SHOW server_version \gset
SELECT substring(:'server_version', '\d+')::int > 11 AS server_version_above_eleven
\gset
\if :server_version_above_eleven
\else
\q
\endif

CREATE SCHEMA upgrade_columnar;
SET search_path TO upgrade_columnar, public;

CREATE TYPE compfoo AS (f1 int, f2 text);

CREATE TABLE test_retains_data (a int, b text, c compfoo, d int[]) USING columnar;

INSERT INTO test_retains_data VALUES
    (1, 'abc', (1, '4'), ARRAY[1,2,3,4]),
    (2, 'pi', (3, '192'), ARRAY[3,1,4,1,5]),
    (3, 'earth', (4, '22'), ARRAY[1,2,7,5,6]);

--
-- Verify that after upgrade we can read data for tables whose
-- relfilenode has changed before upgrade.
--

-- truncate
CREATE TABLE test_truncated (a int) USING columnar;
INSERT INTO test_truncated SELECT * FROM generate_series(1, 10);
SELECT count(*) FROM test_truncated;

SELECT relfilenode AS relfilenode_pre_truncate
FROM pg_class WHERE oid = 'test_truncated'::regclass::oid \gset

TRUNCATE test_truncated;

SELECT relfilenode AS relfilenode_post_truncate
FROM pg_class WHERE oid = 'test_truncated'::regclass::oid \gset

SELECT :relfilenode_post_truncate <> :relfilenode_pre_truncate AS relfilenode_changed;

INSERT INTO test_truncated SELECT * FROM generate_series(11, 13);
SELECT count(*) FROM test_truncated;

-- vacuum full
CREATE TABLE test_vacuum_full (a int) USING columnar;
INSERT INTO test_vacuum_full SELECT * FROM generate_series(1, 10);
SELECT count(*) FROM test_vacuum_full;

SELECT relfilenode AS relfilenode_pre_vacuum_full
FROM pg_class WHERE oid = 'test_vacuum_full'::regclass::oid \gset

VACUUM FULL test_vacuum_full;

SELECT relfilenode AS relfilenode_post_vacuum_full
FROM pg_class WHERE oid = 'test_vacuum_full'::regclass::oid \gset

SELECT :relfilenode_post_vacuum_full <> :relfilenode_pre_vacuum_full AS relfilenode_changed;

INSERT INTO test_vacuum_full SELECT * FROM generate_series(11, 13);
SELECT count(*) FROM test_vacuum_full;

-- alter column type
CREATE TABLE test_alter_type (a int) USING columnar;
INSERT INTO test_alter_type SELECT * FROM generate_series(1, 10);
SELECT count(*) FROM test_alter_type;

SELECT relfilenode AS relfilenode_pre_alter
FROM pg_class WHERE oid = 'test_alter_type'::regclass::oid \gset

ALTER TABLE test_alter_type ALTER COLUMN a TYPE text;

SELECT relfilenode AS relfilenode_post_alter
FROM pg_class WHERE oid = 'test_alter_type'::regclass::oid \gset

SELECT :relfilenode_pre_alter <> :relfilenode_post_alter AS relfilenode_changed;

INSERT INTO test_alter_type SELECT * FROM generate_series(11, 13);
SELECT count(*) FROM test_alter_type;

-- materialized view
CREATE MATERIALIZED VIEW matview(a, b) USING columnar AS
SELECT floor(a/3), array_agg(b) FROM test_retains_data GROUP BY 1;

SELECT relfilenode AS relfilenode_pre_refresh
FROM pg_class WHERE oid = 'matview'::regclass::oid \gset

REFRESH MATERIALIZED VIEW matview;

SELECT relfilenode AS relfilenode_post_refresh
FROM pg_class WHERE oid = 'matview'::regclass::oid \gset

SELECT :relfilenode_pre_alter <> :relfilenode_post_alter AS relfilenode_changed;

--
-- Test that we retain options
--

SET columnar.stripe_row_count TO 5000;
SET columnar.chunk_row_count TO 1000;
SET columnar.compression TO 'pglz';

CREATE TABLE test_options_1(a int, b int) USING columnar;
INSERT INTO test_options_1 SELECT i, floor(i/1000) FROM generate_series(1, 10000) i;

CREATE TABLE test_options_2(a int, b int) USING columnar;
INSERT INTO test_options_2 SELECT i, floor(i/1000) FROM generate_series(1, 10000) i;
SELECT alter_columnar_table_set('test_options_2', chunk_row_count => 2000);
SELECT alter_columnar_table_set('test_options_2', stripe_row_count => 6000);
SELECT alter_columnar_table_set('test_options_2', compression => 'none');
SELECT alter_columnar_table_set('test_options_2', compression_level => 13);
INSERT INTO test_options_2 SELECT i, floor(i/2000) FROM generate_series(1, 10000) i;