trim(leading|trailing|both string1 from string2) 1. 其中,leading删除string1的前缀字符;both删除string1的前缀和后缀字符;trailing删除string1的后缀字符;string1表示删除的指定字符,默认删除空格,string2代表被操作的源字符串。 eg: select trim(both 't' from 'this is zlsoft'), trim(leading 't' from '...
AI代码助手复制代码 5.TimeStamp 10位,13位 转String selectto_char(to_timestamp(1512490630), ‘YYYY-MM-DDHH24:MI:SS');SELECTto_char(to_timestamp(t.create_time /1000), ‘YYYY-MM-DDHH24:MI:SS'); AI代码助手复制代码 10位转String SELECTto_char(to_timestamp(t.create_time /1000), ‘YYY...
https://blog.csdn.net/qq_40985985/article/details/108529778 SELECT to_char(to_timestamp(t.create_time / 1000), ‘YYYY-MM-DD HH24:MI:SS’);
PostgreSQL allows us to convert a date, interval, number, timestamp, etc., to a string via theTO_CHAR()function. The TO_CHAR() function utilizes a format mask to convert the input value to a string. The format mask must be a valid number or date. This write-up will teach you how ...
1. 时间戳Long转Timestamp select TO_TIMESTAMP(1512490630) as time from tablename; 2. TimeStamp转时间戳Long 转10位 SELECT EXTRACT(epoch FROM NOW()); SELECT EXTRACT(epoch FROM CAST(‘2017-12-06 00:17:10’ AS TIMESTAMP)); 转13位 转13位向下取整 ...
to_date 函数 to_date(string, format)函数用于将字符串string按照format格式转换为日期类型。 SELECTto_date('2023/03/25','YYYY/MM/DD'),to_date('20230326','yyyymmdd');2023-03-252023-03-26 to_timestamp 函数 to_timestamp(string, format)函数用于将字符串string按照format格式转换为timestampWITH time...
SELECTto_timestamp(1583152349);to_timestamp|---|2020-03-0220:32:29+08| 获取系统时间 PostgreQL 提供了大量用于获取系统当前日期和时间的函数,例如 current_date、current_time、current_timestamp、clock_timestamp()、localtimestamp、now()、statement_timestamp() 等;同时还支持延迟语句执行的 pg_sleep()...
Postgresql中string转换成timestamp类型 Postgresql中string转换成timestamp类型Mybatis+Postgresql TO_DATE(#{startTime}, 'YYYY-MM-DD')AND op_date <![CDATA[>= ]]> TO_TIMESTAMP(#{beginTime}, 'YYYY-MM-DD HH24:MI:SS')AND op_date <![CDATA[<= ]]> TO_TIMESTAMP(#{endTime}, 'YYYY-MM...
recovery_target_name (string) This parameter specifies the named restorepoint, createdwithpg_create_restore_point()towhich recovery will proceed. At most oneofrecovery_target_name, recovery_target_timeorrecovery_target_xid can be specified. Thedefaultistorecovertotheendofthe WALlog. ...