Extracting data by months

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От Antti Linno
Тема Extracting data by months
Дата
Msg-id Pine.LNX.4.04.10008031642260.31874-100000@all.ee
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Ответы Re: Extracting data by months
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Lo.
I'm in dire need of knowledge, how to extract data by month. Monthday
and year arent' important, those I can't give from perl script, but what
I do give to postgres are the numbers of the months. Date field is in
timestamp. I thought about date_trunc, but I can't think of, how to get
data with it. In script will be 12 queries, for each month, to get the
news from that month.  
Btw, is there somewhere a manual about date_trunc, the docs that come with
RH6.1 distribution are somewhat short and lacking explanation of
date_trunc.
Antti




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