newbiehacker Posted July 6, 2006 Share Posted July 6, 2006 I am using php timeclock and need a way to notify the hr dept if an employee does not clock out at night. My problem is that i cant figure out a way to write the mysql code for the cron job. the database is set up like thisfullname|inout|timestamp|notes|I need the sql to find the employees that are still in the "out" status at a certain time. I am a newbie and would be thankful for any help.Thanks Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/ Share on other sites More sharing options...
fenway Posted July 6, 2006 Share Posted July 6, 2006 I don't understand... you're storing two records, one for in and one for out? Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/#findComment-54001 Share on other sites More sharing options...
newbiehacker Posted July 6, 2006 Author Share Posted July 6, 2006 yes, the inout field either holds "in" or "out" and I need to run the cron at around 1:00 in the morning to check which employees if any did not clock out for that day. the timestamp field hold a unix time stamp which is converted in the php timeclock app. Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/#findComment-54003 Share on other sites More sharing options...
newbiehacker Posted July 6, 2006 Author Share Posted July 6, 2006 here is a sample of the table. the ip adress does not matter. I use the employees extension for fullname+----------+-------+------------+-------+---------------+| fullname | inout | timestamp | notes | ipaddress |+----------+-------+------------+-------+---------------+| 200 | out | 1152219879 | NULL | || 200 | in | 1152219858 | NULL | || 200 | out | 1152219659 | NULL | || 200 | in | 1152219636 | NULL | || 200 | out | 1152219405 | NULL | || 200 | in | 1152219385 | NULL | || 200 | out | 1152219118 | NULL | || 200 | in | 1152219028 | NULL | | Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/#findComment-54007 Share on other sites More sharing options...
fenway Posted July 6, 2006 Share Posted July 6, 2006 You should be able to do a self-join to find "in" records without matching "out" records on any given day, assuming you don't cross midnight. Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/#findComment-54055 Share on other sites More sharing options...
newbiehacker Posted July 6, 2006 Author Share Posted July 6, 2006 Thank you for the suggestion, but I am quite confused on this self join. Ive looked at many sites and cant find a good example of this can you lend any more input on the situation. Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/#findComment-54089 Share on other sites More sharing options...
fenway Posted July 6, 2006 Share Posted July 6, 2006 Basically, you simply LEFT JOIN the table to itself, with the on condition being a shared fullname on the same day, and then look for non-matching "out" rows for every "in" row. Link to comment https://forums.phpfreaks.com/topic/13868-need-help-with-timeclock-app-cron/#findComment-54161 Share on other sites More sharing options...
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