Nikita Taranov 30f2a942c5 Predict size of hash table for GROUP BY (#33439) ... * use AggregationMethod ctor with reserve * add new settings * add HashTablesStatistics * support queries with limit * support distributed and with external aggregation * add new profile events * add some tests * add perf test * export cache stats through AsynchronousMetrics * rm redundant trace * fix style * fix 02122_parallel_formatting test * review fixes * fix 02122_parallel_formatting test * apply also to two-level HTs * try simpler strategy * increase max_size_to_preallocate_for_aggregation for experiment * fixes * Revert "increase max_size_to_preallocate_for_aggregation for experiment" This reverts commit 6cf6f75704. * fix test Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>		2022-03-30 22:47:51 +02:00
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0_stateless	Predict size of hash table for GROUP BY (#33439)	2022-03-30 22:47:51 +02:00
1_stateful	Merge branch 'master' into random-settings	2022-03-21 11:52:21 +00:00
bugs	Addition to prev. revision	2022-03-12 20:16:25 +01:00
shell_config.sh	tests: do not leave any queries after finish	2022-03-09 17:29:33 +03:00