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From Manokaran K <m...@smartgrader.com>
Subject Re: getting list of items spanning a time period
Date Mon, 01 Apr 2013 09:56:42 GMT
Sorry about the prev resp. The new gmail interface tripped me :-)



On Mon, Apr 1, 2013 at 3:26 PM, Manokaran K <mano@smartgrader.com> wrote:

> 'admission_date<date>:[' + fromDate + '%20TO%20' + tillDate + ']' +
> '%20OR%20' +
>  'discharge_date<date>:[' + fromDate + '%20TO%20' + tillDate + ']' +
> '%20OR%20' +
>  '\(' +
> admission_date<date>:[' + beforeFromDate + '%20TO%20' + fromDate + ']' +
> '%20AND%20' +
>  'discharge_date<date>:[' + tillDate + '%20TO%20' + afterTillDate + ']' +
> '\)' +
>  '%20OR%20\(' +
> 'admission_date<date>:[' + beforeFromDate + '%20TO%20' + fromDate + ']' +
>  '%20AND%20' +
> 'status:under_treatment' +
> '\)' +
>
>
>
> On Mon, Apr 1, 2013 at 3:18 PM, Robert Newson <rnewson@apache.org> wrote:
>
>> I'm not sure it's possible in a couchdb view, at least not a single
>> call or view. The best I can think of a view keyed on admission_time
>> and another on discharge_time. You'd have to do the set subtraction
>> yourself, though. couchdb-lucene obviously does this for you. I assume
>> you're doing boolean queries using admission_time and discharge_time
>> fields?
>>
>>
>> B.
>>
>> On 1 April 2013 10:38, Александр Опак <opak.alexandr@gmail.com>
wrote:
>> > Use Cron(http://en.wikipedia.org/wiki/Cron) for this =)
>> >
>> >
>> > 2013/4/1 Manokaran K <manokaran@gmail.com>
>> >
>> >> Hi,
>> >>
>> >> Am working on an hospital information system using couchdb and
>> node.js. For
>> >> this I need to get the list and number of patients in a given time
>> period -
>> >> usually a day. I can get the patients who were admitted or discharged
>> in
>> >> that time period. How to get the list of patients who were admitted
>> earlier
>> >> than the start of the period but who got discharged after the time
>> period
>> >> or who are not discharged yet?
>> >>
>> >> Am currently using couchdb-lucene to get this list but would like to
>> know
>> >> if there is a way where I can get it from a view - that way I can just
>> >> reduce and get the number of patients in a given period. I was
>> wondering if
>> >> I should use a scheduler that will create a new 'under_treatment' doc
>> for
>> >> every day till the patient is discharged! Or is there a simpler way?
>> >>
>> >> Thanks in advance,
>> >> mano
>> >>
>> >> --
>> >> Lord, give us the wisdom to utter words that are gentle and tender, for
>> >> tomorrow we may have to eat them.
>> >>     -Sen. Morris Udall
>> >>
>>
>
>
>
> --
> K Manokaran
> Chief Executive Officer
> MindPlough Analytics Pvt Ltd
> (SmartGrader is the flagship service of MindPlough)
> Mobile: +91 98400 88688
>



-- 
K Manokaran
Chief Executive Officer
MindPlough Analytics Pvt Ltd
(SmartGrader is the flagship service of MindPlough)
Mobile: +91 98400 88688

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