Databases
StackOverflow2013
Postsdbo
POCalculate time between 2 TDateTime, with a twist
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POCalculate time between 2 TDateTime, with a twist
    text
    copied!<p>I need to find out how to get the time between 2 times, but only if it is within work hours(Stored in a database)</p> <p>This is what I got for now, but it is totally wrong. the total won't bee correct.</p> <pre><code>int __fastcall Organisasjon::CalculateResponsetimeInOpeninghours(std::auto_ptr&lt;DBCommand&gt; cmd, long orgid, TDateTime starttimeIn, TDateTime endtimeIn) { int totalTimeInQueue = 0; String sIsWorkDay = ""; String s = "SELECT o.isworkday, o.workdate, o.workstarttime, o.workendtime " \ "FROM orgwdexcep o " \ "WHERE o.workdate = :date " \ "AND o.orgid = :orgid "; String s2 = "SELECT o.isworkday, o.workdate, o.workstarttime, o.workendtime " \ "FROM globalwodexcep o " \ "WHERE o.workdate = :date "; String s3 = "SELECT o.workstarttime, o.workendtime " \ "FROM organizationworkday o " \ "WHERE o.weekdayindex = :weekdayindex " \ "AND o.orgid = :orgid "; double MailThisDayStart = starttimeIn; double MailThisDayEnd = endtimeIn; while ((int)MailThisDayStart &lt;= (int)endtimeIn) {//for each day i period. if((int)MailThisDayStart != (int)endtimeIn) { MailThisDayEnd = (double)((long)MailThisDayEnd) + 1; } cmd-&gt;setCommandText(s); cmd-&gt;Param( "date" ).setAsDateTime() = DBDatabase::ConvertToSADateTime(MailThisDayStart); cmd-&gt;Param("orgid").setAsLong() = orgid; cmd-&gt;Execute(); if (!(cmd-&gt;isResultSet() &amp;&amp; cmd-&gt;FetchNext())) { cmd-&gt;setCommandText(s2); cmd-&gt;Param( "date" ).setAsDateTime() = DBDatabase::ConvertToSADateTime(MailThisDayStart); cmd-&gt;Execute(); } if(cmd-&gt;isResultSet() &amp;&amp; cmd-&gt;FetchNext()) { sIsWorkDay = String(cmd-&gt;Field("isworkday").asString()); } else { int dayOfTheWeek = DayOfTheWeek(MailThisDayStart); cmd-&gt;setCommandText(s3); cmd-&gt;Param("weekdayindex").setAsLong() = dayOfTheWeek; cmd-&gt;Param("orgid").setAsLong() = orgid; cmd-&gt;Execute(); if(cmd-&gt;isResultSet() &amp;&amp; cmd-&gt;FetchNext()) { sIsWorkDay = "T"; } } if(sIsWorkDay == "T") { TDateTime tmpOpeningStart = TDateTime(cmd-&gt;Field("workstarttime").asDateTime()); TDateTime tmpOpeningEnd = TDateTime(cmd-&gt;Field("workendtime").asDateTime()); double dtmpOpeningStart = tmpOpeningStart- (int)tmpOpeningStart; double dtmpOpeningEnd = tmpOpeningEnd- (int)tmpOpeningEnd; totalTimeInQueue += Organisasjon::CountHours(MailThisDayStart, MailThisDayEnd, dtmpOpeningStart, dtmpOpeningEnd,(int)MailThisDayStart); } MailThisDayStart++;//increase date by one MailThisDayStart = (double)((long)MailThisDayStart); } return totalTimeInQueue; } int __fastcall Organisasjon::CountHours(double MailTimeStart, double MailTimeEnd, double openingTimeStart, double openingTimeEnd, int DayToCompute) { if(MailTimeEnd&lt;openingTimeStart) { return 0; } if(MailTimeStart&lt;(DayToCompute+openingTimeStart)) { MailTimeStart=openingTimeStart; } else { MailTimeStart=MailTimeStart-(int)MailTimeStart; } if(MailTimeEnd&gt;(DayToCompute+openingTimeEnd)) { MailTimeEnd=openingTimeEnd; } else { MailTimeEnd=MailTimeEnd-(int)MailTimeEnd; } TDateTime dt = TDateTime((MailTimeEnd - MailTimeStart)); unsigned short milli; unsigned short sec; unsigned short min; unsigned short hour; dt.DecodeTime(&amp;hour,&amp;min,&amp;sec,&amp;milli); int total = hour*3600; total += min*60; total += sec; return total; } </code></pre>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload