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CREATE OR REPLACE FUNCTION pgl_ddl_deploy.rep_set_wrapper()
RETURNS TABLE (id OID, name NAME, driver pgl_ddl_deploy.driver)
LANGUAGE plpgsql
SECURITY DEFINER
AS $function$
/*****
This handles the rename of pglogical.replication_set_relation to pglogical.replication_set_table from version 1 to 2
*/
BEGIN
IF current_setting('server_version_num')::INT < 100000 THEN
IF EXISTS (SELECT 1 FROM pg_tables WHERE schemaname = 'pglogical') THEN
RETURN QUERY
SELECT set_id AS id, set_name AS name, 'pglogical'::pgl_ddl_deploy.driver AS driver
FROM pglogical.replication_set rs;
ELSE
RAISE EXCEPTION 'pglogical required for version prior to Postgres 10';
END IF;
ELSE
IF NOT EXISTS (SELECT 1 FROM pg_extension WHERE extname = 'pglogical') THEN
RETURN QUERY
SELECT p.oid AS id, pubname AS name, 'native'::pgl_ddl_deploy.driver AS driver
FROM pg_publication p;
ELSEIF EXISTS (SELECT 1 FROM pg_tables WHERE schemaname = 'pglogical') THEN
RETURN QUERY
SELECT set_id AS id, set_name AS name, 'pglogical'::pgl_ddl_deploy.driver AS driver
FROM pglogical.replication_set rs
UNION ALL
SELECT p.oid AS id, pubname AS name, 'native'::pgl_ddl_deploy.driver AS driver
FROM pg_publication p;
ELSE
RAISE EXCEPTION 'Unexpected exception';
END IF;
END IF;
END;
$function$
;
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