW和SYSDATE以TIMESTAMP或POSIXTIME格式将当前本地日期和时间作为时间戳返回。 GETDATE和CURRENT_TIMESTAMP提供精度参数。 NOW,无参数CURRENT_TIMESTAMP和SYSDATE不提供精度参...
getdate() 与 current_timestamp() 有什么区别 在使用语法上稍有区别select getdate()select current_timestamp --这个不加括号在功能上没有区别。MSDN上的说明:CURRENT_TIMESTAMPReturns the current date and time. This function is equivalent to GETDATE().
1. Get Current Timestamp with Instant TheInstantrepresents a unique point in the timeline and is primarily used to record event time-stamps in the application. It is an actual point in time, expressed usingUTC– a universal time scale. ...
(localtime(&now))-mktime(gmtime(&now))+now}}fnmain(){letnow=std::time::SystemTime::now().duration_since(std::time::SystemTime::UNIX_EPOCH);lett1=now.unwrap().as_secs();lett2=get_utc_timestamp();lett3=get_local_timestamp();println!("UTC Timestamp1: {t1}\nUTC Timestamp2: {...
Returns the current UTC (Coordinated Universal Time) date and time as an ISO 8601 string. Syntax NoSQL Copy GetCurrentDateTime() Return types Returns the current UTC date and time string value in the round-trip (ISO 8601) format. Note For more information on the round-trip format, see...
In Java, we can use System.currentTimeMillis() to get the current timestamp in Milliseconds since epoch time which is - the difference, measured in milliseconds, between the current time and midnight, January 1, 1970 UTC. In C++ how to get the same thing? Currently I am using this to ...
I am located at UTC+2, so it looks like that JDBC assumes that the date in the table is not a UTC timestamp, but a UTC+2 timestamp instead and tries to convert to UTC. Some googling revealed that the JDBC standard dictates something about conversion to/from the current time zone, ...