Elliot Winkler 4e2448d775 Teach have_db_index about expression indexes ... In Rails 5, the schema layer was updated so that indexes could be created on expressions rather that simply columns. Update `have_db_index` so that you can test for this. More reading: <edc2b77187>		2019-05-31 00:12:10 -06:00
..
shoulda/matchers	Teach have_db_index about expression indexes	2019-05-31 00:12:10 -06:00