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9 lines
369 B
SQL
9 lines
369 B
SQL
drop table if exists test.lc;
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CREATE TABLE test.lc (`date` Date, `name` LowCardinality(Nullable(String)), `clicks` Nullable(Int32)) ENGINE = MergeTree() ORDER BY date SETTINGS index_granularity = 8192;
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INSERT INTO test.lc SELECT '2019-01-01', null, 0 FROM numbers(1000000);
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SELECT date, argMax(name, clicks) FROM test.lc GROUP BY date;
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drop table if exists test.lc;
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