Re: First day of month, last day of month
От | Nacef LABIDI |
---|---|
Тема | Re: First day of month, last day of month |
Дата | |
Msg-id | f16f7ea00804240743la32b08cm6ced0d9ced56948a@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: First day of month, last day of month (Colin Wetherbee <cww@denterprises.org>) |
Ответы |
Re: First day of month, last day of month
Re: First day of month, last day of month |
Список | pgsql-sql |
Actually I want to select all rows whith dates between first day of the month 00:00:00 and last date of the month 23:59:59<br/><br /><div class="gmail_quote">On Thu, Apr 24, 2008 at 4:15 PM, Colin Wetherbee <<a href="mailto:cww@denterprises.org">cww@denterprises.org</a>>wrote:<br /><blockquote class="gmail_quote" style="border-left:1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Frank Bax wrote:<br /><blockquoteclass="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> Frank Bax wrote:<br/><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div class="Ih2E3d">Nacef LABIDI wrote:<br /><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204);padding-left: 1ex;"> is there a better method to retrieve all the rows with dates in the current month.<br /></blockquote><br/></div> select * from mytable where extract(month from mydate) = extract(month from now()) and extract(yearfrom mydate) = extract(year from now());<br /></blockquote><br /> Sorry; I was not thinking clearly - date_truncis better for this:<br /><br /> select * from mytable where date_trunc('month',mydate) = date_trunc('month',now());<br/></blockquote><br /> I have some code that uses extract() for this sort of thing. Would youmind explaining how date_trunc() is better for this?<br /><br /> Most of my extract() results end up in <select>drop-down boxes in HTML.<br /><br /> Thanks.<br /><br /> Colin<br /><font color="#888888"><br /><br /> -- <br/> Sent via pgsql-sql mailing list (<a href="mailto:pgsql-sql@postgresql.org" target="_blank">pgsql-sql@postgresql.org</a>)<br/> To make changes to your subscription:<br /><a href="http://www.postgresql.org/mailpref/pgsql-sql"target="_blank">http://www.postgresql.org/mailpref/pgsql-sql</a><br /></font></blockquote></div><br/>
В списке pgsql-sql по дате отправления: