Re: Grouping Too Closely
От | Greg Sabino Mullane |
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Тема | Re: Grouping Too Closely |
Дата | |
Msg-id | 7fdee0e68098da02600bf51be5a7f3f5@biglumber.com обсуждение исходный текст |
Ответ на | Grouping Too Closely ("Thomas F. O'Connell" <tfo@sitening.com>) |
Ответы |
Re: Grouping Too Closely
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Список | pgsql-sql |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > What I'd like to be able to do is select all records corresponding to > the minimum value of seq1 for each value of seq2 corresponding to a > given fkey (with a lower bound on the value of seq2). I'm not sure how uid figures in, but would this do what you want?: SELECT fkey, uid, seq2, min(seq1) FROM my_table WHERE seq2 > 2 GROUP BY fkey, uid, seq2 ORDER BY 1,2,3; - -- Greg Sabino Mullane greg@turnstep.com PGP Key: 0x14964AC8 200506250019 http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8 -----BEGIN PGP SIGNATURE----- iD8DBQFCvNuWvJuQZxSWSsgRAhPZAJ9ssJx1/9x1Ngr9i/fThpKkDwMq1wCg5TW0 fKHUuoUBrXx+0/5hRegpXF4= =obPq -----END PGP SIGNATURE-----
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