-- SQL tests to validate that the session_preload_libraries warning is emitted
-- whenever pg_ivm is not in session_preload_libraries.
DROP EXTENSION IF EXISTS pg_ivm CASCADE;
NOTICE:  drop cascades to 12 other objects
DETAIL:  drop cascades to trigger IVM_trigger_ins_before_17637 on table t
drop cascades to trigger IVM_trigger_del_before_17638 on table t
drop cascades to trigger IVM_trigger_upd_before_17639 on table t
drop cascades to trigger IVM_trigger_truncate_before_17640 on table t
drop cascades to trigger IVM_trigger_ins_after_17641 on table t
drop cascades to trigger IVM_trigger_del_after_17642 on table t
drop cascades to trigger IVM_trigger_upd_after_17643 on table t
drop cascades to trigger IVM_trigger_truncate_after_17644 on table t
drop cascades to trigger IVM_prevent_immv_change_17621 on table mv
drop cascades to trigger IVM_prevent_immv_change_17622 on table mv
drop cascades to trigger IVM_prevent_immv_change_17623 on table mv
drop cascades to trigger IVM_prevent_immv_change_17624 on table mv
-- Validate that pg_ivm 1.10 cannot be created if pg_ivm is not in
-- session_preload_libraries.
ALTER SYSTEM RESET session_preload_libraries;
SELECT pg_reload_conf();
 pg_reload_conf 
----------------
 t
(1 row)

\c -
CREATE EXTENSION pg_ivm VERSION '1.9';  -- expect success
ALTER EXTENSION pg_ivm UPDATE;          -- expect failure
ERROR:  pg_ivm is not loaded in shared_preload_libraries or session_preload_libraries
HINT:  Add pg_ivm to session_preload_libraries and restart the session. Or, add pg_ivm to shared_preload_libraries and restart Postgres.
CONTEXT:  PL/pgSQL function inline_code_block line 13 at RAISE
DROP EXTENSION pg_ivm;
CREATE EXTENSION pg_ivm;                -- expect failure
ERROR:  pg_ivm is not loaded in shared_preload_libraries or session_preload_libraries
HINT:  Add pg_ivm to session_preload_libraries and restart the session. Or, add pg_ivm to shared_preload_libraries and restart Postgres.
CONTEXT:  PL/pgSQL function inline_code_block line 13 at RAISE
-- Validate that pg_ivm 1.10 can be created if pg_ivm is in
-- session_preload_libraries.
ALTER SYSTEM SET session_preload_libraries = pg_ivm;
SELECT pg_reload_conf();
 pg_reload_conf 
----------------
 t
(1 row)

\c -
CREATE EXTENSION pg_ivm VERSION '1.9';  -- expect success
ALTER EXTENSION pg_ivm UPDATE;          -- expect success
DROP EXTENSION pg_ivm;
CREATE EXTENSION pg_ivm;                -- expect success
-- Verify that the warning is emitted when each SQL function is called.
ALTER SYSTEM RESET session_preload_libraries;
SELECT pg_reload_conf();
 pg_reload_conf 
----------------
 t
(1 row)

\c -
CREATE TABLE mytab (i int primary key, a text);
SELECT pgivm.create_immv('myview', 'SELECT i, reverse(a) FROM mytab');
WARNING:  pg_ivm is not loaded in shared_preload_libraries or session_preload_libraries
HINT:  Add pg_ivm to session_preload_libraries and restart the session. Or, add pg_ivm to shared_preload_libraries and restart Postgres.
NOTICE:  created index "myview_index" on immv "myview"
 create_immv 
-------------
           0
(1 row)

SELECT pgivm.refresh_immv('myview', true);
WARNING:  pg_ivm is not loaded in shared_preload_libraries or session_preload_libraries
HINT:  Add pg_ivm to session_preload_libraries and restart the session. Or, add pg_ivm to shared_preload_libraries and restart Postgres.
 refresh_immv 
--------------
            0
(1 row)

SELECT pgivm.get_immv_def('myview');
WARNING:  pg_ivm is not loaded in shared_preload_libraries or session_preload_libraries
HINT:  Add pg_ivm to session_preload_libraries and restart the session. Or, add pg_ivm to shared_preload_libraries and restart Postgres.
       get_immv_def        
---------------------------
  SELECT i,               +
     reverse(a) AS reverse+
    FROM mytab
(1 row)

-- Verify that the warning is emitted by the maintenance triggers.
INSERT INTO mytab VALUES (1, 'asdf');
WARNING:  pg_ivm is not loaded in shared_preload_libraries or session_preload_libraries
HINT:  Add pg_ivm to session_preload_libraries and restart the session. Or, add pg_ivm to shared_preload_libraries and restart Postgres.
-- Verify that the warning is not emitted after pg_ivm is added to
-- session_preload_libraries.
ALTER SYSTEM SET session_preload_libraries = pg_ivm;
SELECT pg_reload_conf();
 pg_reload_conf 
----------------
 t
(1 row)

\c -
SELECT pgivm.create_immv('myview2', 'SELECT i, reverse(a) FROM mytab');
NOTICE:  created index "myview2_index" on immv "myview2"
 create_immv 
-------------
           1
(1 row)

SELECT pgivm.refresh_immv('myview2', true);
 refresh_immv 
--------------
            1
(1 row)

SELECT pgivm.get_immv_def('myview2');
       get_immv_def        
---------------------------
  SELECT i,               +
     reverse(a) AS reverse+
    FROM mytab
(1 row)

INSERT INTO mytab VALUES (2, 'qwer');