mirror of
https://github.com/ClickHouse/ClickHouse.git
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93 lines
2.6 KiB
SQL
93 lines
2.6 KiB
SQL
DROP TABLE IF EXISTS r_prop_table1;
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DROP TABLE IF EXISTS r_prop_table2;
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SET replication_alter_partitions_sync = 2;
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CREATE TABLE r_prop_table1
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(
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column_default UInt64 DEFAULT 42,
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column_codec String CODEC(ZSTD(10)),
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column_comment Date COMMENT 'Some comment',
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column_ttl UInt64 TTL column_comment + INTERVAL 1 MONTH
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)
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ENGINE ReplicatedMergeTree('/clickhouse/test_01493/r_prop_table', '1')
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ORDER BY tuple()
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TTL column_comment + INTERVAL 2 MONTH;
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CREATE TABLE r_prop_table2
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(
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column_default UInt64 DEFAULT 42,
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column_codec String CODEC(ZSTD(10)),
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column_comment Date COMMENT 'Some comment',
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column_ttl UInt64 TTL column_comment + INTERVAL 1 MONTH
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)
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ENGINE ReplicatedMergeTree('/clickhouse/test_01493/r_prop_table', '2')
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ORDER BY tuple()
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TTL column_comment + INTERVAL 2 MONTH;
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SHOW CREATE TABLE r_prop_table1;
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SHOW CREATE TABLE r_prop_table2;
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INSERT INTO r_prop_table1 (column_codec, column_comment, column_ttl) VALUES ('str', toDate('2020-10-01'), 1);
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SYSTEM SYNC REPLICA r_prop_table2;
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SELECT '====== remove column comment ======';
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ALTER TABLE r_prop_table1 MODIFY COLUMN column_comment REMOVE COMMENT;
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SHOW CREATE TABLE r_prop_table1;
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SHOW CREATE TABLE r_prop_table2;
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DETACH TABLE r_prop_table1;
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ATTACH TABLE r_prop_table1;
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SELECT '====== remove column codec ======';
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ALTER TABLE r_prop_table2 MODIFY COLUMN column_codec REMOVE CODEC;
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SHOW CREATE TABLE r_prop_table1;
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SHOW CREATE TABLE r_prop_table2;
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SELECT '====== remove column default ======';
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ALTER TABLE r_prop_table2 MODIFY COLUMN column_default REMOVE DEFAULT;
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INSERT INTO r_prop_table1 (column_codec, column_comment, column_ttl) VALUES ('tsr', now(), 2);
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SYSTEM SYNC REPLICA r_prop_table2;
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SELECT column_default, column_codec, column_ttl FROM r_prop_table1 ORDER BY column_ttl;
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DETACH TABLE r_prop_table2;
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ATTACH TABLE r_prop_table2;
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SHOW CREATE TABLE r_prop_table1;
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SHOW CREATE TABLE r_prop_table2;
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SELECT '====== remove column TTL ======';
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ALTER TABLE r_prop_table2 MODIFY COLUMN column_ttl REMOVE TTL;
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SHOW CREATE TABLE r_prop_table1;
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SHOW CREATE TABLE r_prop_table2;
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SELECT '====== remove table TTL ======';
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ALTER TABLE r_prop_table1 REMOVE TTL;
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INSERT INTO r_prop_table1 (column_codec, column_comment, column_ttl) VALUES ('rts', now() - INTERVAL 1 YEAR, 3);
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SYSTEM SYNC REPLICA r_prop_table2;
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DETACH TABLE r_prop_table2;
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ATTACH TABLE r_prop_table2;
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SHOW CREATE TABLE r_prop_table1;
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SHOW CREATE TABLE r_prop_table2;
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OPTIMIZE TABLE r_prop_table2 FINAL;
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SYSTEM SYNC REPLICA r_prop_table1;
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SELECT COUNT() FROM r_prop_table1;
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SELECT COUNT() FROM r_prop_table2;
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DROP TABLE IF EXISTS r_prop_table1;
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DROP TABLE IF EXISTS r_prop_table2;
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