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Merge pull request #18817 from ucasFL/wf

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replace PODArray with PODArrayWithStackMemory in AggregateFunctionWindowFunnelData
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alexey-milovidov 2021-01-10 00:11:57 +03:00 committed by GitHub
commit fe1c153c6f
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2 changed files with 13 additions and 1 deletions
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2
src/AggregateFunctions/AggregateFunctionWindowFunnel.h
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@ -33,7 +33,7 @@ template <typename T>
struct AggregateFunctionWindowFunnelData struct AggregateFunctionWindowFunnelData
{ {
using TimestampEvent = std::pair<T, UInt8>; using TimestampEvent = std::pair<T, UInt8>;
using TimestampEvents = PODArray<TimestampEvent, 64>; using TimestampEvents = PODArrayWithStackMemory<TimestampEvent, 64>;
using Comparator = ComparePairFirst; using Comparator = ComparePairFirst;
bool sorted = true; bool sorted = true;

12
tests/performance/optimize_window_funnel.xml Normal file
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@ -0,0 +1,12 @@
<test>
<create_query>CREATE TABLE action(uid UInt64, event String, time DateTime) ENGINE = MergeTree ORDER BY uid</create_query>
<fill_query>INSERT INTO action SELECT arrayJoin(groupArray(number)), 'a', now() from numbers(1000000)</fill_query>
<fill_query>INSERT INTO action SELECT arrayJoin(groupArray(number)), 'b', now() + INTERVAL 6 hour from numbers(1000000)</fill_query>
<fill_query>INSERT INTO action SELECT arrayJoin(groupArray(number)), 'c', now() + INTERVAL 12 hour from numbers(1000000)</fill_query>
<fill_query>INSERT INTO action SELECT arrayJoin(groupArray(number)), 'd', now() + INTERVAL 18 hour from numbers(1000000)</fill_query>
<query>SELECT level, count() from (select windowFunnel(86400)(time, event='a', event='b', event='c', event='d') level from action group by uid) group by level FORMAT Null</query>
<drop_query>DROP TABLE IF EXISTS action</drop_query>
</test>