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16 lines
781 B
SQL
16 lines
781 B
SQL
-- Tags: no-parallel
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-- no-parallel: it checks the number of threads, which can be lowered in presence of other queries
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drop table if exists table_01356_view_threads;
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create view table_01356_view_threads as select number % 10 as g, sum(number) as s from numbers_mt(1000000) group by g;
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set log_queries = 1;
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set max_threads = 16;
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select g % 2 as gg, sum(s) from table_01356_view_threads group by gg order by gg;
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system flush logs;
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select length(thread_ids) >= 16 from system.query_log where current_database = currentDatabase() AND event_date >= today() - 1 and lower(query) like '%select g % 2 as gg, sum(s) from table_01356_view_threads group by gg order by gg%' and type = 'QueryFinish' order by query_start_time desc limit 1;
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drop table if exists table_01356_view_threads;
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