CREATE EXTENSION pg_visibility;
--
-- check that using the module's functions with unsupported relations will fail
--
-- partitioned tables (the parent ones) don't have visibility maps
create table test_partitioned (a int) partition by list (a);
-- these should all fail
select pg_visibility('test_partitioned', 0);
ERROR:  "test_partitioned" is not a table, materialized view, or TOAST table
select pg_visibility_map('test_partitioned');
ERROR:  "test_partitioned" is not a table, materialized view, or TOAST table
select pg_visibility_map_summary('test_partitioned');
ERROR:  "test_partitioned" is not a table, materialized view, or TOAST table
select pg_check_frozen('test_partitioned');
ERROR:  "test_partitioned" is not a table, materialized view, or TOAST table
select pg_truncate_visibility_map('test_partitioned');
ERROR:  "test_partitioned" is not a table, materialized view, or TOAST table
create table test_partition partition of test_partitioned for values in (1);
create index test_index on test_partition (a);
-- indexes do not, so these all fail
select pg_visibility('test_index', 0);
ERROR:  "test_index" is not a table, materialized view, or TOAST table
select pg_visibility_map('test_index');
ERROR:  "test_index" is not a table, materialized view, or TOAST table
select pg_visibility_map_summary('test_index');
ERROR:  "test_index" is not a table, materialized view, or TOAST table
select pg_check_frozen('test_index');
ERROR:  "test_index" is not a table, materialized view, or TOAST table
select pg_truncate_visibility_map('test_index');
ERROR:  "test_index" is not a table, materialized view, or TOAST table
create view test_view as select 1;
-- views do not have VMs, so these all fail
select pg_visibility('test_view', 0);
ERROR:  "test_view" is not a table, materialized view, or TOAST table
select pg_visibility_map('test_view');
ERROR:  "test_view" is not a table, materialized view, or TOAST table
select pg_visibility_map_summary('test_view');
ERROR:  "test_view" is not a table, materialized view, or TOAST table
select pg_check_frozen('test_view');
ERROR:  "test_view" is not a table, materialized view, or TOAST table
select pg_truncate_visibility_map('test_view');
ERROR:  "test_view" is not a table, materialized view, or TOAST table
create sequence test_sequence;
-- sequences do not have VMs, so these all fail
select pg_visibility('test_sequence', 0);
ERROR:  "test_sequence" is not a table, materialized view, or TOAST table
select pg_visibility_map('test_sequence');
ERROR:  "test_sequence" is not a table, materialized view, or TOAST table
select pg_visibility_map_summary('test_sequence');
ERROR:  "test_sequence" is not a table, materialized view, or TOAST table
select pg_check_frozen('test_sequence');
ERROR:  "test_sequence" is not a table, materialized view, or TOAST table
select pg_truncate_visibility_map('test_sequence');
ERROR:  "test_sequence" is not a table, materialized view, or TOAST table
create foreign data wrapper dummy;
create server dummy_server foreign data wrapper dummy;
create foreign table test_foreign_table () server dummy_server;
-- foreign tables do not have VMs, so these all fail
select pg_visibility('test_foreign_table', 0);
ERROR:  "test_foreign_table" is not a table, materialized view, or TOAST table
select pg_visibility_map('test_foreign_table');
ERROR:  "test_foreign_table" is not a table, materialized view, or TOAST table
select pg_visibility_map_summary('test_foreign_table');
ERROR:  "test_foreign_table" is not a table, materialized view, or TOAST table
select pg_check_frozen('test_foreign_table');
ERROR:  "test_foreign_table" is not a table, materialized view, or TOAST table
select pg_truncate_visibility_map('test_foreign_table');
ERROR:  "test_foreign_table" is not a table, materialized view, or TOAST table
-- check some of the allowed relkinds
create table regular_table (a int);
insert into regular_table values (1), (2);
vacuum regular_table;
select count(*) > 0 from pg_visibility('regular_table');
 ?column? 
----------
 t
(1 row)

truncate regular_table;
select count(*) > 0 from pg_visibility('regular_table');
 ?column? 
----------
 f
(1 row)

create materialized view matview_visibility_test as select * from regular_table;
vacuum matview_visibility_test;
select count(*) > 0 from pg_visibility('matview_visibility_test');
 ?column? 
----------
 f
(1 row)

insert into regular_table values (1), (2);
refresh materialized view matview_visibility_test;
select count(*) > 0 from pg_visibility('matview_visibility_test');
 ?column? 
----------
 t
(1 row)

-- regular tables which are part of a partition *do* have visibility maps
insert into test_partition values (1);
vacuum test_partition;
select count(*) > 0 from pg_visibility('test_partition', 0);
 ?column? 
----------
 t
(1 row)

select count(*) > 0 from pg_visibility_map('test_partition');
 ?column? 
----------
 t
(1 row)

select count(*) > 0 from pg_visibility_map_summary('test_partition');
 ?column? 
----------
 t
(1 row)

select * from pg_check_frozen('test_partition'); -- hopefully none
 t_ctid 
--------
(0 rows)

select pg_truncate_visibility_map('test_partition');
 pg_truncate_visibility_map 
----------------------------
 
(1 row)

-- cleanup
drop table test_partitioned;
drop view test_view;
drop sequence test_sequence;
drop foreign table test_foreign_table;
drop server dummy_server;
drop foreign data wrapper dummy;
drop materialized view matview_visibility_test;
drop table regular_table;