mirror of
https://github.com/ClickHouse/ClickHouse.git
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22 lines
1.0 KiB
MySQL
22 lines
1.0 KiB
MySQL
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CREATE DATABASE IF NOT EXISTS db_dict;
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DROP DICTIONARY IF EXISTS db_dict.cache_hits;
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CREATE DICTIONARY db_dict.cache_hits
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(WatchID UInt64, UserID UInt64, SearchPhrase String)
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PRIMARY KEY WatchID
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'hits' PASSWORD '' DB 'test'))
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LIFETIME(MIN 300 MAX 600)
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LAYOUT(CACHE(SIZE_IN_CELLS 100000 QUERY_WAIT_TIMEOUT_MILLISECONDS 600000));
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SELECT sum(flag) FROM (SELECT dictHas('db_dict.cache_hits', toUInt64(WatchID)) as flag FROM test.hits PREWHERE WatchID % 1400 == 0);
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SELECT count() from test.hits PREWHERE WatchID % 1400 == 0;
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SELECT sum(flag) FROM (SELECT dictHas('db_dict.cache_hits', toUInt64(WatchID)) as flag FROM test.hits PREWHERE WatchID % 350 == 0);
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SELECT count() from test.hits PREWHERE WatchID % 350 == 0;
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SELECT sum(flag) FROM (SELECT dictHas('db_dict.cache_hits', toUInt64(WatchID)) as flag FROM test.hits PREWHERE WatchID % 5 == 0);
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SELECT count() from test.hits PREWHERE WatchID % 5 == 0;
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DROP DICTIONARY IF EXISTS db_dict.cache_hits;
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DROP DATABASE IF EXISTS db_dict;
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