Re: date ranges in where

On May 6, 2009, at 2:17 PM, Erik Jones wrote:

>
> 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

Woops, that last one should've been:

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

Erik Jones, Database Administrator
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