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dynamic field "default"?


michaellunsford

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Working on a small calendar project where there is an event date and display dates -- on and off. I have controled this with three fields in mysql: event_date, date_on, and date_off. All of the fields default to 0000-00-00, but I'd like to change that to today's date for date_on, and have date_off default to whatever is sent in event_date (which might not even be possible). One thing's for sure -- refman says I'd have to change all to the timestamp type to do anything like this (and I can only record the current timestamp).

So, is all hopeless in mysql and must be hardcoded in php?

idea:
viewing a particular calendar page could fire something like this
[code]UPDATE `table` SET `date_on` = DATE_ADD(`event_date`, INTERVAL -1 MONTH); WHERE `date_on` = '0000-00-00'[/code]
will that work?
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[!--quoteo(post=374283:date=May 16 2006, 09:28 AM:name=fenway)--][div class=\'quotetop\']QUOTE(fenway @ May 16 2006, 09:28 AM) [snapback]374283[/snapback][/div][div class=\'quotemain\'][!--quotec--](minus the extraneous semi-colon).
[/quote]

oops -- old habits die hard [img src=\"style_emoticons/[#EMO_DIR#]/laugh.gif\" style=\"vertical-align:middle\" emoid=\":laugh:\" border=\"0\" alt=\"laugh.gif\" /]
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