處理時間時用到了,記錄一下。
計算時間差天數
select extract(day FROM (age('2017-12-10'::date , '2017-12-01'::date)));
計算時間差秒數
select extract(epoch FROM (now() - (now()-interval '1 day') ));
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作者:peiyongbin_
來源:CSDN
原文:https://blog.csdn.net/ctypyb2002/article/details/77865677
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