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I'm looking for the best way to use a duration field in a Rails model. I would like the format to be HH:MM:SS (ex: 01:30:23). The database in use is sqlite locally and Postgres in production.
I would also like to work with this field so I can take a look at all of the objects in the field and come up with the total time of all objects in that model and end up with something like:
30 records totaling 45 hours, 25 minutes, and 34 seconds.
So what would work best for?
- Field type for the migration
- Form field for the CRUD forms (hour, minute, second drop downs?)
- Least expensive method to generate the total duration of all records in the model