CREATE SCHEMA am_tableoptions;
SET search_path TO am_tableoptions;
SET columnar.compression TO 'none';
CREATE TABLE table_options (a int) USING columnar;
INSERT INTO table_options SELECT generate_series(1,100);
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |           10000 |           150000 |                 3 | none
(1 row)

-- test changing the compression
SELECT alter_columnar_table_set('table_options', compression => 'pglz');
 alter_columnar_table_set
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |           10000 |           150000 |                 3 | pglz
(1 row)

-- test changing the compression level
SELECT alter_columnar_table_set('table_options', compression_level => 5);
 alter_columnar_table_set
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |           10000 |           150000 |                 5 | pglz
(1 row)

-- test changing the chunk_row_count
SELECT alter_columnar_table_set('table_options', chunk_row_count => 10);
 alter_columnar_table_set
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |              10 |           150000 |                 5 | pglz
(1 row)

-- test changing the chunk_row_count
SELECT alter_columnar_table_set('table_options', stripe_row_count => 100);
 alter_columnar_table_set
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |              10 |              100 |                 5 | pglz
(1 row)

-- VACUUM FULL creates a new table, make sure it copies settings from the table you are vacuuming
VACUUM FULL table_options;
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |              10 |              100 |                 5 | pglz
(1 row)

-- set all settings at the same time
SELECT alter_columnar_table_set('table_options', stripe_row_count => 1000, chunk_row_count => 100, compression => 'none', compression_level => 7);
 alter_columnar_table_set
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |             100 |             1000 |                 7 | none
(1 row)

-- make sure table options are not changed when VACUUM a table
VACUUM table_options;
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |             100 |             1000 |                 7 | none
(1 row)

-- make sure table options are not changed when VACUUM FULL a table
VACUUM FULL table_options;
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |             100 |             1000 |                 7 | none
(1 row)

-- make sure table options are not changed when truncating a table
TRUNCATE table_options;
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |             100 |             1000 |                 7 | none
(1 row)

ALTER TABLE table_options ALTER COLUMN a TYPE bigint;
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |             100 |             1000 |                 7 | none
(1 row)

-- reset settings one by one to the version of the GUC's
SET columnar.chunk_row_count TO 1000;
SET columnar.stripe_row_count TO 10000;
SET columnar.compression TO 'pglz';
SET columnar.compression_level TO 11;
-- verify setting the GUC's didn't change the settings
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |             100 |             1000 |                 7 | none
(1 row)

SELECT alter_columnar_table_reset('table_options', chunk_row_count => true);
 alter_columnar_table_reset
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |            1000 |             1000 |                 7 | none
(1 row)

SELECT alter_columnar_table_reset('table_options', stripe_row_count => true);
 alter_columnar_table_reset
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |            1000 |            10000 |                 7 | none
(1 row)

SELECT alter_columnar_table_reset('table_options', compression => true);
 alter_columnar_table_reset
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |            1000 |            10000 |                 7 | pglz
(1 row)

SELECT alter_columnar_table_reset('table_options', compression_level => true);
 alter_columnar_table_reset
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |            1000 |            10000 |                11 | pglz
(1 row)

-- verify resetting all settings at once work
SET columnar.chunk_row_count TO 10000;
SET columnar.stripe_row_count TO 100000;
SET columnar.compression TO 'none';
SET columnar.compression_level TO 13;
-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |            1000 |            10000 |                11 | pglz
(1 row)

SELECT alter_columnar_table_reset(
    'table_options',
    chunk_row_count => true,
    stripe_row_count => true,
    compression => true,
    compression_level => true);
 alter_columnar_table_reset
---------------------------------------------------------------------

(1 row)

-- show table_options settings
SELECT * FROM columnar.options
WHERE regclass = 'table_options'::regclass;
   regclass    | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
 table_options |           10000 |           100000 |                13 | none
(1 row)

-- verify edge cases
-- first start with a table that is not a columnar table
CREATE TABLE not_a_columnar_table (a int);
SELECT alter_columnar_table_set('not_a_columnar_table', compression => 'pglz');
ERROR:  table not_a_columnar_table is not a columnar table
SELECT alter_columnar_table_reset('not_a_columnar_table', compression => true);
ERROR:  table not_a_columnar_table is not a columnar table
-- verify you can't use a compression that is not known
SELECT alter_columnar_table_set('table_options', compression => 'foobar');
ERROR:  unknown compression type for cstore table: foobar
-- verify cannot set out of range compression levels
SELECT alter_columnar_table_set('table_options', compression_level => 0);
ERROR:  compression level out of range
HINT:  compression level must be between 1 and 19
SELECT alter_columnar_table_set('table_options', compression_level => 20);
ERROR:  compression level out of range
HINT:  compression level must be between 1 and 19
-- verify options are removed when table is dropped
DROP TABLE table_options;
-- we expect no entries in çstore.options for anything not found int pg_class
SELECT * FROM columnar.options o WHERE o.regclass NOT IN (SELECT oid FROM pg_class);
 regclass | chunk_row_count | stripe_row_count | compression_level | compression
---------------------------------------------------------------------
(0 rows)

SET client_min_messages TO warning;
DROP SCHEMA am_tableoptions CASCADE;