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Re: comparing arrays [message #181045 is a reply to message #181044]

Sun, 07 April 2013 14:14

Frank Steinmetzger
Messages: 2
Registered: April 2013

Karma:

Junior Member

bill wrote:

> On 4/7/2013 8:34 AM, Jerry Stuckle wrote:
>> On 4/7/2013 7:34 AM, bill wrote:
>>> I need to see if a patient has appointments with a psychotherapist
>>> and a physician on the same day.
>>>
>>> I request the schedule of each therapist and each physician as
>>> arrays of arrays:
>>> time, patient_number, duration (note, the therapist/physician
>>> id is not in the array)
>>> They are non-associative arrays (numeric keys)
>>> I might have 1..n physicians and 1..n therapists
>>> I can generate arrays of physicians and arrays of therapists
>>> […]
>>>
>> Does the information come from a SQL database? If so, I'd do it
>> in SQL.
>>
>
> Yes it does, 3 tables: users (therapist/physician), pt_info,
> schedule.
>
> A little more of a hint please.

You select two different appointments that have the same date:

SELECT s1.patient_number AS pn, s1.time AS t1, s2.time AS t2,
s1.duration AS d1, s2.duration AS d2
FROM schedule s1, schedule s2
WHERE s1.time=s2.time AND s1.time=<today's date>
AND s1.patient_number=s2.patient_number
AND s1.patient_number=<ID of patient of interest>
AND s1.id!=s2.id
AND s1.doctor_number!=s2.doctor_number

Of course, those times don't work that way, b/c they have date *and* time,
and you want to deal with date only. I'm not into advanced SQL, perhaps there
is an SQL function to only extract and use the date part.

You then would need to PHP-fiddle the time and duration together for only
those appointments that are today in a nested for-loop.
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[Message index]

		comparing arrays By: bill on Sun, 07 April 2013 11:34
		Re: comparing arrays By: Jerry Stuckle on Sun, 07 April 2013 12:34
		Re: comparing arrays By: bill on Sun, 07 April 2013 14:00
		Re: comparing arrays By: Frank Steinmetzger on Sun, 07 April 2013 14:14
		Re: comparing arrays By: Thomas 'PointedEars' on Sun, 07 April 2013 15:13
		Re: comparing arrays By: bill on Sun, 07 April 2013 15:34
		Re: comparing arrays By: Thomas 'PointedEars' on Sun, 07 April 2013 19:33
		Re: comparing arrays By: Jerry Stuckle on Sun, 07 April 2013 18:18
		Re: comparing arrays By: Thomas 'PointedEars' on Sun, 07 April 2013 13:37
		Re: comparing arrays By: bill on Sun, 07 April 2013 13:59
		Re: comparing arrays By: Thomas 'PointedEars' on Sun, 07 April 2013 15:14
		Re: comparing arrays By: The Natural Philosoph on Sun, 07 April 2013 14:59
		Re: comparing arrays By: The Natural Philosoph on Sun, 07 April 2013 15:01
		Re: comparing arrays By: Frank Steinmetzger on Sun, 07 April 2013 18:22

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