try SELECT id,(TO_DAYS(firstdate)- TO_DAYS(postdate)) AS diff FROM calendar
well you have to put the bigger date on the lhs.
Kenneth Letendre wrote:
Hello,
I'm trying to get the difference (in days) between dates stored in two date fields.
My query:
SELECT id,(firstdate- postdate) AS diff FROM calendar
This works fine if the two dates are in the same month, but not otherwise. MySQL appears to be treating the two dates as base-10 integers rather than dates. E.g.:
2004-01-07 (20,040,107) - 2003-12-31 (20,031,231) = 8876
How do I get MySQL to treat these date fields as date fields in this case?
Thanks,
Kenneth
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