sequel_4_dataset_methods.rb

This adds the following dataset methods:

and	alias for where
exclude_where	alias for exclude
interval	Returns max - min, using a single query
range	Returns min..max, using a single query

It is only recommended to use this for backwards compatibility.

You can load this extension into specific datasets:

ds = DB[:table]
ds = ds.extension(:sequel_4_dataset_methods)

Or you can load it into all of a database’s datasets, which is probably the desired behavior if you are using this extension:

DB.extension(:sequel_4_dataset_methods)