how to check whether time is in between given range of time intervals

Posted on 2013-10-22
Last Modified: 2013-10-22
I want to compare a db column which stores time in format 09:30:14 against a php variable which stores time in same format.I want to check whether the time stored in dbcolumn is less than 2 miutes of time stored in php using mysql.I want to retireve some values based on this check
    $ordertime_present = 09:32:14;
    $ordertime_before = 09:30:14;
    $sql = "select count(keyid) as key_id_count from key_master where orderdate='$orderdate'
           and ordertime between '$ordertime_present' and '$ordertime_before'";
Question by:srikanth_saladi
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LVL 110

Expert Comment

by:Ray Paseur
ID: 39591077
LVL 110

Accepted Solution

Ray Paseur earned 500 total points
ID: 39591089
It would seem more natural to me to have the older time first in the between clause.  But that aside, why not combine the orderdate and ordertime into a single DATETIME column?  That would give a better design in my opinion.

$ordertime_present = date('H:i:s');
$ordertime_before = date('H:i:s', strtotime("NOW - 2 MINUTES"));
$sql = "select count(keyid) as key_id_count from key_master where orderdate='$orderdate'
           and ordertime between '$ordertime_before' and '$ordertime_present'"; 

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Author Closing Comment

ID: 39591283
Thanks Ray_Paseur,

I made a mistake by not putting older time first.Once i changed it works for me
LVL 110

Expert Comment

by:Ray Paseur
ID: 39591426
I see you're new here, @srikanth_saladi.  Please review the grading guidelines.  Since the "default" grade is "A", when you give a lower grade you are also expected to explain why the answer was deficient.

If you want to change the grade, just post back.  Thanks and regards, ~Ray

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