drop table if exists data_01593; create table data_01593 (key Int) engine=MergeTree() order by key partition by key; insert into data_01593 select * from numbers_mt(10); -- TOO_MANY_PARTS error insert into data_01593 select * from numbers_mt(10) settings max_partitions_per_insert_block=1; -- { serverError 252 } -- settings for INSERT is prefered insert into data_01593 select * from numbers_mt(10) settings max_partitions_per_insert_block=1 settings max_partitions_per_insert_block=100; drop table data_01593;