Add missing database indexes

Author: gnclmorais

db/migrate/20251120090000_add_missing_indexes.rb

@@ -0,0 +1,10 @@
+class AddMissingIndexes < ActiveRecord::Migration[6.0]
+  def change
+    add_index :invitations, :event_id unless index_exists?(:invitations, :event_id)
+    add_index :invitations, :member_id unless index_exists?(:invitations, :member_id)
+    add_index :workshop_invitations, :workshop_id unless index_exists?(:workshop_invitations, :workshop_id)
+    add_index :workshop_invitations, :member_id unless index_exists?(:workshop_invitations, :member_id)
+    add_index :events, :date_and_time unless index_exists?(:events, :date_and_time)
+    add_index :workshops, :date_and_time unless index_exists?(:workshops, :date_and_time)
+  end
+end