From: | Alexander Farber <alexander(dot)farber(at)gmail(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Finding rank of a single record |
Date: | 2010-11-07 18:05:23 |
Message-ID: | AANLkTikZsXYy9TihNpTX=fs6NcMWmx87=fokEMsezzV4@mail.gmail.com |
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Lists: | pgsql-general |
And:
pref=> select * from (
select u.id,
u.first_name,
u.city,
m.money,
rank() over (order by money desc)
from pref_users u, pref_money m where
m.yw=to_char(current_timestamp, 'YYYY-IW')
) ar
where ar.id='OK138239987797';
works, but delivers 800 different ranks:
id | first_name | city | money | rank
----------------+------------+-------------+-------+---------
OK138239987797 | Иван | Новосибирск | 2169 | 1
OK138239987797 | Иван | Новосибирск | 1955 | 3479
OK138239987797 | Иван | Новосибирск | 1948 | 6957
OK138239987797 | Иван | Новосибирск | 1060 | 10435
OK138239987797 | Иван | Новосибирск | 1034 | 13913
OK138239987797 | Иван | Новосибирск | 1012 | 17391
OK138239987797 | Иван | Новосибирск | 929 | 20869
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