Description: Add missing identifiers to event metadata tables
Created: 2017-06-08 04:38:05.341636 UTC
Depends: 2016-10-14_02-49-36_event-amendments
Apply: |
  alter table event_metadata_amendments 
  add column id uuid primary key default uuid_generate_v4();

  alter table event_credit_to_amendments 
  add column id uuid primary key default uuid_generate_v4();

  alter table event_time_amendments
  add column id uuid primary key default uuid_generate_v4();