--
-- Testing we materialized views properly
--
SET columnar.compression TO 'none';
CREATE TABLE t(a int, b int) USING columnar;
INSERT INTO t SELECT floor(i / 4), 2 * i FROM generate_series(1, 10) i;
CREATE MATERIALIZED VIEW t_view(a, bsum, cnt) USING columnar AS
   SELECT a, sum(b), count(*) FROM t GROUP BY a;
SELECT * FROM t_view a ORDER BY a;
 a | bsum | cnt
---------------------------------------------------------------------
 0 |   12 |   3
 1 |   44 |   4
 2 |   54 |   3
(3 rows)

INSERT INTO t SELECT floor(i / 4), 2 * i FROM generate_series(11, 20) i;
SELECT * FROM t_view a ORDER BY a;
 a | bsum | cnt
---------------------------------------------------------------------
 0 |   12 |   3
 1 |   44 |   4
 2 |   54 |   3
(3 rows)

-- show columnar options for materialized view
SELECT * FROM columnar.options
WHERE regclass = 't_view'::regclass;
 regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
---------------------------------------------------------------------
 t_view   |           10000 |           150000 |                 3 | none
(1 row)

-- show we can set options on a materialized view
SELECT alter_columnar_table_set('t_view', compression => 'pglz');
 alter_columnar_table_set
---------------------------------------------------------------------

(1 row)

SELECT * FROM columnar.options
WHERE regclass = 't_view'::regclass;
 regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
---------------------------------------------------------------------
 t_view   |           10000 |           150000 |                 3 | pglz
(1 row)

REFRESH MATERIALIZED VIEW t_view;
-- verify options have not been changed
SELECT * FROM columnar.options
WHERE regclass = 't_view'::regclass;
 regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
---------------------------------------------------------------------
 t_view   |           10000 |           150000 |                 3 | pglz
(1 row)

SELECT * FROM t_view a ORDER BY a;
 a | bsum | cnt
---------------------------------------------------------------------
 0 |   12 |   3
 1 |   44 |   4
 2 |   76 |   4
 3 |  108 |   4
 4 |  140 |   4
 5 |   40 |   1
(6 rows)

-- verify that we have created metadata entries for the materialized view
SELECT columnar_relation_storageid(oid) AS storageid
FROM pg_class WHERE relname='t_view' \gset
SELECT count(*) FROM columnar.stripe WHERE storageid=:storageid;
 count
---------------------------------------------------------------------
     1
(1 row)

SELECT count(*) FROM columnar.chunk WHERE storageid=:storageid;
 count
---------------------------------------------------------------------
     3
(1 row)

DROP TABLE t CASCADE;
NOTICE:  drop cascades to materialized view t_view
-- dropping must remove metadata
SELECT count(*) FROM columnar.stripe WHERE storageid=:storageid;
 count
---------------------------------------------------------------------
     0
(1 row)

SELECT count(*) FROM columnar.chunk WHERE storageid=:storageid;
 count
---------------------------------------------------------------------
     0
(1 row)