Re: date ranges in where - Mailing list pgsql-general

From Erik Jones
Subject Re: date ranges in where
Date
Msg-id FAC3D4F1-301E-4094-8FE7-FA12E0A853F1@engineyard.com
Whole thread Raw
In response to date ranges in where  (Miguel Miranda <miguel.mirandag@gmail.com>)
Responses Re: date ranges in where
Re: date ranges in where
List pgsql-general
On May 6, 2009, at 2:12 PM, Miguel Miranda wrote:

> Hi, what is the recommended way to select a range of dates?
>
> Lets say a have a table with a lastlogin (timestamp) column and i
> want toknow what users logged in for last time between 2009-05-01
> and 2009-05-02?
>
> I know that a simple
>
> where lastlogin between '2009-05-01' and '2009-05-02' doesnt work
> beacuse it doesnt include who logged in 2009-05-02 15:30:00, etc...


WHERE lastlogin >= '2009-05-01' AND lastlogin < '2009-05-03'

or, if the values have are some unknown X and Y dates then you can do
this:

WHERE lastlogin >= 'X' AND lastlogin <= 'Y' + '1 day'::interval

Erik Jones, Database Administrator
Engine Yard
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