Re: date ranges in where

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
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