text: -- Copyright 2020 Google LLC
  --
  -- Licensed under the Apache License, Version 2.0 (the "License");
  -- you may not use this file except in compliance with the License.
  -- You may obtain a copy of the License at
  --
  --      http://www.apache.org/licenses/LICENSE-2.0
  --
  -- Unless required by applicable law or agreed to in writing, software
  -- distributed under the License is distributed on an "AS IS" BASIS,
  -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -- See the License for the specific language governing permissions and
  -- limitations under the License.
  
  BEGIN;
  
  ALTER TABLE federationinquery
      ADD COLUMN only_local_provenance BOOL DEFAULT TRUE,
      ADD COLUMN only_travelers BOOL DEFAULT FALSE,
      ADD COLUMN last_revised_timestamp TIMESTAMPTZ,
      ADD COLUMN primary_cursor VARCHAR(100),
      ADD COLUMN revised_cursor VARCHAR(100);
  
  ALTER TABLE federationinquery
      ALTER COLUMN only_local_provenance SET NOT NULL,
      ALTER COLUMN only_travelers SET NOT NULL;    
  
  ALTER TABLE exposure
      ADD COLUMN sync_query_id VARCHAR(50);
  
  ALTER TABLE federationinsync
      ADD COLUMN max_revised_timestamp TIMESTAMPTZ;
  
  END;
  