'Equivalent of Full-text on a datetime field within MySQL

I have been using the following code to update my datetime fields when the date contained is 2015-07-21 - This means it can include any time.

So i have used the following

Dateandtime like '%2015-07-21%'

This works fine but i have been reading that the use of fulltext can make this also faster so i wanted to know if there is a similar function for datetime.



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