CREATE SCHEMA am_tableoptions; SET search_path TO am_tableoptions; CREATE TABLE table_options (a int) USING cstore_tableam; INSERT INTO table_options SELECT generate_series(1,100); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- test changing the compression SELECT alter_cstore_table_set('table_options', compression => 'pglz'); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- test changing the block_row_count SELECT alter_cstore_table_set('table_options', block_row_count => 10); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- test changing the block_row_count SELECT alter_cstore_table_set('table_options', stripe_row_count => 100); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- 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 cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- set all settings at the same time SELECT alter_cstore_table_set('table_options', stripe_row_count => 1000, block_row_count => 100, compression => 'none'); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- reset settings one by one to the version of the GUC's SET cstore.block_row_count TO 1000; SET cstore.stripe_row_count TO 10000; SET cstore.compression TO 'pglz'; -- verify setting the GUC's didn't change the settings -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; SELECT alter_cstore_table_reset('table_options', block_row_count => true); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; SELECT alter_cstore_table_reset('table_options', stripe_row_count => true); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; SELECT alter_cstore_table_reset('table_options', compression => true); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- verify resetting all settings at once work SET cstore.block_row_count TO 10000; SET cstore.stripe_row_count TO 100000; SET cstore.compression TO 'none'; -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; SELECT alter_cstore_table_reset( 'table_options', block_row_count => true, stripe_row_count => true, compression => true); -- show table_options settings SELECT * FROM cstore.cstore_options WHERE regclass = 'table_options'::regclass; -- verify edge cases -- first start with a table that is not a cstore table CREATE TABLE not_a_cstore_table (a int); SELECT alter_cstore_table_set('not_a_cstore_table', compression => 'pglz'); SELECT alter_cstore_table_reset('not_a_cstore_table', compression => true); -- verify you can't use a compression that is not known SELECT alter_cstore_table_set('table_options', compression => 'foobar'); SET client_min_messages TO warning; DROP SCHEMA am_tableoptions CASCADE;