Does Informix have a function equivalent to OVERLAPS, which finds out whether or not two time intervals have any time in common?
OVERLAPS for Informix
date formatinformix
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Best Answer
I don't think there is a
OVERLAPS()function that you could use. You'll have to stick to the usual test:Change
<to<=, depending on how you want your Overlap test to function on end cases, when an end time (or date) is exactly the same as the other start time. I guess such behaviour may be wanted for dates.