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28 lines
872 B
SQL
28 lines
872 B
SQL
-- Tags: no-parallel, no-shared-merge-tree
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DROP TABLE IF EXISTS t_prewarm_cache;
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CREATE TABLE t_prewarm_cache (a UInt64, b UInt64, c UInt64)
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ENGINE = ReplicatedMergeTree('/clickhouse/tables/{database}/03254_prewarm_mark_cache_smt/t_prewarm_cache', '1')
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ORDER BY a SETTINGS prewarm_mark_cache = 0;
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SYSTEM DROP MARK CACHE;
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INSERT INTO t_prewarm_cache SELECT number, rand(), rand() FROM numbers(20000);
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SELECT count() FROM t_prewarm_cache WHERE NOT ignore(*);
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SYSTEM DROP MARK CACHE;
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SYSTEM PREWARM MARK CACHE t_prewarm_cache;
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SELECT count() FROM t_prewarm_cache WHERE NOT ignore(*);
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SYSTEM FLUSH LOGS;
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SELECT ProfileEvents['LoadedMarksCount'] > 0 FROM system.query_log
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WHERE current_database = currentDatabase() AND type = 'QueryFinish' AND query LIKE 'SELECT count() FROM t_prewarm_cache%'
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ORDER BY event_time_microseconds;
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DROP TABLE IF EXISTS t_prewarm_cache;
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