do $$
begin
  update
    {{ index .Options "Namespace" }}.identities as identities
  set
    identity_data = identity_data || jsonb_build_object('email', (select email from {{ index .Options "Namespace" }}.users where id = identities.user_id)),
    updated_at = '2022-11-25'
  where identities.provider = 'email' and identity_data->>'email' is null;
end $$;

alter table only {{ index .Options "Namespace" }}.identities
  add column if not exists email text generated always as (lower(identity_data->>'email')) stored;

comment on column {{ index .Options "Namespace" }}.identities.email is 'Auth: Email is a generated column that references the optional email property in the identity_data';

create index if not exists identities_email_idx on {{ index .Options "Namespace" }}.identities (email text_pattern_ops);

comment on index {{ index .Options "Namespace" }}.identities_email_idx is 'Auth: Ensures indexed queries on the email column';