SELECT EXTRACT(DOY FROM TIMESTAMP '2001-02-16 20:38:40'); Result: 47 epoch Fordateandtimestampvalues, the number of seconds since 1970-01-01 00:00:00-00 (can be negative); forintervalvalues, the total number of seconds in the interval SELECT EXTRACT(EPOCH FROM TIMESTAMP WITH TIME ZONE...
日期/时间以时代值存储。epoch from to_timestamp('01 nov 2016', 'DD Mon YYYY'))::bigint andORDER BY 1,2目标是设置一个具有此查询的自动报表,以便在每个月< 浏览2提问于2016-11-03得票数 2 回答已采纳 4回答 从Postgres json中的数组返回一系列元素 、 众所周知,在Postgres中,我们可以使用以下方...
long nextId = ((timestamp - twepoch) << timestampLeftShift) | (datacenterId << datacenterIdShift) | (workerId << workerIdShift) | sequence; return nextId; } private long tilNextMillis(final long lastTimestamp) { long timestamp = this.timeGen(); while (timestamp <= lastTimestamp) ...
这是转换为 Postgres 时间戳的一种方法: UPDATE your_table SET date__timestamp = TIMESTAMP 'epoch' + date__bigint * INTERVAL '1 second' WHERE foo = 1; 也就是说,我们可以在纪元时间戳中添加一些秒数,以将您的值转换为正式的 Postgres 时间戳。 原文由 Tim Biegeleisen 发布,翻译遵循 CC BY-SA...
SELECT EXTRACT(EPOCH FROM TIMESTAMP WITH TIME ZONE '2001-02-16 20:38:40-08'); Result: 982384720 SELECT EXTRACT(EPOCH FROM INTERVAL '5 days 3 hours'); Result: 442800 1. Here is how you can convert an epoch value back to a time stamp: ...
selectextract(epochFROM(current_timestamp-timestamp'2016-05-24 17:10:00'))/60 与当前时间的时间间隔 selectage(current_timestamp,timestamp'2016-05-24 16:20:00'); 与当前时间间隔的格式化 selectto_char(age(timestamp'1994-01-10 10:00:00'),'YYYY年MM月DD天HH24小时MI分钟'); ...
从epoch time/timestamp| java中删除毫秒 、、、 我有一个纪元时间,我想把它转换成sql时间戳。我可以使用以下代码从纪元中提取实际时间:long t = Long.parseLong(time);我得到的输出是:2012-10-29 09:58:50.0。但当我尝试将其插入到表中时,由于毫秒部分'09:58:50.0‘而 浏览2提问于2012-10-29得票数 4...
-- duckdbwhere regexp_matches(title, name, 'i') and (extract(epoch from CURRENT_TIMESTAMP::timestamp - time::timestamp) / 60) between ? and ?这种事情总是很繁琐，虽然 ChatGPT 和 Claude 肯定有帮助，但我必须严格监督它们。两者都渴望编写查询、函数或其他大量代码的完整新版本。这些重写...
pg_replication:query: "SELECT CASE WHEN NOT pg_is_in_recovery() THEN 0 ELSE GREATEST (0, EXTRACT(EPOCH FROM (now() - pg_last_xact_replay_timestamp())) END AS lag"master: truemetrics:- lag:usage: "GAUGE"description: "Replication lag behind master in seconds"pg_postmaster:query: "SELEC...
Cast timestamp fields to::textin PostgreSQL and then convert them usingas.POSIXct()manually in R useRPostgreSQL()instead ... but its slower. I'll dig in to your code a little later and see if I can find it on the R side, but if its in C, I'm pretty useless to help. ...