Added a separate table to record background job status for tournaments and fixed migrations/schemas for solid dbs. Foreign key constraints are now added to the migrations where we do belongs_to.

app/models/mat.rb

@@ -1,6 +1,6 @@
 class Mat < ApplicationRecord
 	belongs_to :tournament
-	has_many :matches
+	has_many :matches, dependent: :destroy
 	has_many :mat_assignment_rules, dependent: :destroy
 
 	validates :name, presence: true