Create ctgov schema and make it the first in ctti search path
user
```ruby
class CreateCtgovSchema < ActiveRecord::Migration

  def up
    execute <<-SQL
      create schema if not exists ctgov;
      alter role ctti set search_path to ctgov, public;
      grant create on schema ctgov to ctti;
      grant usage on schema ctgov to public;
      grant select on all tables in schema ctgov to public;
    SQL
  end

  def down
    execute <<-SQL
      drop schema if exists ctgov cascade;
    SQL
  end

end
```
assistant