ClickHouse/tests/queries/0_stateless/01409_topK_merge.sql

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drop table if exists data_01409;
create table data_01409 engine=Memory as select * from numbers(20);
-- easier to check merging via distributed tables
-- but can be done vai topKMerge(topKState()) as well
select 'AggregateFunctionTopK';
select length(topK(20)(number)) from remote('127.{1,1}', currentDatabase(), data_01409);
select length(topKWeighted(20)(number, 1)) from remote('127.{1,1}', currentDatabase(), data_01409);
select 'AggregateFunctionTopKGenericData';
select length(topK(20)((number, ''))) from remote('127.{1,1}', currentDatabase(), data_01409);
select length(topKWeighted(20)((number, ''), 1)) from remote('127.{1,1}', currentDatabase(), data_01409);
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drop table data_01409;