ALTER TABLE sys_admin.published_services ADD key_column varchar;

UPDATE sys_admin.published_services SET key_column = 'isrs_code'
    WHERE schema = 'waterway' AND name = 'gauges_geoserver';
UPDATE sys_admin.published_services SET key_column = 'id'
    WHERE schema = 'waterway'
        AND name IN(
            'sections_geoserver',
            'stretches_geoserver',
            'distance_marks_ashore_geoserver',
            'bottlenecks_geoserver');
UPDATE sys_admin.published_services SET key_column = 'location'
    WHERE schema = 'waterway' AND name = 'distance_marks_geoserver';

DROP TABLE waterway.gt_pk_metadata