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MySQL Date Addition

Posted on 2006-11-19
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Last Modified: 2008-01-09
I'm trying for something like this:

DELETE FROM reservation WHERE reservedtime + INTERVAL '2' HOUR < NOW()

I've seen any number of examples but not a lot seem to work :s

Anyone have the correct syntax please?
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Question by:basiclife
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6 Comments
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 2000 total points
ID: 17975243
DELETE FROM reservation WHERE DATE_ADD(reservedtime , INTERVAL 2 HOUR ) < NOW()
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LVL 143

Assisted Solution

by:Guy Hengel [angelIII / a3]
Guy Hengel [angelIII / a3] earned 2000 total points
ID: 17975245
more efficient:

DELETE FROM reservation WHERE reservedtime < DATE_SUB( NOW(), INTERVAL 2 HOUR )
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LVL 5

Author Comment

by:basiclife
ID: 17975277
Thank you. I awas using angelIII's soution before but it wasn't deleting the records intended. I've just realised - The server is in the US, I'm in the Uk. The records were transferred from my machine to the server. The timestamp is about 7 hours out... *sigh*

Even points split coming up. Thanks both.
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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 17975282
>Thanks both.
Glad I could help... looks you didn't realize i posted all 3 comments :-)
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LVL 5

Author Comment

by:basiclife
ID: 17975289
lol. Sorry. long LONG day. I saw you were 1st/3rd.... for some reason didn't see you were 2nd too
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