Re: Inaccurate results
От | greg@turnstep.com |
---|---|
Тема | Re: Inaccurate results |
Дата | |
Msg-id | 987d1f42f68fc193155c71d4dfe1eb2c@biglumber.com обсуждение исходный текст |
Ответ на | Inaccurate results ("Chad Thompson" <chad@weblinkservices.com>) |
Список | pgsql-novice |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 [simplified] > select count(distinct(full_phone),state > from lists group by state > having count(*) > 250000 > ... > 199121 UT *** > ... > Why would these ( *** ) have showed up in the list? You are grouping on the *distinct* phones, but running the HAVING filter on the total counts. Utah has over 250,000 phones, but only 199,121 distinct ones. In other words, your HAVING clause needs to match your initial COUNT clause: having count(distinct(full_phone) - -- Greg Sabino Mullane greg@turnstep.com PGP Key: 0x14964AC8 200302071417 -----BEGIN PGP SIGNATURE----- Comment: http://www.turnstep.com/pgp.html iD8DBQE+RAbLvJuQZxSWSsgRAv8hAKD57KIzlbu3WT7VaWAkwA+W8Y/siACfcKJ5 PnJXEfSM2I3GvJ7Dg9I7sO0= =VXd4 -----END PGP SIGNATURE-----
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