Cost calculations

This commit is contained in:
Aart van Halteren
2022-01-09 17:58:12 +01:00
parent 61f4a0ddc0
commit 83364d13cf
7 changed files with 328 additions and 29 deletions

View File

@@ -0,0 +1,5 @@
class AddCreatedAtIndexToReadings < ActiveRecord::Migration[4.2]
def change
add_index :readings, :created_at
end
end