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40 lines
1.1 KiB
SQL
40 lines
1.1 KiB
SQL
-- Tags: no-parallel
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DROP TABLE IF EXISTS table_for_ttl;
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CREATE TABLE table_for_ttl(
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d DateTime,
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key UInt64,
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value String)
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ENGINE = MergeTree()
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ORDER BY tuple()
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PARTITION BY key;
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INSERT INTO table_for_ttl SELECT now() - INTERVAL 2 YEAR, 1, toString(number) from numbers(1000);
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INSERT INTO table_for_ttl SELECT now() - INTERVAL 2 DAY, 3, toString(number) from numbers(2000, 1000);
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INSERT INTO table_for_ttl SELECT now(), 4, toString(number) from numbers(3000, 1000);
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SELECT count() FROM table_for_ttl;
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ALTER TABLE table_for_ttl MODIFY TTL d + INTERVAL 1 YEAR SETTINGS materialize_ttl_after_modify = 0;
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SELECT count() FROM table_for_ttl;
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OPTIMIZE TABLE table_for_ttl FINAL;
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SELECT count() FROM table_for_ttl;
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ALTER TABLE table_for_ttl MODIFY COLUMN value String TTL d + INTERVAL 1 DAY SETTINGS materialize_ttl_after_modify = 0;
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SELECT count(distinct value) FROM table_for_ttl;
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OPTIMIZE TABLE table_for_ttl FINAL;
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SELECT count(distinct value) FROM table_for_ttl;
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OPTIMIZE TABLE table_for_ttl FINAL; -- Just check in logs, that it doesn't run with force again
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DROP TABLE IF EXISTS table_for_ttl;
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