在PostgreSQL中,您可以使用CURRENT_TIMESTAMP函数来获取当前的时间戳,或者使用CURRENT_DATE函数获取当前日期。 示例: 获取当前时间戳: ="hljs">="hljs-keyword">SELECT="hljs-built_in">CURRENT_TIMESTAMP;="2"> 获取当前日期: ="hljs">="hljs-keyword">SELECT="hljs-built_in">CURRENT_DATE; 这些函数将...
this is the time of incident, so I can not use --> current_timestamp function of Postgres at the time of insertion, so how can I then insert the time and date which I collected before into pg row in the same format as it would have been created by current_timestamp at that point...
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3 Get the Time from now() function in postgres 3 current_timestamp doesn't exist in PostgreSQL? 1 Difference between CURRENT_TIMESTAMP and CURRENT_DATE 1 postgresql - NOW() but less specific 0 Check time difference between timestamp and now in postgres 0 Get part of current_timestamp...
在PostgreSQL 中,你可以使用 EXTRACT() 函数将 CURRENT_TIMESTAMP 转换为数值类型。以下是一个示例: SELECT EXTRACT(EPOCH FROM CURRENT_TIMESTAMP) AS ti
那PostgreSQL中怎么操作呢? 解决方案 通过触发器实现,具体如下: createorreplacefunctionupd_timestamp()returnstriggeras$$beginnew.modified=current_timestamp;returnnew;end$$languageplpgsql; AI代码助手复制代码 droptableifexiststs;createtablets ( id bigserialprimarykey, ...
timestamp和timestamptz都占用8个字节,在存储时间时并没有本质的区别,都不携带时区信息。只是在insert保存数据和select给数据库客户端返回数据时处理方式不同。 下边以具体示例解释这两种数据类型的差别,以及他们与数据库链接时区(session对应的时区)和postgresql数据库时区之间的关系。下边例子使用的数据库时区是Etc/UTC...
select UNIX_TIMESTAMP(); 详细信息:http: //dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_unix-timestamp 未测试 PostgreSQL,但根据此站点,它应该可以工作: http ://www.raditha.com/postgres/timestamp.php select round( date_part( 'epoch', now() ) ); 原文由 Billy...
However using the same line in PostgreSQL returns the error below. Any ideas on how to modify query for PostgreSQL?SQL Error [42883]: ERROR: operator does not exist: timestamp with time zone - integer¶ Hint: No operator matches the given name and argument types. You...
postgresql 在sqlserverforpostgresql中,CAST(CURRENT_TIMESTAMPasfloat)的等价物是什么?选择STR(CAST(CURRENT_TIMESTAMPas float),16,15)--output:44371.8189188657 发布于 3 年前 ✅ 最佳回答: https://www.postgresql.org/docs/9.6/functions-datetime.html#FUNCTIONS-DATETIME-EXTRACT 确切的等价物是 SELECT ...