pg_ivm/pg_ivm--1.9--1.10.sql
2025-03-11 18:49:53 +00:00

39 lines
1.4 KiB
SQL

DO $$
DECLARE
shared_pl text;
session_pl text;
BEGIN
SELECT setting INTO shared_pl FROM pg_catalog.pg_settings
WHERE name = 'shared_preload_libraries';
SELECT setting INTO session_pl FROM pg_catalog.pg_settings
WHERE name = 'session_preload_libraries';
IF shared_pl !~ '\mpg_ivm\M' AND session_pl !~ '\mpg_ivm\M' THEN
RAISE EXCEPTION 'pg_ivm is not loaded in shared_preload_libraries '
'or session_preload_libraries'
USING HINT = 'Add pg_ivm to session_preload_libraries and '
'restart the session. Or, add pg_ivm to '
'shared_preload_libraries and restart Postgres.';
END IF;
END
$$;
-- create a new schema pgivm and change the objects' schema to it
CREATE SCHEMA pgivm;
ALTER TABLE pg_ivm_immv SET SCHEMA pgivm;
ALTER FUNCTION create_immv(text, text) SET SCHEMA pgivm;
ALTER FUNCTION refresh_immv(text, bool) SET SCHEMA pgivm;
ALTER FUNCTION get_immv_def(regclass) SET SCHEMA pgivm;
ALTER FUNCTION ivm_visible_in_prestate(oid, tid, oid) SET SCHEMA pgivm;
ALTER FUNCTION "IVM_immediate_before"() SET SCHEMA pgivm;
ALTER FUNCTION "IVM_immediate_maintenance"() SET SCHEMA pgivm;
ALTER FUNCTION "IVM_prevent_immv_change"() SET SCHEMA pgivm;
GRANT USAGE ON SCHEMA pgivm TO PUBLIC;
ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN lastivmupdate xid8;
-- drop a garbage
DROP SCHEMA __pg_ivm__;