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9a5365fc41
Add an ability to reset custom setting to default and remove it from table's metadata. This will allow to rollback the change without knowing the system/config's default. Signed-off-by: Aleksei Semiglazov <asemiglazov@cloudflare.com>
102 lines
3.1 KiB
SQL
102 lines
3.1 KiB
SQL
DROP TABLE IF EXISTS log_for_alter;
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CREATE TABLE log_for_alter (
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id UInt64,
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Data String
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) ENGINE = Log();
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ALTER TABLE log_for_alter MODIFY SETTING aaa=123; -- { serverError 36 }
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DROP TABLE IF EXISTS log_for_alter;
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DROP TABLE IF EXISTS table_for_alter;
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CREATE TABLE table_for_alter (
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id UInt64,
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Data String
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) ENGINE = MergeTree() ORDER BY id SETTINGS index_granularity=4096;
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ALTER TABLE table_for_alter MODIFY SETTING index_granularity=555; -- { serverError 472 }
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SHOW CREATE TABLE table_for_alter;
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ALTER TABLE table_for_alter MODIFY SETTING parts_to_throw_insert = 1, parts_to_delay_insert = 1;
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SHOW CREATE TABLE table_for_alter;
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INSERT INTO table_for_alter VALUES (1, '1');
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INSERT INTO table_for_alter VALUES (2, '2'); -- { serverError 252 }
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DETACH TABLE table_for_alter;
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ATTACH TABLE table_for_alter;
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INSERT INTO table_for_alter VALUES (2, '2'); -- { serverError 252 }
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ALTER TABLE table_for_alter MODIFY SETTING xxx_yyy=124; -- { serverError 115 }
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ALTER TABLE table_for_alter MODIFY SETTING parts_to_throw_insert = 100, parts_to_delay_insert = 100;
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INSERT INTO table_for_alter VALUES (2, '2');
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SHOW CREATE TABLE table_for_alter;
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SELECT COUNT() FROM table_for_alter;
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ALTER TABLE table_for_alter MODIFY SETTING check_delay_period=10, check_delay_period=20, check_delay_period=30;
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SHOW CREATE TABLE table_for_alter;
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ALTER TABLE table_for_alter ADD COLUMN Data2 UInt64, MODIFY SETTING check_delay_period=5, check_delay_period=10, check_delay_period=15;
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SHOW CREATE TABLE table_for_alter;
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DROP TABLE IF EXISTS table_for_alter;
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DROP TABLE IF EXISTS table_for_reset_setting;
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CREATE TABLE table_for_reset_setting (
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id UInt64,
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Data String
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) ENGINE = MergeTree() ORDER BY id SETTINGS index_granularity=4096;
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ALTER TABLE table_for_reset_setting MODIFY SETTING index_granularity=555; -- { serverError 472 }
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SHOW CREATE TABLE table_for_reset_setting;
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INSERT INTO table_for_reset_setting VALUES (1, '1');
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INSERT INTO table_for_reset_setting VALUES (2, '2');
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ALTER TABLE table_for_reset_setting MODIFY SETTING parts_to_throw_insert = 1, parts_to_delay_insert = 1;
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SHOW CREATE TABLE table_for_reset_setting;
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INSERT INTO table_for_reset_setting VALUES (1, '1'); -- { serverError 252 }
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ALTER TABLE table_for_reset_setting RESET SETTING parts_to_delay_insert, parts_to_throw_insert;
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SHOW CREATE TABLE table_for_reset_setting;
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INSERT INTO table_for_reset_setting VALUES (1, '1');
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INSERT INTO table_for_reset_setting VALUES (2, '2');
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DETACH TABLE table_for_reset_setting;
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ATTACH TABLE table_for_reset_setting;
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SHOW CREATE TABLE table_for_reset_setting;
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ALTER TABLE table_for_reset_setting RESET SETTING index_granularity; -- { serverError 472 }
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-- ignore undefined setting
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ALTER TABLE table_for_reset_setting RESET SETTING merge_with_ttl_timeout, unknown_setting;
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ALTER TABLE table_for_reset_setting MODIFY SETTING merge_with_ttl_timeout = 300, max_concurrent_queries = 1;
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SHOW CREATE TABLE table_for_reset_setting;
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ALTER TABLE table_for_reset_setting RESET SETTING max_concurrent_queries, merge_with_ttl_timeout;
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SHOW CREATE TABLE table_for_reset_setting;
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DROP TABLE IF EXISTS table_for_reset_setting; |