db.migration.V42__drop_contribution_history.sql Maven / Gradle / Ivy
/*
* Copyright (c) 2021 Vitasystems GmbH and Jake Smolka (Hannover Medical School).
*
* This file is part of project EHRbase
*
* 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.
*
*/
-- removes the contribution_history table and linked triggers etc.
DROP TRIGGER versioning_trigger ON ehr.contribution;
DROP INDEX ehr_contribution_history;
DROP TABLE ehr.contribution_history;
ALTER TABLE ehr.contribution
DROP COLUMN sys_transaction,
DROP COLUMN sys_period;
-- following function needs to replaced by modified version without `contribution_history` reference too
-- ====================================================================
-- Description: Function to delete a single EHR's history, meaning the Status' history.
-- Necessary as own function, because the former transaction needs to be done to populate the *_history table.
-- Parameters:
-- @ehr_id_input - UUID of target EHR
-- Returns: '1'
-- =====================================================================
CREATE OR REPLACE FUNCTION ehr.admin_delete_ehr_history(ehr_id_input UUID)
RETURNS TABLE (num integer) AS $$
BEGIN
RETURN QUERY WITH
-- delete status_history
delete_status_history AS (
DELETE FROM ehr.status_history WHERE ehr_id = ehr_id_input
)
SELECT 1;
-- logging:
RAISE NOTICE 'Admin deletion - Type: % - Linked to EHR ID: % - Time: %', 'STATUS_HISTORY', ehr_id_input, now();
END;
$$ LANGUAGE plpgsql
RETURNS NULL ON NULL INPUT;